Tele-Bewi

Bertram

Munich

Germany

Meter Type:

Extinction.

Calibration:

Film speed: A, Ex, Par, SI, 1 - 27° Scheiner. Shutter speed: 1/3000 - 3h. Aperture: f1.2 - f36.

Attributes:

The finder shows an inverted image of the scene and the whole range of light values. Depth-of-field table for: 5, 7.5, 10.5 and 13.5 cm lenses. Table giving longest exposure times for moving subjects. Focusing eye-piece.

With:

Case.

This is a combined exposure meter and split-image rangefinder.

Senior Bewi

c. 1930

Bertram

Munich

Germany

Meter Type:

Extinction.

Calibration:

Film speed: A, Ex, Par, SI, 1 - 27° Scheiner. Shutter speed: 1/3000 - 3h. Aperture: f1.9 - f36.

Attributes:

The finder shows an inverted image of the scene and the whole range of light values. Depth-of-field table for: 2", 3", 4" and 5 ¼" lenses. Table giving longest exposure times for moving subjects. Focusing eye-piece.

With:

Case.

Senior Bewi

Meter Type:

Extinction.

Calibration:

Film speed: A, 1 - 27° Scheiner. Shutter speed: 1/3000 - 3h. Aperture: f1.35 - f 50.

Attributes:

The finder shows an inverted image of the scene and the whole range of light values. Depth-of-field table for: 7.5 cm, 10.5cm, and 13.5cm lenses. Table giving longest exposure times for moving subjects. Focusing eye-piece. German text.

With:

Case.

Senior Bewi

Meter Type:

Extinction.

Calibration:

Film speed: A, Ex, Par, SI, 1 - 27° Scheiner. Shutter speed: 1/3000 - 3h. Aperture: f2.2 - f 50.

Attributes:

The finder shows an inverted image of the scene and the whole range of light values. Depth-of-field table for: 3", 4" and 5 ¼" lenses. Table giving longest exposure times for moving subjects. Focusing eye-piece. Filter factor. English text.

Serial Number:

29882 .

With:

Case.

The finder is aimed at the scene, it shows an inverted blue image. Around this is a series of numbers. The number matching the 'just visible shadow detail' is set on the outside of the tube. The shutter speed and aperture pairs can then be read. The price was £1.16.0. A Leica version was also produced.

References & Notes:

BJA 1934, p. 82. Westminster Cat. c. 1930, p. 38. Ensign Cat. 1932, p. 46. Ensign Cat. 1934, p. 52.

Early Photography

Tele-Bewi

Bertram

Munich

Germany

Meter Type:

Calibration:

Attributes:

With:

Senior Bewi

c. 1930

Bertram

Munich

Germany

Meter Type:

Calibration:

Attributes:

With:

Senior Bewi

Meter Type:

Calibration:

Attributes:

With:

Senior Bewi

Meter Type:

Calibration:

Attributes:

Serial Number:

With:

References & Notes:

Extinction

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