Vest Pocket Tenax - Antique and Vintage Cameras

Vest Pocket Tenax

Second model

1911

C.P. Goerz

Berlin

Germany

Image of Vest Pocket Tenax

Lens:
f4.5, 75mm Dogmar. Iris diaphragm to f45. Serial no. 355261 .

Shutter:
Compound, speeds 1 - 1/250, B, T.

Construction:
Leather covered metal body, leather bellows.

Format:
4.5 x 6 cm plates held in single metal slides.

Focusing:
Bellows, focusing scale to 2.5 yards.

Attributes:
Direct-vision view-finder (lens/lens). A dot on the focusing scale indicates a general setting.

Serial Number:
68677 .

Notes:
Retailer's label in case: J. A. Sinclair & Co Ltd. 54 Haymarket. S.W.

With:

  • Hooded focusing screen.
  • 6 nickel single metal slides (1 - 6).
  • Film pack adapter with lens to correct for the difference in the film plane compared to slides. The negative lens is marked Goerz and 1/3, a label inside the adapter states that the lens is included in the price of the adapter.
  • Brilliant view-finder. This clips to the front standard and swivels for portrait or landscape positions.
  • Close-up lens. 1 negative, 1 undeveloped plate.
  • Fitted pigskin case.

The Vest Pocket Tenax was one of a number of V.P. sized cameras introduced in the 1900s. It proved popular and sold until just after the Zeiss merger of 1926. The Tenax was a strut camera with a focusing wheel on the camera body which moves the whole front standard forward and back. The front standard encloses the shutter giving a streamlined finish, four rigid struts connect the body and camera front.

The Tenax was made in three sizes with a number of lens and shutter combinations, finishes and improvements. Sizes: 4.5 x 6 cm; 6.5 x 9 cm; 45 x 107 mm stereo.

Models

Early model
1909. Only produced in the V.P. size, the shutter has speeds of 1/10 - 1/100 (not a Compound model) and had a limited aperture range. The shutter controls are on the left of the face plate (looking at the front of the camera). Lenses available were the f6.8 Dagor or f6.8 Syntor.

2nd model
1911. This is the familiar Tenax usually seen today. A Compound shutter is fitted, the controls are on large wheels on the right of the face plate. Lenses were the f6.8 Dagor, f6.8 Syntor or f4.8 Celor. From around 1913 the Celor was replaced by the f4.5 Dogmar. The Syntor was dropped prior to 1924. An f3.5 Dogmar was available on V.P. models c. 1924.

Last model
1929. The shutter is now a Compur, this has required the previously flush fitting dials to protrude from the face plate. The f4.5 Dogmar was available on each size and in tropical or normal finish. An f3.5 Dogmar was available on the V.P. size.

Tropical
A tropical finish of green Russia leather in a diced pattern was available in each model and size.

Accessories

  • Single metal slides for V.P. size. These are nickel with a hinged back to insert the plate.
  • Double dark-slides for the larger size and stereo.
  • Autochrome slide.
  • Film pack adapter.
  • Brilliant finder. Some models have a fitting on the front standard for a finder.
  • Daylight enlarger for V.P. and 6.5 x 9 cm.
  • Paraffin enlarger for V.P. size plates to 5" x 7", this utilises the camera.
  • Developing tank.

References & Notes:
BP 17624/1908. BJA 1909, pp. 321, 685. BJA 1910, p. 322. BJA 1911, pp. 330, 707. BJA 1912, pp. 345, 757. BJA 1924, p. 737. BJA 1925, p. 710. BJA 1926, pp. 321, 740. Sinclair Cat, 1910, p. 32. Ganzini Cat. 1926-27, p. 48.

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