Lens:

f6.3, 5" Zeiss Protar. Combinable lens, rear group gives f12.5, 10". Iris diaphragm to f45. Serial no. 110135 110136 (1909).

Shutter:

Two-blade pivoted return, spring powered, pneumatic regulation. Speeds 1 - 1/100, T. The T setting is achieved by a short depress when set to 1/2. Self-capping.

Construction:

Leather covered metal body with leather bellows.

Format:

3 ¼" x 4 ¼" plates held in single metal slides.

Focusing:

Bellows, double extension, scale to 1 yard with combined lens, 2 ½ yards with rear group. The front standard has different positions for use with plates or film packs and also for combined or rear lens. Two focusing scales.

Attributes:

Direct-vision view-finder (lens/post) with rear mirror for waist-level use giving an upside down image. Automatic compensation for rising front. Two spirit levels. Depth-of-field scale. Attached tripod screw.

Identification:

Early model with eye-level view-finder.

Movements:

Rise and cross front.

Serial Number:

D109 .

Notes:

The lens is marked as 10" on the diaphragm, around the lens the length is given as 224 mm (8 ¾"), adverts give the length as 9".

With:

• Hooded focusing screen. 5 single metal slides, in case.
• Instructions, mauve covers. Case.

Lens:

f6.3, 5" Zeiss Protar. Combinable lens, rear group gives f12.5, 220 mm. Iris diaphragm to f45. Serial no. 129471 129478 (1910).

Shutter:

Two-blade pivoted return, spring powered, pneumatic regulation. Speeds 1 - 1/100, T. The T setting is achieved by a short depress when set to 1/2. Self-capping.

Construction:

Leather covered metal body with leather bellows.

Format:

3 ¼" x 4 ¼" plates held in single metal slides.

Focusing:

Bellows, double extension, scale to 1 yard with combined lens, 2 ½ yards with rear group. The front standard has different positions for use with plates or film packs and also for combined or rear lens. Two focusing scales. Focus with combined lens and double extension is 2 feet.

Attributes:

Reflecting view-finder. Two spirit levels. Depth-of-field scale. Attached tripod screw.

Identification:

Later model with reflecting view-finder.

Movements:

Rise and cross front.

Serial Number:

D151 .

Notes:

The lens is marked as 9" on the diaphragm, around the lens the length is given as 22 cm (8 ¾").

With:

• Hooded focusing screen.
• Film pack adapter.
• Makers cardboard box (has serial number D193 written on it).
• Tripod boards.