Difference between revisions of "Baby Rosen, Rosen Four and Adler Four"

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{{127 Japan}}
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{{Japanese Baby and Four
The '''Baby Rosen''' and '''Rosen Four''' are Japanese folding cameras using [[127 film]], made around 1935&ndash;6 by the company [[Proud]]<REF> The attribution to Proud is confirmed by an advertisement published in the December 1936 issue of ''Asahi Camera'', reproduced in {{Kokusan}}, p.&nbsp;104. </REF>. The Baby Rosen is a 3&times;4 camera, copied from the [[Goldi]], a German 3&times;4 camera made by the company [[Zeh]]. The Rosen Four is a 4&times;4 camera evolved from the Baby Rosen.
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|image=[http://www.flickr.com/photos/camerawiki/33952945858/in/pool-camerawiki/ https://live.staticflickr.com/65535/33952945858_e1b8c7a5aa_m_d.jpg]<br />''Rosen Four in a Rosen leaflet. {{public domain Japan old}}''
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}}
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The '''Baby Rosen''' and '''Rosen Four''' are Japanese [[folding camera]]s using [[127 film]], made from 1935 by the company [[Proud]].<REF> The attribution to Proud is confirmed by an advertisement in {{ACA}} December 1936, reproduced in {{Kokusan}}, p.104. </REF> The Baby Rosen is a 3×4cm camera, copied from the [[Goldi]], a German 3×4 camera made by the company [[Zeh]]. The Rosen Four is a derivative taking 4×4cm exposures. The '''Adler Four''' (or "Adler IIII" or "Adler IV") is a name variant of the Rosen Four, sold by [[Asahi Bussan|Asahi Kōgaku Kōgyō]].
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''For Adler cameras, see also the [[Semi Adler and Adler III]] (4.5×6cm), [[Adler A]] (4.5×6cm), [[Adler B]] (4.5×6cm), [[Adler C]] (4.5×6cm), [[Adler Six]] (6×6cm) and [[Vest Alex and Vest Olympic|Vest Adler]] (4×6.5cm).''
  
 
== General description ==
 
== General description ==
The Baby Rosen and the Rosen Four are vertical folders, combining a folding bed with a metal plate mounted on scissor struts, supporting the lens and shutter, that slides forward when the bed is opened. Both cameras have a folding optical finder, a back hinged to the left and an advance knob at the left end of the top plate. They are embossed ''ROSEN'' in the front leather.
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The Baby Rosen, Rosen Four and Adler Four are vertical folders. In addition to the folding bed, there is a square metal plate mounted on scissor struts and supporting the lens and shutter assembly. All the models have a folding optical finder and an advance knob at the left end of the top plate. The back is hinged to the left and retained by a sliding button on the right.
  
