Difference between revisions of "Regula IP.a"

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<div align="center">[http://www.flickr.com/photos/10456228@N00/4558926828/ http://farm4.static.flickr.com/3472/4558926828_e7109afaa0_m.jpg]</div>
 
  
 
'''Manufacturer:''' [[King]]
 
'''Manufacturer:''' [[King]]
  
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'''Date of Production:''' 1953
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'''Date of Production:''' 1954-56
  
 
'''Type of Camera:''' [[Viewfinder]]
 
'''Type of Camera:''' [[Viewfinder]]
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----
 
  
 
'''[[Film]] Type:''' 35mm
 
'''[[Film]] Type:''' 35mm
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'''[[Lens]]:''' [[Steinheil]] Munchen Cassar 45mm f/2.8
 
'''[[Lens]]:''' [[Steinheil]] Munchen Cassar 45mm f/2.8
  
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'''[[Shutter]]:''' [[Prontor]]-SVS
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'''[[Shutter]]:''' [[Prontor]]-SV or SVS
  
 
'''[[Shutter speed]] range:''' 1s-1/300th + Bulb
 
'''[[Shutter speed]] range:''' 1s-1/300th + Bulb
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'''Focus areas:''' 1m-Infinity
 
'''Focus areas:''' 1m-Infinity
  
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'''[[Viewfinder]]:''' Yes
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'''[[Film speed|ASA/ISO range]]:''' 8-200
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'''[[Film speed|ASA/ISO range]]:''' 6-200
 
  
 
'''Size (w*h*d):''' 130mm * 76mm * 65mm
 
'''Size (w*h*d):''' 130mm * 76mm * 65mm
  
 
'''Weight:''' 405g
 
'''Weight:''' 405g
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{{Flickr image
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| image_source=http://www.flickr.com/photos/10456228@N00/4558926828/in/pool-camerawiki
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| image=http://farm4.staticflickr.com/3472/4558926828_6980a1edc9_m.jpg
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| image_align=left
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}}
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{{brl}}
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{{Flickr image
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| image_source=http://www.flickr.com/photos/10456228@N00/5455517901/in/pool-camerawiki
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| image=http://farm6.static.flickr.com/5260/5455517901_09303758c1_m.jpg
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| image_align=left
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| image_text=Two Regula IP.a versions{{br}}<small>images by {{image author| Morinaka. }}</small> {{with permission}}
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}}
  
 
|}
 
|}
  
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The '''[[Regula]] IP.a''' was a [[35mm]] [[viewfinder camera]] made at Bad Liebenzell in the Black Forest by [[King|King KG]], starting in 1953 as a part of their [[Regula]] brand.
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The '''Regula IP.a''' is a [[35mm]] [[viewfinder camera]] made at Bad Liebenzell in the Black Forest by [[King|King KG]] in 1954-56 as a part of their [[Regula]] range. There appear to be three different designs of this camera. Two are the same, the only difference being the design of the writing on the top plate. The third has a Prontor-SV (not SVS) shutter, a different top plate and depth of field ring, similar to older King cameras, and is perhaps the first model made.
  
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== Construction ==
+
The construction of the camera is mostly metal, the only plastic (maybe [[Bakelite]]) part is the film take-up; the camera feels very solid but not that heavy like the previous Regula I models. The film is [[film advance|advanced]] with a lever on the top of the camera. Advancing the film also cocks the shutter, an improvement upon earlier Regulas, which require manual cocking. If the film frame is removed from inside the camera the cocking linkage can be seen. It is achieved by a watch chain connected just above the film take-up to a spring loaded ratchet on the other side of the camera.
−
The construction of the camera is mostly metal, the only plastic (maybe [[Bakelite]]) part is the film take-up; the camera feels very solid but not that heavy. The film is [[film advance|advanced]] with a lever on the top of the camera, you have to move it 180 degrees to fully advance; advancing the lever also cocks the shutter for the next shot, this is an advancement as with early Regula's you had to manually re-cock the shutter. If you remove the exposure window from inside the camera you can see this is achieved by a watch chain connected just above the film take-up to a spring loaded ratchet on the other side of the camera. The film counter is under the film advance and will only count when there is film in the camera, this is via a toothed wheel that sits in the film perforations; it is also connected to the shutter and will prevent the shutter from firing until the counter has increased by one. The film is rewound with a knob on the other side, you need to move the unmarked switch on the back of the camera and hold down a switch on the bottom of the camera before doing this.
 
