Difference between revisions of "Mamiya Six Design Variations"

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(→‎PAGE FIFTEEN -- Rangefinder Technology)
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| colspan=4 | '' Rangefinder Technology of the Mamiya Six. <small>Images  by Dirk HR Spennemann. {{with permission}}</small>''
 
| colspan=4 | '' Rangefinder Technology of the Mamiya Six. <small>Images  by Dirk HR Spennemann. {{with permission}}</small>''
 
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Revision as of 12:25, 4 January 2011

This is a work in progress.
PLEASE DO NOT LINK THIS PAGE UNTIL FINISHED--MY SANDBOX IS OVERFLOWING


This page provides a visual overview over the various design elements of the Mamiya Six series of folding cameras. The images have been provided to allow the use an accurate identification of the various models and variants. You are strongly advised to use the dichotomous key provided on the main Mamiya Six page, as this will guide you in the identification of models.

Lenses and Shutters

The Mamiya Six was manufactured in a wide range of lenses and shutters. That holds particularly true for the pre-War and War period, when prospective buyers could even bring in their own shutters and lenses to be fitted. Note that the lens and shutter combinations have been arranged alphabetically, not chronologically.

5160893435_6883922a3a_m.jpg
K.O.L. Anastigmat 7.5cm f/3.5
in MSU-TOKYO NEW HIT shutter 		4995251185_413f889fa3_m.jpg
K.O.L. Special 7.5cm f/3.5
in NKS–TOKIO shutter
 5260054511_c83d9fe83f_m.jpg
K.O.L. Special 7.5cm f/3.5
in TYS-II shutter 		5266917685_d68867dd34_m.jpg
Olympus Zuiko C. f/35. 75mm
in Seikosha-Rapid shutter
5256569043_9c3d4d504e_m.jpg
T.S.M. Anastigmat f/3.5 75mm
in OLYMPUS-TOKYO-N KOHO shutter 		5260190079_7970ee9036_m.jpg
Tokyo Optical Co. C. Simlar f/3.5 75mm
in Seikosha-Rapid shutter 		5260127411_836759c25b_m.jpg
Tokyo Optical Co.. Toko f/3.5 75mm
in Tokyo Opt. Co. RECTUS shutter 		5260088331_2d8e3cd98c_m.jpg
Tōwa Kōki Neocon f/3.5 75mm
in Copal shutter
Lens and Shutter Combinations of the Mamiya Six. Images by Dirk HR Spennemann. (Image rights)

Flash Contacts

5143458091_853d511c2d_m.jpg
Type I
None, pull-out knob only 		http://XXX.jpg
TEXT TEXT 		http://XXX.jpg
TEXT TEXT 		http://XXX.jpg
TEXT TEXT
Appearance of Flash Contacts of the Mamiya Six. Images by Dirk HR Spennemann. (Image rights)

Double Exposure Prevention

5143458091_853d511c2d_m.jpg
Type I
None, pull-out knob only 		5161496704_e2c7250e50_m.jpg
Type II
shutter cocked 		5161495442_c0551d3778_m.jpg
Type II
shutter released 		http://XXX.jpg
TEXT TEXT
Double Exposure Prevention Systems of the Mamiya Six. Images by Dirk HR Spennemann. (Image rights)

Body Shape Variations

Name Plate

5160887909_f5fe2b9b9d.jpg
Serial Number to left of flash shoe, above MAMIYA SIX
12x12mm waist view finder (Mamiya Six I) 		5144578588_4e48b0b358.jpg
Serial Number to left of flash shoe, above MAMIYA SIX
10x10mm waist view finder (Mamiya Six II, III)
5260186981_4e76a1f82d.jpg
Serial Number to left of flash shoe, below MAMIYA-6
curved housing, tail of '6' is pointy
(Mamiya IV) 		5267474971_18e042c4ae.jpg
Serial Number to left of flash shoe, below MAMIYA-6
curved housing, tail of '6' is rounded
(Mamiya IV)
5260126343_fc4b32e048.jpg
Serial Number to left of flash shoe, below MAMIYA-6
straight housing
(Mamiya K) [NOTE the flash shoe is missing] 		http://XXX.jpg
TEXT TEXT
Serial Number to right of flash shoe
Nameplate variations of the Mamiya Six. Images by Dirk HR Spennemann. (Image rights)

Rangefinder Windows (front)

THREE WINDOWS   5161493564_8133839373_m.jpg 5150206963_30345fa9ac_m.jpg
5161485250_71e9709c16_m.jpg
central window with serrated edge 		5257178558_67af2198c3_m.jpg
central window with smooth edge
TWO WINDOWS   http://XXX.jpg
right window on small plate
wide margins
top of housing stepped 		http://XXX.jpg
right window on small plate
narrow margins
top of housing sloping 		http://XXX.jpg
both windows on a plate
top of housing sloping
 
Rangefinder window variations of the Mamiya Six. Images by Dirk HR Spennemann. (Image rights)

Flash Shoe

5144586764_7f75c927f7_m.jpg
Three screws 		http://XXX.jpg
Two screws oblique 		http://XXX.jpg
Two screws vertical 		http://XXX.jpg
One screw
Flash-shoe variations of the Mamiya Six. Images by Dirk HR Spennemann. (Image rights)