 
== The Baby Rosen ==
 
== The Baby Rosen ==
The '''Baby Rosen''' (ベビーローゼン) is a direct copy of the Zeh Goldi. It was advertised in 1935 and 1936.<REF> {{Kokusan}}, p.&nbsp;343. </REF> An advertisement dated September 1936<REF> Published in ''Ars Camera'', reproduced in {{Kokusan}}, p.&nbsp;104. </REF> gives the following list of lens and shutter options:
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The '''Baby Rosen''' (ベビーローゼン) is a direct copy of the Zeh Goldi. The film advance is manually controlled via two red windows in the back, and there is no exposure counter. The front leather is simply embossed ''ROSEN''.
* Terionar<REF> The advertisement is written テリナー but {{Kokusan}}, p.&nbsp;343, writes テリオナー and {{McKeown}}, p.&nbsp;804, mentions a Terionar lens. </REF> f:4.5 lens, Argus<REF> Inferred from the ''katakana'' アーグス. </REF> shutter ({{yen|35|1936}});
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* Corygon f:4.5 lens, [[Vario]] shutter ({{yen|45|1936}});
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The Baby Rosen appears in advertisements dated November 1935 to October 1936.<REF> {{Kokusan}}, p.343. </REF> The November 1935 advertisement in {{ACA}} mentions an imported Corygon f/4.5 lens and a [[Vario]] shutter, and says that the price range started at {{yen|45|1935}}.<REF> Advertisement reproduced in Yazawa, p.17 of {{CCN}} no.235. </REF> The September 1936 advertisement in {{AR}} lists the following lens and shutter combinations:<REF> Advertisement reproduced in {{Kokusan}}, p.104. </REF>
* Corygon f:4.5 lens, S-[[Pronto]] shutter ({{yen|55|1936}});
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* Terionar f/4.5 lens, Argus shutter, T, B, 25–100 speeds ({{yen|35|1936}});<REF> The lens name is written テリナー (''terinā'') in the advertisement by mistake. Terionar lenses are reported in {{SUG}}, item 1241, in {{MK}}, p.804, and have been observed in an online auction. </REF>
* Corygon f:4.5 lens, N-[[Compur]] shutter ({{yen|80|1936}}).
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* Corygon f/4.5 lens, [[Vario]] shutter ({{yen|45|1936}});
The Corygon lens was made by [[Friedrich]] while Terionar a lens name that is frequently found on [[Fuji Kōgaku]] cameras.
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* Corygon f/4.5 lens, [[Pronto|S-Pronto]] shutter ({{yen|55|1936}});
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* Corygon f/4.5 lens, [[Compur|N-Compur]] shutter ({{yen|80|1936}}).
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The Corygon lens was made by [[Friedrich]], and the Terionar lens was made by [[Fuji Kōgaku]], as indicated by the ''Fuji-kō Anastigmat Terionar'' engraving on the lens rim.<REF> Engraving observed on a Baby Rosen in an online auction. </REF> The Baby Rosen pictured in {{SUG}} is the cheapest version.<REF> {{SUG}}, item 1241. </REF> The Argus shutter is [[everset shutter|everset]] and the speeds are selected by a small wheel at the top. The release lever is directly attached to the shutter plate. The latter has a decorative pattern shaped as a labyrinth and the aperture scale is at the bottom.
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{{Flickr_image
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|image_source= http://www.flickr.com/photos/32582084@N06/6666198133/in/pool-camerawiki/
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|image= http://farm8.staticflickr.com/7017/6666198133_222c48e532_n.jpg
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|image_align= left
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|image_text= 1936 Proud Co.Japan Baby-Rosen Fuji-Ko Anastigmat f4,5/5cm
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|image_by= yalluflex
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|image_rights=  with permission
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}}
  
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{{br}}
 
== The Rosen Four ==
 
== The Rosen Four ==
The '''Rosen Four''' (ローゼン・フォアー) is a version modified for the 4&times;4 format. It is equipped with what is probably an auto-stop advance device at the left of the top plate, under the advance knob. The reason for the introduction of this device was that the rollfilm paperback did not have a series of numbers for the 4&times;4cm format.
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The '''Rosen Four''' (ローゼン・フォアー) is a modified version taking 4×4cm pictures. It was advertised as the first Japanese camera taking 4×4cm pictures,<REF> Leaflet ''Nihon saisho no 4×4 kamera Rōzen Foā'', c.1937; advertisement in {{ACA}} December 1936 reproduced in {{Kokusan}}, p.104. This information is repeated in {{SUG}}, item 1242, and in {{Kokusan}}, p.343. </REF> and the Rosen Four and Adler Four are certainly the only folding cameras that were made in that format.
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{| class="plainlinks floatleft" width=150px style="text-align: center;"
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|| [http://www.flickr.com/photos/camerawiki/32886461437/in/pool-camerawiki/ https://live.staticflickr.com/65535/32886461437_6c1f4570d1_t_d.jpg]
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|-
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|| ''Film advance control. {{public domain Japan old}}''
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|}
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There is a small black casing under the [[film advance|advance knob]], containing an exposure counter which is manually reset by a small button at the front. (Some device to control the film advance was necessary because the rollfilm paper backing was not marked for 4×4cm pictures.) It is said that there is no auto-stop mechanism and that the film advance is manually controlled by watching the frame numbers.<REF> "Senzen no rikō kamera – hoi", p.21 of {{KKS}} no.14 (about the Adler IIII). </REF> The front leather covering has the same ''ROSEN'' embossing as the Baby Rosen. The name ''Rosen'' is repeated at the front of the leather ever-ready case.<REF> Example observed in an online auction. </REF>
  