  
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== Functionality ==
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The film counter is under the film advance and will only count when there is film in the camera. When rewinding, it goes backwards and this is a good way to tell if the film has been fully rewound (it will stop clicking once the film has come off the spool). The counter is driven via a toothed wheel that sits in the film perforations. It is also connected to a latch which prevents the shutter from firing until the counter has increased by one. The film is rewound with a knob on the other side. A button on the bottom of the camera must be pressed while rewinding.
−
The camera has no [[light meter]] but it does have a built in [[Light_meter#Extinction_Meters|extinction meter]] that is viewed through a separate window on the rear of the camera. The viewfinder itself is straight through with no frame lines to help guide you. The camera appears to have the ability to compensate for film speeds between DIN 10-24 (ASA/ISO 6-200) with a dial under the film rewind knob <i>[NB: i haven't tested this yet]</i>. The lens is good [[Steinheil|Cassar]] type and goes from f/2.8 through to f/16. Shutter speeds are in the one second to 1/300th second range with a bulb setting. Unusually for a [[Prontor]]-SVS shutter it lacks a [[self-timer]]. There is a PC [[flash sync]] point on the left side of the lens housing; it is capable of syncing in V, X and M modes; if you want to use a modern flash unit with it you will need one with a pc lead, or a [[hot shoe]] to pc adapter.
 
  
 +
The viewfinder has no frame lines to help guide you. The camera has a film speed reminder for film speeds between DIN 10-24 (ASA/ISO 8-200) that is set with a dial under the film rewind knob, but is easily knocked out of place. The lens is a [[Steinheil|Cassar]] type (three element anastigmat) and goes from f/2.8 through to f/16. Shutter speeds are in the range from one second to 1/300th second with a bulb setting. The camera does have a 10 second [[self-timer]] (set the V/X/M lever to V to activate the self-timer). There is a PC [[flash sync]] point on the left side of the lens housing; it is capable of syncing in V, X and M modes.
  
 +
=== Extinction Meter Guide ===
 +
The camera has a built-in [[Light_meter#Extinction_Meters|extinction meter]] that is viewed through a separate window on the rear of the camera. To use the meter, look through the meter eyepiece with the camera pointing towards the subject. Note the last still well defined number on the scale and use this number on the table below to work out the exposure. When using the meter it is recommended to shield it from direct sunlight by using your hand as a shade above the camera.
  
