Sociedad Ibero-Americana de la Historia de la Fotografia Museo Fotográfico y Archivo Historico "Adolfo Alexander"
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RITTRECK/OPTIKA I I a

 MUSASHINO KOKI CO., LTD.

( KAWASAKI CITY, JAPAN )

RITTRECK/OPTIKA I I a

1956 – 1960

LUMINANT 1:3.5 f = 10.5cm Lens

ROLLFILM  sizes 6 X 9, 6 X 7, 6 X 6, 6 X 4.5 cm

This is the only 6x9 SLR in Japan. This odd SLR have a vertical traveled focal plane shutter with T, B,1/20-1/500 second. The Luminant brand lenses with focal length of 90-400mm were available The dark room works was required, because the original roll film holder had a reverse winding mechanism to maintain flatness of the film (This description was foud in Wista's web site, but relly, I found the dark room is not required during the film exchange.)

Rittreck SP. a later model of this camera, had slower shutter speeds (the slowest was 1/2 second).

 

 

 

 

 

 

 

 

 

 

 

 

 

MUSASHINO KOHKI : Rittreck II-A

 

 

 

The export model of the Rittreck SLR was named as 'Optika.'

A 6x9 SLR camera made by Musashino Kohki ( now Wista ).

Vertical traveled focal plane shutter: B, 1/20, 1/25, 1/100, 1/250, 1/500sec

 

 


 

OPTIKA IIa

 

 

Rittreck IIa

 

Full kit Optika/Rittreck

 

 

 

 

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