It was advertised in the December 1936 issue of ''Asahi Camera''<REF> Advertisement reproduced in {{Kokusan}}, p.&nbsp;104. </REF>, distributed by [[Ōsawa Shōkai]]. The following lens and shutter options are listed:
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The Rosen Four appears as a new model in an advertisement in the December 1936 issue of {{ACA}}.<REF> Advertisement reproduced in {{Kokusan}}, p.104. </REF> The maker is mentioned as [[Proud|Proud-sha]] and the distributor as [[Ōsawa|Ōsawa Shōkai]]. The following lens and shutter options are listed:
* Rosen Anastigmat 50/4.5 lens, Rosen shutter, 5&ndash;150 ({{yen|48|1936}});
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* Rosen Anastigmat 50/4.5 lens, Rosen shutter, 5–150 speeds ({{yen|48|1936}});
* Corygon f:4.5 lens, [[Vario|New Vario I]] shutter ({{yen|55|1936}});
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* Corygon f/4.5 lens, [[Vario|New Vario I]] shutter ({{yen|55|1936}});
* Corygon f:4.5 lens, [[Prontor II]] shutter ({{yen|69|1936}});
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* Corygon f/4.5 lens, [[Prontor II]] shutter ({{yen|69|1936}});<REF> An example is pictured in {{SUG}}, item 1242, and Lewis, p.51. </REF>
* Corygon f:4.5 lens, [[Compur]]-N shutter ({{yen|82|1936}});
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* Corygon f/4.5 lens, [[Compur|Compur-N]] shutter ({{yen|82|1936}});
* Corygon f:3.5 lens, [[Prontor II]] shutter ({{yen|80|1936}});
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* Corygon f/3.5 lens, [[Prontor II]] shutter ({{yen|80|1936}});
* Corygon f:3.5 lens, [[Compur]]-N shutter ({{yen|95|1936}});
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* Corygon f/3.5 lens, [[Compur|Compur-N]] shutter ({{yen|95|1936}});
* Corygon f:2.9 lens, [[Compur]]-N shutter ({{yen|110|1936}}).
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* Corygon f/2.9 lens, [[Compur|Compur-N]] shutter ({{yen|110|1936}}).
One example is pictured in the ''Omoide no supuringu-kamera-ten'' catalogue<REF> ''Omoide no supuringu-kamera-ten'', p.&nbsp;25. </REF> with a Rosen Anastigmat 50/4.5 lens and an everset shutter giving 5&ndash;250, B, T speeds, engraved ''PKW'' at the top of the shutter plate, with a ''P'' or ''LP'' logo on the right. The meaning of these markings is unknown.
 
