Leica Single Exposure Accessory

1932

E. Leitz G.M.B.H.

Wetzlar

Germany

Image of Leica Single Exposure Accessory

Shutter:

Ibsor, speeds 1 - 1/125, T, B.

Construction:

Metal.

Format:

24 x 36 mm exposures on cut film held in single metal slides.

Attributes:

Comprises rear housing, removable focusing screen, shutter to push onto front of lens, single dark-slides.

Identification:

Shutter does not have finger release. Later, square shaped, accessory shoe.

Notes:

Retailer's stamp on pamphlet: W.H. Green. 28 Earl St. 20 City Arcade. 51/52 Spon End. Coventry.

With:

f4, 9 cm Elmar, iris diaphragm to f36. Helical focusing to 3 feet. Depth-of-field scale. Infra-red index. Serial No.: 454931, (1938).
Focusing screen. 11 slides. Cable release.
"A Leica Accessory for Single Exposures" - pamphlet d. 1935.

This was intended as an accessory for use when "special film was used or development was needed at once". A 5 cm view-finder was available at an extra cost as was a device to hold the film during development.

Very early models of the housing have a rounded accessory shoe later the 'square' shoe was fitted. The Ibsor shutters came with or without a finger release, there are also a differences in the engraving and finish.

Code Names:

OLEYO - accessory housing. KOOAS - slides.

References & Notes:

Leica Cat. 1936. Hasbroeck, Leica.

Early Photography