Lens:

Two, f4.5, 5 ½" Ross Xpres lenses, iris diaphragm to f32. Serial no. 97912 99350 (c. 1920).

Shutter:

Kershaw focal-plane, speeds 1/30 - 1/700, T. Spring powered, adjustment by slit variation. Not self-capping.

Construction:

Polished teak with brass binding and fittings. Red Russia leather bellows and hood.

Format:

Two 2 ½" x 3 ¼" exposures on 5 ½" x 3 ½" plates held in double dark-slides.

Focusing:

Bellows to 23". Double extension.

Attributes:

Reflex viewing through taking lens. Full-size ground glass screen.
The mirror and shutter are set separately, the release trips the mirror then the shutter, mirror raised by spring.
Interchangeable lens panel. Removable septum, image plane divider and focusing screen mask for mono use.

Movements:

Rising front.

Serial Number:

R962 .

With:

• 2 double dark-slides. Film pack adapter. Serial no. K2483.
• Rear focusing screen. Case.