  
The [[Adler IV]] sold by [[Riken]] is probably a rebadged version of the Rosen Four.
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The same versions are listed in the leaflet reproduced below, together with the ever-ready case for ¥5.<REF> Leaflet ''Nihon saisho no 4×4 kamera Rōzen Foā'', c.1937. </REF> The document mentions "Rosen Camera Works" (ローゼン・カメラ・ウアークス) and has an ''R.C.W'' logo. This is certainly not the name of an actual company, as many similar names ending in [[Camera Works]].
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{| class="plainlinks" align="center" style="text-align: center;"
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|| [http://www.flickr.com/photos/camerawiki/33952971058/in/pool-camerawiki/ https://live.staticflickr.com/65535/33952971058_6c53255543_d.jpg]
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|-
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|| ''Leaflet for the Rosen Four, c.1937. {{public domain Japan old}}''
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|}
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In addition to the above versions, the Rosen Four has also been observed with a Rosen–Anastigmat 50/4.5 lens and an everset shutter giving 5–250, B, T speeds, engraved ''PKW'' at the top of the shutter plate, with a ''P'' or ''LP'' logo on the right.<REF> Example pictured in ''Omoide no supuringu-kamera-ten'', p.25, and in [http://sts.kahaku.go.jp/sts/detail.php?id=1033&no=103310371050 this page] of the Center of the History of Japanese Industrial Technology, and example observed in an online auction. </REF> The meaning of these markings is unknown.
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== The Adler Four ==
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{| class="plainlinks floatright" style="text-align: center;"
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| width=300px | [http://www.flickr.com/photos/camerawiki/33952988728/in/pool-camerawiki/ https://live.staticflickr.com/65535/33952988728_d6b3584076_m_d.jpg]
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|-
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|| ''Column in {{SGR}} August 1938. {{public domain Japan old}}''
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|}
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The '''Adler Four''' (アドラー・フォアー) is a rebadged variant of the Rosen Four, sold by [[Asahi Bussan|Asahi Kōgaku Kōgyō]] (subsidiary of [[Ricoh|Riken]]). The main body is nearly identical to the Rosen Four, except that the casing for the exposure counter is nickel-plated instead of black, and that the front leather is embossed ''Adler IIII''. The name "Adler" was clearly used to demonstrate Japan's alliance with Germany. During the war period, [[Ricoh|Riken]] often used such names (they also sold a [[Heil]] camera), or other "patriotic" names.
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The Adler Four was introduced in 1938, some months after the 4.5×6 Adler models. The camera is announced and advertised in the August 1938 issue of {{SGR}}.<REF> Advertisement in {{SGR}} August 1938, p.2, and column in the same magazine, p.37. </REF> The price is given as {{yen|56|1938}} (case ¥6), and a ten-month payment plan is offered as an option.<REF> See also the catalogue ''Olympic Products'', c.1938, p.30, which gives the same information. The Adler Four was also listed for ¥65, with a similar ten-month payment option, in an unspecified issue of ''Riken Konzern geppō'' (理研コンツエルン月報) dated 1938, quoted in Tanaka, p.16 of {{KKS}} no.14. </REF> The two documents mention a Ukas Anastigmat f/4.5 lens and an Adler Four shutter giving 5–250, B, T speeds. Despite this, the camera pictured in the advertisement has a different shutter with T, B, 150–25 speeds, ''OLYMPIC FOUR'' at the top, ''MADE IN JAPAN'' and ''PAT. NO. 194303'' in small characters at the bottom, and the ''AKK'' logo of [[Asahi Bussan|Asahi Kōgaku Kōgyō]]. (This shutter is similar to that found on the [[Olympic|Olympic Four]].)
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{| class="plainlinks" align="center" style="text-align: center;"
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| width=300px | [http://www.flickr.com/photos/camerawiki/47830252801/in/pool-camerawiki/ https://live.staticflickr.com/65535/47830252801_c2f05beeb4_d.jpg]
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|-
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|| ''Advertisement in {{SGR}} August 1938. {{public domain Japan old}}''
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|}
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Two actual examples have been observed so far. One has a front-cell focusing Helios Anastigmat f/4.5 lens (certainly made by [[Tōkyō Shashin|Tōkyō Shashin Kōgaku]]) and an everset [[Perfect]] shutter (5–250, B, T) by [[Neumann & Heilemann]].<REF> Example observed in an online auction. </REF> The shutter plate has a ''Neumann & Heilemann'' nameplate screwed to the top, is marked ''PERFECT'' at the bottom and has an ''NH'' logo on the right. The aperture scale, from 4.5 to 18, is engraved on another crescent-shaped plate screwed to the bottom. (This lens and shutter equipment is similar to some [[Seica and Andes Four|Seica]] examples, but for the minimum speed.) This camera is reported to have the name "The Asahi Kogaku Kogyo Co Ltd" engraved somewhere.<REF> Description of the online auction. </REF>
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The other example has an [[everset]] shutter (5–250, B, T), marked ''ADLER FOUR'' at the top with a different logo on the right, probably reading ''AKK''.<REF> Example pictured in "Senzen no rikō kamera – hoi", p.21 of {{KKS}} no.14, and in [http://www.ricoh-imaging.co.jp/japan/products/ricoh-filmcamera/cameralist/adlerIV.html Adler Four page of the Ricoh official website]. </REF> This shutter is perhaps a rebadged Perfect but this is unconfirmed.
  
