Lens:

f3.5, 7.5 cm Tessar, iris diaphragm to f25. Serial no. 412992 .

Shutter:

Focal-plane, speeds 1/50 - 1/1000, B. Speed varied by slit width, fixed tension. Self-capping.

Construction:

Leather covered metal body leather bellows.

Format:

4.5 x 6 cm plates held in single dark-slides.

Focusing:

Helical, scale to 1 meter.

Attributes:

Direct-vision view-finder (post/lens).

Movements:

Cross front.

Serial Number:

813363 .

With:

Hooded focusing screen.