Difference between revisions of "Auto Press Minolta"

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The '''Auto Press Minolta''' (オートプレスミノルタ) is a strut-folding camera taking 6.5×9cm plates or film sheets, made by Chiyoda Kōgaku Seikō (predecessor of [[Minolta]]) from 1937. It is an upgraded successor of the [[Minolta and Auto Minolta|Auto Minolta]].
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== Description ==
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The Auto Press Minolta was much inspired by the [[Plaubel]] [[Makina|Makina IIS]] but has a reversed configuration, with the viewfinder on the photographer's left.
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The main body is the same as on the [[Minolta and Auto Minolta|Auto Minolta]], but reversed. The rectangular front plate is mounted on scissor struts offset to the left, attached to a spring-loaded shaft. There are smaller struts on the right. The camera is opened by a small button placed on the right-hand side of the body, under the leather strap embossed ''AUTO PRESS''. There is a single tripod thread at the bottom.
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== Context ==
 
The 1930s were the era of the German camera makers since they offered a great range of innovative cameras for the new 35mm film standard. But the more traditional field of medium format folders was not dominated by them. But some innovations in this field were remarkable, for example the new concept of a strut folding press camera introduced with the [[Makina II]] in 1933 by [[Plaubel]]. [[Minolta|Chiyoda Kōgaku]] used this camera conception for its first camera with built-in flash-synchronization-switch. It was not a copy of the Makina but of its concept. Other than the archetype Chiyoda's '''Minolta Auto Press''' had horizontal and vertical scissors type struts, and the optical finder used only one collapsible lens frame together with a built-in ocular instead of the Makina's two collapsible frames. Several other details were different so that it was a real Minolta and not a fake Makina. The Auto Press had a predecessor, the cheaper [[Minolta and Auto Minolta|Auto Minolta]] of 1935 which was simpler and looked more alike a simplified Plaubel camera without sports finder.
 
The 1930s were the era of the German camera makers since they offered a great range of innovative cameras for the new 35mm film standard. But the more traditional field of medium format folders was not dominated by them. But some innovations in this field were remarkable, for example the new concept of a strut folding press camera introduced with the [[Makina II]] in 1933 by [[Plaubel]]. [[Minolta|Chiyoda Kōgaku]] used this camera conception for its first camera with built-in flash-synchronization-switch. It was not a copy of the Makina but of its concept. Other than the archetype Chiyoda's '''Minolta Auto Press''' had horizontal and vertical scissors type struts, and the optical finder used only one collapsible lens frame together with a built-in ocular instead of the Makina's two collapsible frames. Several other details were different so that it was a real Minolta and not a fake Makina. The Auto Press had a predecessor, the cheaper [[Minolta and Auto Minolta|Auto Minolta]] of 1935 which was simpler and looked more alike a simplified Plaubel camera without sports finder.
  

Revision as of 18:27, 9 June 2008

Japanese plate strut-folding cameras (edit)
No.0 (4×5cm) CH
atom (4.5×6cm) Idea Spring
meishi (5.5×8cm) Minimum Idea | Korok
daimeishi (6.5×9cm) Idea Spring | Minolta | Auto Minolta | Auto Press Minolta | Nifca-Dox | Vester Klapp
tefuda (8×10.5cm) Focal Happy | Idea Spring | Idea Telephoto
10×15cm Kongo Press
kabine (12×16.5cm) Idea Spring | Idea Telephoto
Japanese plate film: monocular, box, folding bed and SLR ->
3×4 and 4×4, 4×5 and 4×6.5, 4.5×6, 6×6 and 6×9 ->
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The Auto Press Minolta (オートプレスミノルタ) is a strut-folding camera taking 6.5×9cm plates or film sheets, made by Chiyoda Kōgaku Seikō (predecessor of Minolta) from 1937. It is an upgraded successor of the Auto Minolta.

Description

The Auto Press Minolta was much inspired by the Plaubel Makina IIS but has a reversed configuration, with the viewfinder on the photographer's left.

The main body is the same as on the Auto Minolta, but reversed. The rectangular front plate is mounted on scissor struts offset to the left, attached to a spring-loaded shaft. There are smaller struts on the right. The camera is opened by a small button placed on the right-hand side of the body, under the leather strap embossed AUTO PRESS. There is a single tripod thread at the bottom.

Context

The 1930s were the era of the German camera makers since they offered a great range of innovative cameras for the new 35mm film standard. But the more traditional field of medium format folders was not dominated by them. But some innovations in this field were remarkable, for example the new concept of a strut folding press camera introduced with the Makina II in 1933 by Plaubel. Chiyoda Kōgaku used this camera conception for its first camera with built-in flash-synchronization-switch. It was not a copy of the Makina but of its concept. Other than the archetype Chiyoda's Minolta Auto Press had horizontal and vertical scissors type struts, and the optical finder used only one collapsible lens frame together with a built-in ocular instead of the Makina's two collapsible frames. Several other details were different so that it was a real Minolta and not a fake Makina. The Auto Press had a predecessor, the cheaper Auto Minolta of 1935 which was simpler and looked more alike a simplified Plaubel camera without sports finder.

specifications

  • Type: strut folding press camera
  • Manufacturer: Chiyoda
  • Year of launch: 1937
  • Film type/frame size: roll film or film sheets / 6.5×9cm (probably 6×9 with roll film?)
  • Lens: 105mm F3.5 Promar Anastigmat Nippon, 4 elements
  • Shutter: Nippon Crown-Rapid or Crown-Rapid S, with speeds 1 sec. to 1/400 sec. plus T and B, self-timer
  • Focusing: 1m to infinity, aided by coupled rangefinder
  • Viewfinders: Optical finder with built-in ocular and collapsible front lens holder with crosshairs, additional big sports finder
  • Aperture: f3.5 to f25
  • Dimensions: 140×118×133mm
  • Weight: 1300g

A version with F4.5 lens was also made.

Bibliography

Links

In English:

In Japanese:


Nifca, Molta and Chiyoda prewar and wartime cameras (edit)
folding plate cameras
Nifcaklapp | Nifcasport | Sirius | Arcadia | Lomax | Eaton | Happy
folding rollfilm cameras telescopic bakelite cameras
Nifcarette | Sirius Bebe | Semi Minolta | Auto Semi Minolta Minolta Vest | Baby Minolta | Minolta Six
strut-folding cameras TLR cameras
Nifca-Dox | Minolta | Auto Minolta | Auto Press Minolta Minoltaflex | Minoltaflex Automat | Minoltaflex military prototype