 
== Notes ==
 
== Notes ==
Line 32: Line 81:
  
 
== Bibliography ==
 
== Bibliography ==
* {{Showa10}} Items 326&ndash;7.
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=== Original documents ===
* {{McKeown12}} P.&nbsp;804.
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* Anonymous company. ''Nihon saisho no 4×4 kamera Rōzen Foā / Kokusan kamera hyōjun-hin Semi Rōzen'' (日本最初の4×4カメラ ローゼンフォアー / 国産カメラ標準品 セミ・ローゼン, Rosen Four, first Japanese 4×4 camera / Semi Rosen, standard Japanese camera). Leaflet published c.1937 (date not indicated). Document reproduced in [http://www.flickr.com/photos/rebollo_fr/sets/72157620584642273/ this Flickr set] by Rebollo_fr.
* ''Omoide no supuringu-kamera-ten'' (思い出のスプリングカメラ展, Exhibition of beloved self-erecting cameras). Tokyo: JCII Camera Museum, 1992. (Exhibition catalogue, no ISBN number.) P.&nbsp;25.
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* [[Asahi Bussan|Asahi Kōgaku Kōgyō]]. ''Olympic Products''. Catalogue published c.1938 (date not indicated). Document reproduced in [http://www.flickr.com/photos/rebollo_fr/sets/72157620508148775/ this Flickr set] by Rebollo_fr. (The catalogue briefly mentions the Adler Four on p.30, among cameras available with a ten-month payment plan.)
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* {{Inquiry1943}} Lens item Jc12.
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* {{SGR}} (新光グラフ) August 1938.
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** Advertisement by [[Asahi Bussan|Asahi Kōgaku Kōgyō]] on p.2.
 +
** "Orinpikku kamera nyūsu" (オリンピックカメラニュース, Olympic camera news). P.37.
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 +
=== Recent sources ===
 +
* {{Showa10}} Items 326–7. (The Adler Four is not listed in this book.)
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* {{Lewis}} P.51.
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* {{McKeown12}} P.804.
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* ''Omoide no supuringu-kamera-ten'' (思い出のスプリングカメラ展, Exhibition of beloved self-erecting cameras). Tokyo: JCII Camera Museum, 1992. (Exhibition catalogue, no ISBN number.) P.25.
 +
* "Senzen no rikō kamera – hoi" (戦前のリコーカメラ・補遺, Prewar Ricoh cameras – appendix). {{KKS014}} Pp.21–2.
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* {{Zukan}} Items 1241–2. (The Adler Four is not listed in this book.)
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* Tanaka Masao (田中政雄). "Senzen no kamera 2: Supuringu kamera" (戦前のカメラ2・スプリングカメラ, Prewar cameras 2: folding cameras). {{KKS014}} Pp.16–9.
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* Yazawa Seiichirō (矢沢征一郎). "Renzu no hanashi (145) Rōzen to Korigon" (レンズの話[145]ローゼンとコリゴン, Lens story [145] Rosen and Corygon). In {{CCN}} no.235 (January 1997). Nishinomiya: Camera Collectors News-sha. Pp.15–9.
  
 
== Links ==
 
== Links ==
* [http://sts.kahaku.go.jp/sts/detail.php?id=1033&key=103310371050&APage=5 The Rosen Four] in the [http://sts.kahaku.go.jp/sts/set_brws_01.php?id=1033 Camera database] of the [http://sts.kahaku.go.jp/ Center of the History of Japanese Industrial Technology]
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In Japanese:
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* [http://sts.kahaku.go.jp/sts/detail.php?no=103310371050 Rosen Four] in the [http://sts.kahaku.go.jp/sts/set_brws_01.php?id=1033 Camera database] of the [http://sts.kahaku.go.jp/ Center of the History of Japanese Industrial Technology]
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* Pages of the [http://www.ricoh.co.jp/ Ricoh official website]:
 +
** [http://www.ricoh-imaging.co.jp/japan/products/ricoh-filmcamera/cameralist/adlerIV.html Adler Four] in the [http://www.ricoh.co.jp/camera/cameralist/index.html camera list]
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** [http://www.ricoh-imaging.co.jp/japan/products/ricoh-filmcamera_lib/column/war-camera.html article about Riken wartime camera names]
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{{riken prewar}}
  
