Shutter:

Focal-plane, speeds 1 - 1/1000, B. Speeds are varied by delaying the second blind. Flash synchronisation.

Construction:

Vulcanite covered metal body.

Format:

36, 24 x 36 mm exposures on 35 mm film held in cassette.

Attributes:

Auto-stop on film advance coupled to shutter. Film advance tensions shutter.
Exposure counter.

Serial Number:

1141346 .

With:

• Body cap.
• Microscope attachment. Comprises: Prontor-Press shutter, speeds 1 - 1/125, B, T, with flash synchronisation; Focusing telescope and beam splitter; 1/3x tube to attach camera to shutter.