Olympus OM-system databack 4.

Olympus OM-system.  databack-4. Specifications.

Camera’s : OM-2n , OM-3 , OM-1n, OM-4 and OM-4T.

Mounting : removable Hingetype.

Position and size of imprinted data: In the bottom right-hand corner of the horizontal picture, figures  aproxx 0,7mm.

Imprinting direction : data imprinted from behind the film through the window in the pressure plate.

External indication of data : data display on liquid crystal panel for aproxx 5 years.

Accuracy : With-in ±15 seconds per month at 15º to 35º

Film speed range :  Color ISO  25—1000. B&W  ISO 80 or above.

Display control : 4 push-buttons operation.

Camera synch  : Via direct contact-pin .

Flash synch : Posseble with any electronic flash.

Motordrive operation : Posseble with OM-system motordrive and winder.

Batteries :  two 1,5 volt alkaline mangese batteries   LR44. Silver oxyde batteries SR-44.