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== Images ==
+
This table was originally for ISO/ASA 40 film but is here converted for use with ISO 100 film, times below 1 second would have to be done in bulb mode. The numbers can also be roughly converted to EV values for easier calculation. Using ISO 100 film, number 1 on the scale works out to EV 8 and number 8 on the scale works out to EV 15.
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<div class="plainlinks floatleft">[http://www.flickr.com/photos/10456228@N00/4424882498/in/set-72157623599241208/ http://farm5.static.flickr.com/4057/4424882498_ffea9916ea.jpg] <p><b>Rear open section</b></p></div>
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<br style="clear: left;" />
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{|class="collapsible" cellpadding="5px" cellspacing="2" style="text-align: center; padding: 3px;"
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<br style="clear: right;" />
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|- bgcolor=#E0E0E0
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<div class="plainlinks floatleft">[http://www.flickr.com/photos/10456228@N00/4558926316/ http://farm4.static.flickr.com/3631/4558926316_be0d3f1d48.jpg] <p><b>Top section</b></p></div>
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| colspan=1 | Aperture
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<br style="clear: left;" />
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| colspan=8 | Exposure Table for Extinction Meter (ISO 100)
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<br style="clear: right;" />
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|- bgcolor=#E0E0E0
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<div class="plainlinks floatleft">[http://www.flickr.com/photos/10456228@N00/4424118337/in/set-72157623599241208/ http://farm5.static.flickr.com/4057/4424118337_7aab3ca6f7.jpg] <p><b>Bottom</b></p></div>
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!
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!1
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!2
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!3
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!4
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!5
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!6
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!7
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!8
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|- bgcolor=#F0F0F0
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!bgcolor=#E0E0E0|f/2.8
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|1/25||1/50||1/100||1/300|| - || - || - || -
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|- bgcolor=#F0F0F0
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!bgcolor=#E0E0E0|f/3.5 & 4
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|1/10||1/25||1/50||1/100||1/300|| - || - || -
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|- bgcolor=#F0F0F0
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!bgcolor=#E0E0E0|f/5.6
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|1/5||1/10||1/25||1/50||1/100||1/300|| - || -
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|- bgcolor=#F0F0F0
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!bgcolor=#E0E0E0|f/8
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|1/2||1/5||1/10||1/25||1/50||1/100||1/300|| -
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|- bgcolor=#F0F0F0
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!bgcolor=#E0E0E0|f/11
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|1s||1/2||1/5||1/10||1/25||1/50||1/100||1/300
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|- bgcolor=#F0F0F0
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!bgcolor=#E0E0E0|f/16
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|2s||1s||1/2||1/5||1/100||1/25||1/50||1/100
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|- bgcolor=#F0F0F0 style="font-weight: bold;"
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!bgcolor=#E0E0E0|EV Number
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|8||9||10||11||12||13||14||15
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|}
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{{br}}
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== Gallery ==
 +
{{Flickr image
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| image_source=http://www.flickr.com/photos/10456228@N00/6887688953/in/pool-camerawiki
 +
| image=http://farm8.staticflickr.com/7202/6887688953_d23d880a34_m.jpg
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| image_align=left
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| image_text=[[Regula]] IP.a Rear
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|image_by=Morinaka.
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|image_rights=  with permission
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}}
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{|align="left"
 +
|
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{{Flickr image
 +
| image_source=http://www.flickr.com/photos/10456228@N00/6887687619/in/pool-camerawiki
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| image=http://farm8.staticflickr.com/7186/6887687619_74da972bf1_m.jpg
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| image_align=left
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| image_text=Older top plate
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}}
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|
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{{Flickr image
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| image_source=http://www.flickr.com/photos/10456228@N00/6887664173/in/pool-camerawiki
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| image=http://farm8.staticflickr.com/7189/6887664173_0551726954_m.jpg
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| image_align=left
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| image_text=Newer top plate
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}}
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|-
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|colspan=2 align=center|<small>images by {{image author| Morinaka. }}</small> {{with permission}}
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|}
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{{br}}
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==Link(s)==
 +
* [https://www.butkus.org/chinon/regula/regula_guide/regula_guide.htm Regula user manuals] at [https://www.butkus.org/chinon/ Butkus.org]
 +
* [http://www.gigers.com/ernst/ALTEKAMERAS/Samml_king.htm Sucherkameras von King aus Bad Liebenzell], by [http://www.gigers.com/ernst/ Ernst Giger] (German)
  
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[[Category: K]]
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<!-- [[Category: K]] Removed category K as this camera letter is already handled in sub category King-->
 +
[[Category: King]]  
 
[[Category: R]]
 
[[Category: R]]
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[[Category: Regula]]
 
[[Category:German 35mm viewfinder]]
 
[[Category:German 35mm viewfinder]]
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[[Category:1954]]
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__NOTOC__

