Lens:

Two, f6.3, 6" Ross Homocentric lenses. Iris diaphragm to f22. Serial no. 99063 99062 (c.1920).

Shutter:

Kershaw focal-plane, speeded 1/18, 1/23, 1/35, 1/70, 1/140, 1/280, 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 28". 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.
Removable septum, image plane divider and focusing screen mask for mono use.

Movements:

Rising front. Limited cross front.

Serial Number:

M429 .

With:

Hooded focusing screen.; Film Pack Adapter. Marked "Kodak Licence". Serial no. K3516.