 
[[Category: Japanese 3x4 viewfinder folding]]
 
[[Category: Japanese 3x4 viewfinder folding]]
 
[[Category: Japanese 4x4 viewfinder folding]]
 
[[Category: Japanese 4x4 viewfinder folding]]
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[[Category: Ricoh]]
 
[[Category: B]]
 
[[Category: B]]
[[Category: R|Rosen, Baby]]]]
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[[Category: R|Rosen, Baby]]
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[[Category: A|Adler Four]]
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[[Category: 1935]]

Revision as of 06:31, 12 May 2019

Japanese Baby (3×4) and Four (4×4) (edit)
folding
3×4 Baby Balnet | Doris | Baby Doris | Baby Germa | Kinsi | Baby Leotax | Loren | Baby Lyra | Baby Pearl | Baby Pilot | Baby Rosen | Baby Suzuka | Walz
4×4 Adler Four | Rosen Four
rigid or collapsible
3×4 Baika | Baby Chrome | Comet | Cyclon | Gelto | Baby Germa | Gokoku | Hamond | Baby Hawk | Kinka Lucky | Lausar | Light | Baby Light | Molby | Mulber | Olympic | Baby Ōso | Peacock | Picny | Ricohl | Rorox | Shinko Baby | Slick | Baby Sport | Tsubasa Arawashi | Baby Uirus | Zessan
3.5×4 Kenko 35
4×4 Alma Four | Andes Four | Anny 44 | Arsen | Balnet Four | Bonny Four | Freude | Kalimar 44 | Auto Keef | Kraft | Letix | Mykey-4 | Olympic Four | Roico | Royal Senior | Seica | Terra Junior | Vero Four | Welmy 44 | Yashica Future 127
unknown
Baby First | Baby Lyra Flex
Japanese SLR, TLR, pseudo TLR and stereo models ->
Japanese 4×5 and 4×6.5, 4.5×6, 6×6 and 6×9 ->

The Baby Rosen and Rosen Four are Japanese folding cameras using 127 film, made from 1935 by the company Proud.[1] The Baby Rosen is a 3×4cm camera, copied from the Goldi, a German 3×4 camera made by the company Zeh. The Rosen Four is a derivative taking 4×4cm exposures. The Adler Four (or "Adler IIII" or "Adler IV") is a name variant of the Rosen Four, sold by Asahi Kōgaku Kōgyō.

For Adler cameras, see also the Semi Adler and Adler III (4.5×6cm), Adler A (4.5×6cm), Adler B (4.5×6cm), Adler C (4.5×6cm), Adler Six (6×6cm) and Vest Adler (4×6.5cm).

General description

The Baby Rosen, Rosen Four and Adler Four are vertical folders. In addition to the folding bed, there is a square metal plate mounted on scissor struts and supporting the lens and shutter assembly. All the models have a folding optical finder and an advance knob at the left end of the top plate. The back is hinged to the left and retained by a sliding button on the right.

The Baby Rosen

The Baby Rosen (ベビーローゼン) is a direct copy of the Zeh Goldi. The film advance is manually controlled via two red windows in the back, and there is no exposure counter. The front leather is simply embossed ROSEN.

The Baby Rosen appears in advertisements dated November 1935 to October 1936.[2] The November 1935 advertisement in Asahi Camera mentions an imported Corygon f/4.5 lens and a Vario shutter, and says that the price range started at ¥45.[3] The September 1936 advertisement in Ars Camera lists the following lens and shutter combinations:[4]

  • Terionar f/4.5 lens, Argus shutter, T, B, 25–100 speeds (¥35);[5]
  • Corygon f/4.5 lens, Vario shutter (¥45);
  • Corygon f/4.5 lens, S-Pronto shutter (¥55);
  • Corygon f/4.5 lens, N-Compur shutter (¥80).