Bottom Plate

5242279152_ef4cdf4abe_m.jpg
5255838523_96e90a6260_m.jpg
Mamiya Six I, II, III, 		http://XXX.jpg
TEXT TEXT 		http://XXX.jpg
TEXT TEXT 		http://XXX.jpg
TEXT TEXT
Appearance of the bottom plate of the Mamiya Six. Images by Dirk HR Spennemann. (Image rights)

Film Counter Window

5231305168_bdb48e42f1_m.jpg
"MAMIYA-SIX"
Mamiya Six I, II, III, 		http://XXX.jpg
"MAMIYA-6"
TEXT TEXT 		http://XXX.jpg
TEXT TEXT 		http://XXX.jpg
TEXT TEXT
Details of Film Advance Counter (Red) Windows of the Mamiya Six. Images by Dirk HR Spennemann. (Image rights)

Pressure Plate Support

5242244102_f24f72c9e5_m.jpg
Full length, arrow as label
Mamiya Six I, II, III, 		5241663147_9814cc4332_m.jpg
Full length, arrow embossed
Mamiya Six II, III, 		http://XXX.jpg
TEXT TEXT 		http://XXX.jpg
TEXT TEXT
Appearance of the guide rail for the removable pressure plate of the Mamiya Six.
Images by Dirk HR Spennemann. (Image rights)

Front Door Variations

5261261985_379e93d2ef_m.jpg
Mamiya Six II, III (war-time model) 		http://XXX.jpg
Mamiya Six III (post war model), IV, K 		5261261985_379e93d2ef_m.jpg http://XXX.jpg
Appearance of the front door of the Mamiya Six.
Images by Dirk HR Spennemann. (Image rights)

Door Catch Variations

5261261985_379e93d2ef_m.jpg
Mamiya Six II, III (war-time model) 		http://XXX.jpg
Mamiya Six III (post war model), IV, K 		5261261985_379e93d2ef_m.jpg http://XXX.jpg
Appearance of the internal door catch of the Mamiya Six.
Images by Dirk HR Spennemann. (Image rights)

Pressure Plate

http://XXX.jpg http://XXX.jpg http://XXX.jpg http://XXX.jpg
http://XXX.jpg
TEXT TEXT 		http://XXX.jpg
TEXT TEXT 		http://XXX.jpg
TEXT TEXT 		http://XXX.jpg
TEXT TEXT
Appearance of the removable pressure plate of the Mamiya Six.
Images by Dirk HR Spennemann. (Image rights)

Various

5160891357_5b88d199de_m.jpg
Eye-lets for neck strap
Mamiya Six I only 		http://XXX.jpg
TEXT TEXT 		http://XXX.jpg
TEXT TEXT 		http://XXX.jpg
TEXT TEXT
Various Details of the Mamiya Six. Images by Dirk HR Spennemann. (Image rights)

Knobs and Struts

Film Advance Knob

5144607786_14171759c1_m.jpg
Solid, knurled Knob 		http://XXX.jpg
Mushroom-shaped knob 		http://XXX.jpg
Mushroom-shaped knob with film speed 		http://XXX.jpg
Mushroom-shaped knob with film type
Variations of the film advance knob of the Mamiya Six. Images by Dirk HR Spennemann. (Image rights)

Front Door Release

5145173573_27718f86d6_m.jpg
raised button 		http://XXX.jpg
XXX 		http://XXX.jpg
XXX 		http://XXX.jpg
XXXX
Variations of the front door release of the Mamiya Six. Images by Dirk HR Spennemann. (Image rights)

Shutter Release

5161493064_ac4de66412_m.jpg
rounded top 		5256568339_e05eb05166_m.jpg
dimpled top 		http://XXX.jpg
cable release thred 		http://XXX.jpg
XXXX
Variations of the shutter release of the Mamiya Six. Images by Dirk HR Spennemann. (Image rights)

Strut Mechanism

5240117722_1a62d949ac_m.jpg
Three Struts
( Standard )
  		5256568573_998ae142b3_m.jpg
Two Struts
( Mamiya Six Ia &
Mamiya Six IIa ) 		http://XXX.jpg
TEXT TEXT 		http://XXX.jpg
TEXT TEXT
The Strut Systems of the Mamiya Six. Images by Dirk HR Spennemann. (Image rights)

Lettering and Labelling

Frame Counter

5161489928_479a568317_m.jpg
Line Arrow 		5144001539_2c8d940946_m.jpg
Hollow triangle 		5260701678_62b6271f85_m.jpg
Hollow broad arrow
http://XXX.jpg
Filled broad arrow 		http://XXX.jpg
Filled triangle 		5256567915_c438ec4c70_m.jpg
Drop-shaped counter
Variations of the frame counter of the Mamiya Six. Images by Dirk HR Spennemann. (Image rights)