Latest revision as of 06:46, 15 August 2021

Regula IP.a

Manufacturer: King

Date of Production: 1954-56

Type of Camera: Viewfinder

Film Type: 35mm

Lens: Steinheil Munchen Cassar 45mm f/2.8

Shutter: Prontor-SV or SVS

Shutter speed range: 1s-1/300th + Bulb

Focus areas: 1m-Infinity

ASA/ISO range: 8-200

Size (w*h*d): 130mm * 76mm * 65mm

Weight: 405g

4558926828_6980a1edc9_m.jpg


5455517901_09303758c1_m.jpg
Two Regula IP.a versions
images by Morinaka. (Image rights)

The Regula IP.a is a 35mm viewfinder camera made at Bad Liebenzell in the Black Forest by King KG in 1954-56 as a part of their Regula range. There appear to be three different designs of this camera. Two are the same, the only difference being the design of the writing on the top plate. The third has a Prontor-SV (not SVS) shutter, a different top plate and depth of field ring, similar to older King cameras, and is perhaps the first model made.

The construction of the camera is mostly metal, the only plastic (maybe Bakelite) part is the film take-up; the camera feels very solid but not that heavy like the previous Regula I models. The film is advanced with a lever on the top of the camera. Advancing the film also cocks the shutter, an improvement upon earlier Regulas, which require manual cocking. If the film frame is removed from inside the camera the cocking linkage can be seen. It is achieved by a watch chain connected just above the film take-up to a spring loaded ratchet on the other side of the camera.

The film counter is under the film advance and will only count when there is film in the camera. When rewinding, it goes backwards and this is a good way to tell if the film has been fully rewound (it will stop clicking once the film has come off the spool). The counter is driven via a toothed wheel that sits in the film perforations. It is also connected to a latch which prevents the shutter from firing until the counter has increased by one. The film is rewound with a knob on the other side. A button on the bottom of the camera must be pressed while rewinding.

The viewfinder has no frame lines to help guide you. The camera has a film speed reminder for film speeds between DIN 10-24 (ASA/ISO 8-200) that is set with a dial under the film rewind knob, but is easily knocked out of place. The lens is a Cassar type (three element anastigmat) and goes from f/2.8 through to f/16. Shutter speeds are in the range from one second to 1/300th second with a bulb setting. The camera does have a 10 second self-timer (set the V/X/M lever to V to activate the self-timer). There is a PC flash sync point on the left side of the lens housing; it is capable of syncing in V, X and M modes.

Extinction Meter Guide

The camera has a built-in extinction meter that is viewed through a separate window on the rear of the camera. To use the meter, look through the meter eyepiece with the camera pointing towards the subject. Note the last still well defined number on the scale and use this number on the table below to work out the exposure. When using the meter it is recommended to shield it from direct sunlight by using your hand as a shade above the camera.

This table was originally for ISO/ASA 40 film but is here converted for use with ISO 100 film, times below 1 second would have to be done in bulb mode. The numbers can also be roughly converted to EV values for easier calculation. Using ISO 100 film, number 1 on the scale works out to EV 8 and number 8 on the scale works out to EV 15.

Aperture Exposure Table for Extinction Meter (ISO 100)
1 2 3 4 5 6 7 8
f/2.8 1/25 1/50 1/100 1/300 - - - -
f/3.5 & 4 1/10 1/25 1/50 1/100 1/300 - - -
f/5.6 1/5 1/10 1/25 1/50 1/100 1/300 - -
f/8 1/2 1/5 1/10 1/25 1/50 1/100 1/300 -
f/11 1s 1/2 1/5 1/10 1/25 1/50 1/100 1/300
f/16 2s 1s 1/2 1/5 1/100 1/25 1/50 1/100
EV Number 8 9 10 11 12 13 14 15


Gallery

6887688953_d23d880a34_m.jpg
Regula IP.a Rear
image by Morinaka. (Image rights)
6887687619_74da972bf1_m.jpg
Older top plate
6887664173_0551726954_m.jpg
Newer top plate
images by Morinaka. (Image rights)


Link(s)

Retrieved from "http://camera-wiki.org/index.php?title=Regula_IP.a&oldid=208390"