The Corygon lens was made by Friedrich, and the Terionar lens was made by Fuji Kōgaku, as indicated by the Fuji-kō Anastigmat Terionar engraving on the lens rim.[6] The Baby Rosen pictured in Sugiyama is the cheapest version.[7] The Argus shutter is everset and the speeds are selected by a small wheel at the top. The release lever is directly attached to the shutter plate. The latter has a decorative pattern shaped as a labyrinth and the aperture scale is at the bottom.


The Rosen Four

The Rosen Four (ローゼン・フォアー) is a modified version taking 4×4cm pictures. It was advertised as the first Japanese camera taking 4×4cm pictures,[8] and the Rosen Four and Adler Four are certainly the only folding cameras that were made in that format.

There is a small black casing under the advance knob, containing an exposure counter which is manually reset by a small button at the front. (Some device to control the film advance was necessary because the rollfilm paper backing was not marked for 4×4cm pictures.) It is said that there is no auto-stop mechanism and that the film advance is manually controlled by watching the frame numbers.[9] The front leather covering has the same ROSEN embossing as the Baby Rosen. The name Rosen is repeated at the front of the leather ever-ready case.[10]

The Rosen Four appears as a new model in an advertisement in the December 1936 issue of Asahi Camera.[11] The maker is mentioned as Proud-sha and the distributor as Ōsawa Shōkai. The following lens and shutter options are listed:

The same versions are listed in the leaflet reproduced below, together with the ever-ready case for ¥5.[13] The document mentions "Rosen Camera Works" (ローゼン・カメラ・ウアークス) and has an R.C.W logo. This is certainly not the name of an actual company, as many similar names ending in Camera Works.

In addition to the above versions, the Rosen Four has also been observed with a Rosen–Anastigmat 50/4.5 lens and an everset shutter giving 5–250, B, T speeds, engraved PKW at the top of the shutter plate, with a P or LP logo on the right.[14] The meaning of these markings is unknown.

The Adler Four

The Adler Four (アドラー・フォアー) is a rebadged variant of the Rosen Four, sold by Asahi Kōgaku Kōgyō (subsidiary of Riken). The main body is nearly identical to the Rosen Four, except that the casing for the exposure counter is nickel-plated instead of black, and that the front leather is embossed Adler IIII. The name "Adler" was clearly used to demonstrate Japan's alliance with Germany. During the war period, Riken often used such names (they also sold a Heil camera), or other "patriotic" names.

The Adler Four was introduced in 1938, some months after the 4.5×6 Adler models. The camera is announced and advertised in the August 1938 issue of Shinkō Graph.[15] The price is given as ¥56 (case ¥6), and a ten-month payment plan is offered as an option.[16] The two documents mention a Ukas Anastigmat f/4.5 lens and an Adler Four shutter giving 5–250, B, T speeds. Despite this, the camera pictured in the advertisement has a different shutter with T, B, 150–25 speeds, OLYMPIC FOUR at the top, MADE IN JAPAN and PAT. NO. 194303 in small characters at the bottom, and the AKK logo of Asahi Kōgaku Kōgyō. (This shutter is similar to that found on the Olympic Four.)

Two actual examples have been observed so far. One has a front-cell focusing Helios Anastigmat f/4.5 lens (certainly made by Tōkyō Shashin Kōgaku) and an everset Perfect shutter (5–250, B, T) by Neumann & Heilemann.[17] The shutter plate has a Neumann & Heilemann nameplate screwed to the top, is marked PERFECT at the bottom and has an NH logo on the right. The aperture scale, from 4.5 to 18, is engraved on another crescent-shaped plate screwed to the bottom. (This lens and shutter equipment is similar to some Seica examples, but for the minimum speed.) This camera is reported to have the name "The Asahi Kogaku Kogyo Co Ltd" engraved somewhere.[18]

The other example has an everset shutter (5–250, B, T), marked ADLER FOUR at the top with a different logo on the right, probably reading AKK.[19] This shutter is perhaps a rebadged Perfect but this is unconfirmed.

