Beck - Antique and Vintage Cameras

Multifex

1903

R & J Beck Ltd

London

England

Image of Multifex

No. 3

Lens Type:
Telephoto. Variable separation.

Iris diaphragm scaled 1 - 64. Magnification scaled 3 - 6. Brass mount. For whole-plate. The positive lens - engraved Multifex Positive Lens - is removable and can be used as a prime lens. A magnification of 3 gave a focal length of 22.5" at f22, a magnification of 6 gave a focal length of 45" at f45.

Serial Number:
54775 .

References & Notes:
BJA 1905, p. 172. BJA 1907, p. 150. Phot. Lenses Simple Treatise 5th ed., p. 288.

Staley-Wheeler Convertible Telephoto

1907

A.E. Staley & Co.

London

England

Lens Type:
Telephoto attachment. Variable separation.

Brass mount with rack and pinion movement. Scale marked 0 - 50 mm. One negative component is missing.

Designed by Captain Owen Wheeler, the negative group consists of three components which could be used separately or in conjunction giving a range of magnification up to 30x. Two sizes were made for quarter and half-plate, later only the half-plate is advertised.

The patent shows the three groups each having two elements, the focal lengths given are: B 65 mm; B1 30 mm and B2 50 mm. Later diagrams still show three groups but with different element configurations.

References & Notes:
BP 18121/1907. BJA 1908, 1194. BJA 1909, pp. 549, 705. BJA 1912, p. 7. N&G 1911, p. 89.


Company Details:

Beck

Staley

Telephoto

Dallmeyer

Dr Miethe's

Goerz, Zeiss, Voigtländer

Tele Objectif Panorthoscopique

Beck, Staley-Wheeler

N&G Telephoto

Bausch & Lomb, Lambour

Bis-Telar

Telecentric, Teleros

Dallon

Tele-Converters

Popular Telephoto, Tele Arton
Travenar

Novoflex

Pan Cinor, Vivitar


Lens Home page

Lens Diaphragms

Lens Mounts