Lens:

f4.5, 50 mm, IRCF Anastigmat, iris diaphragm to f11.

Shutter:

Argus-Ilex Precise, speeds 1/25 - 1/200, B, T.

Construction:

Bakelite body.

Format:

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

Focusing:

Fixed.

Attributes:

Direct-vision (lens/lens) view-finder.
Film advance is by single sprocket wheel. Auto-stop on film advance. Not coupled to shutter. Automatic frame counter.

Identification:

Early model with single sprocket wheel, no tripod socket and fixed pressure plate.