Notes

  1. The attribution to Proud is confirmed by an advertisement in Asahi Camera December 1936, reproduced in Kokusan kamera no rekishi, p.104.
  2. Kokusan kamera no rekishi, p.343.
  3. Advertisement reproduced in Yazawa, p.17 of Camera Collectors' News no.235.
  4. Advertisement reproduced in Kokusan kamera no rekishi, p.104.
  5. The lens name is written テリナー (terinā) in the advertisement by mistake. Terionar lenses are reported in Sugiyama, item 1241, in McKeown, p.804, and have been observed in an online auction.
  6. Engraving observed on a Baby Rosen in an online auction.
  7. Sugiyama, item 1241.
  8. Leaflet Nihon saisho no 4×4 kamera Rōzen Foā, c.1937; advertisement in Asahi Camera December 1936 reproduced in Kokusan kamera no rekishi, p.104. This information is repeated in Sugiyama, item 1242, and in Kokusan kamera no rekishi, p.343.
  9. "Senzen no rikō kamera – hoi", p.21 of Kurashikku Kamera Senka no.14 (about the Adler IIII).
  10. Example observed in an online auction.
  11. Advertisement reproduced in Kokusan kamera no rekishi, p.104.
  12. An example is pictured in Sugiyama, item 1242, and Lewis, p.51.
  13. Leaflet Nihon saisho no 4×4 kamera Rōzen Foā, c.1937.
  14. Example pictured in Omoide no supuringu-kamera-ten, p.25, and in this page of the Center of the History of Japanese Industrial Technology, and example observed in an online auction.
  15. Advertisement in Shinkō Graph August 1938, p.2, and column in the same magazine, p.37.
  16. See also the catalogue Olympic Products, c.1938, p.30, which gives the same information. The Adler Four was also listed for ¥65, with a similar ten-month payment option, in an unspecified issue of Riken Konzern geppō (理研コンツエルン月報) dated 1938, quoted in Tanaka, p.16 of Kurashikku Kamera Senka no.14.
  17. Example observed in an online auction.
  18. Description of the online auction.
  19. Example pictured in "Senzen no rikō kamera – hoi", p.21 of Kurashikku Kamera Senka no.14, and in Adler Four page of the Ricoh official website.

Bibliography

Original documents

  • Anonymous company. Nihon saisho no 4×4 kamera Rōzen Foā / Kokusan kamera hyōjun-hin Semi Rōzen (日本最初の4×4カメラ ローゼンフォアー / 国産カメラ標準品 セミ・ローゼン, Rosen Four, first Japanese 4×4 camera / Semi Rosen, standard Japanese camera). Leaflet published c.1937 (date not indicated). Document reproduced in this Flickr set by Rebollo_fr.
  • Asahi Kōgaku Kōgyō. Olympic Products. Catalogue published c.1938 (date not indicated). Document reproduced in this Flickr set by Rebollo_fr. (The catalogue briefly mentions the Adler Four on p.30, among cameras available with a ten-month payment plan.)
  • "Kokusan shashinki no genjōchōsa" (国産写真機ノ現状調査, Inquiry into Japanese cameras), listing Japanese camera production as of April 1943. Reproduced in Supuringu kamera de ikou: Zen 69 kishu no shōkai to tsukaikata (スプリングカメラでいこう: 全69機種の紹介と使い方, Let's try spring cameras: Presentation and use of 69 machines). Tokyo: Shashinkogyo Syuppan-sha, 2004. ISBN 4-87956-072-3. Pp.180–7. Lens item Jc12.
  • Shinkō Graph (新光グラフ) August 1938.
    • Advertisement by Asahi Kōgaku Kōgyō on p.2.
    • "Orinpikku kamera nyūsu" (オリンピックカメラニュース, Olympic camera news). P.37.

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