Lens:

f6.3, 163mm Zeiss Protarlinse V11a. Comprising two, f12.5, 290 mm groups. Iris diaphragm to f50, continental scale. Serial no. 218004 (1913).

Shutter:

Dial-set Compur, speeds 1 - 1/200, B, T. Serial no. 829441.

Construction:

Polished teak with brass fittings, black leather bellows.

Format:

5" x 4" plates held in double dark-slides.

Focusing:

Bellows to 2'. Double extension with additional extension by using the front panel struts.

Attributes:

Brilliant view-finder by Adams. Circular spirit level, 'T' level by T.T.H. Reversing back. Wide-angle flap. Wide-angle focusing rack.

Identification:

One piece of brass on extension slide. Type 2 front standard lock. Type 3 infinity catch. Late type front standard bolts. Tongue and groove lens panel. Rack and pinion rising front. Type 1 handle to wide-angle rack. Type 3 back catch. Type 5 name plaque. Type 1 trade plaque. "Patents" on struts.

Movements:

Rising front by rack and pinion. Tilting front.

Serial Number:

20740 (c. 1911) .

With:

• Hooded focusing screen. 3 double dark-slides (1 - 6) with 6 cut film sheaths.
• Tropical film pack adapter. Serial no. K237.
• Tropical changing box for 12 plates or cut films bag type. Serial no. R57.
• Cable release by F. Deckel. Lens cap.
• Watkins Bee meter. Version with single tint and ridge (c. 1913).

Lens:

f6.3, 5" Ross-Zeiss Patent Protar, iris diaphragm to f45. Comprising two, f12.5, 9" groups. Iris diaphragm to f64. Serial no. 15362 15363 .

Shutter:

Koilos, speeds 1 - 1/500, B, T. Wire and pneumatic releases.

Construction:

Polished teak with brass fittings, black leather bellows.

Format:

5" x 4" plates held in double dark-slides.

Focusing:

Bellows to 22" with 5" lens, 36" with 9". Scales for 5" and 9" lenses both to 6 feet. Double extension with additional extension by using the front panel struts.

Attributes:

Brilliant view-finder. Circular spirit level. Reversing back. Wide-angle flap. Wide-angle focusing rack.

Identification:

One piece of brass on extension slide. Type 2 front standard lock. Type 3 infinity catch. Late type front standard bolts. Tongue and groove lens panel. Rack and pinion rising front. Type 1 handle to wide-angle rack. Type 3 back catch. Type 5 name plaque. "Patents".

Movements:

Rising front. Tilting front.

Serial Number:

19688 (1910) .

Notes:

Retailer's label on top of camera: Ross Ltd. 31 Cockspur St. Charing Cross.

With:

Hooded focusing screen. 3 double dark-slides (1 - 6). Fitted case by Ross.