Depth of Field Indicator

http://XXX.jpg
Demarcation 3.5, 5.6, 8
Distances in Meters
Small Arrow 		5260456856_bcb18cf77e_m.jpg
Demarcation 3.5, 5.6, 8
Distances in Meters
Spacing: 1, 1.2 (wide) 		5260457562_4aeaff21bb_m.jpg
Demarcation 3.5, 5.6, 8
Distances in Meters
Spacing: 1, 1.2 (narrow) 		5259851965_ae84c9f81b_m.jpg
Demarcation 3.5, 8, 11, 22
Distances in Feet
Spacing: 3.5, 5
5260459994_9b386b6e34_m.jpg
Demarcation 3.5, 8, 11, 22
Distances in Feet
Spacing: 3.5, 4, 5 		5259851073_c42aec9737_m.jpg
Demarcation 3.5, 8, 11, 22
Distances in Feet
Spacing: 3.5, 4, 5, 7 		5259854029_400b468c43_m.jpg
Demarcation 3.5, 8, 11, 22
Distances in Feet
Spacing: 4, 5 		5260460752_692fe03353_m.jpg
Demarcation 3.5, 8, 11, 22
Distances in Feet
90º turned; spacing: 3.5, 5
Variations of the Depth of Field Indicator of the Mamiya Six. Images by Dirk HR Spennemann. (Image rights)

Film Advance Lock

5161489244_25aba02cbe_m.jpg
Line Arrows 		5256567855_5570206d4a_m.jpg
Filled arrows 		http://XXX.jpg
Filled arrow, no '1' shown
Variations of the labelling of the Film Advance Lock of the Mamiya Six. Images by Dirk HR Spennemann. (Image rights)

Focus Wheel

5160886063_b7fc507c44_m.jpg
Line Arrows 		5256567773_b9da91335a_m.jpg
Filled arrows 		5267967751_ff7af130f8_m.jpg
Filled arrow, no '1' shown
Variations of the focus wheel of the Mamiya Six. Images by Dirk HR Spennemann. (Image rights)

Made in Japan

http://XXX.jpg
" MADE IN OCCUPIED JAPAN"
engraved on the bottom plate 		http://XXX.jpg
" MADE IN OCCUPIED JAPAN"
embossed in the door latch 		http://XXX.jpg
TEXT TEXT
Placement of the designator "Made in Occupied Japan" Mamiya Six. Images by Dirk HR Spennemann. (Image rights)

Labels on the Inside

5144041505_830b9d0f7a_m.jpg
MAMIYA SIX 6x6
TOKYO NIPPON 		http://XXX.jpg
TEXT TEXT 		http://XXX.jpg
TEXT TEXT
Labels found in the back door of the Mamiya Six. Images by Dirk HR Spennemann. (Image rights)


Leather Cases

The leather cases for the Mmaiya Six were made by suppliers using wooden lasts.[1] Over time modifications in the camera design, as well as changed specifications (e.g. for the case to be opened forward, rather than backward) led to variations in case design.[2]

At present the case seen for the Mamiya Six I is similar to that illustrated for the Mamiya Six III (war time version), except that it lacks all embossing ad that the fastening screw has a simple screw only (and not the characteristic metal bar). The case seen for the Mamiya Six II is again similar, replete with the appropriate cut-out for the red window (under the flap), but the case is embossed 'Zeiss Ikon.'[3]

TEXT TEXT TEXT    http://XXXX.jpg http://XXXX.jpg http://XXXX.jpg http://XXXX.jpg
Mamiya Six III (war time)  

Flat case
Case Opens backwards
On front embossed 'MAMIYA-SIX"   
Embossed SM logo on front
Window cut-out on back (under the flap)

5260061153_064cfa3af3_m.jpg 5260670056_e0c25a70dc_m.jpg 5260068093_743212c03c_m.jpg 5260068547_a8a7efd321_m.jpg
Mamiya Six III (post war)

Flat case
Case Opens Forward
On front embossed 'MAMIYA-SIX"   
Embossed SM logo on front
No window cut-out on back

5260096241_daf51d88c9_m.jpg 5260096793_fefaa2490e_m.jpg 5260097615_861a5c5c45_m.jpg 5260098031_21171c594c_m.jpg
Leather Cases for the Mamiya Six. Images by Dirk HR Spennemann. (Image rights)


Notes

  1. ↑ See this | blog post for a picture of a last.
  2. ↑ We need to be conscious that the observations reported here are based on the leather cases that came with the cameras some fifty to seventy years after they were produced. There is a small possibility that in the intervening years a camera may have been furnished with a case from a different Mamiya model. This can, and will, eventually be ruled out with a greater sample size.
  3. ↑ And there is no Zeiss Ikon camera design that has that specific red window configuration. we have to assume that the embossing is a custom job.


This is a work in progress.

PAGE FIFTEEN -- Rangefinder Technology

Mamiya Six I
sn #2854    		5273942764_3d6530bff8.jpg
Mamiya Six III
war-time
sn #XXXX   		http://XXXX.jpg
Mamiya Six III
post war
sn #XXXX    		http://XXXX.jpg
Mamiya Six IV
sn #XXXX    		http://XXXX.jpg
Rangefinder Technology of the Mamiya Six. Images by Dirk HR Spennemann. (Image rights)
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