Telephoto Attachment

1891

Telephoto attachment, variable separation. 4 elements.

Brass mount with rack and pinion movement.

Aluminium mount with rack and pinion movement. For Rapid Rectilinear or Stigmatic prime lens.

77911 .

The Telephoto attachment was advertised in three series:

High Power - for use with the Dallmeyer Portrait lens. Produced in sizes of 1.6", 1.8" and 2.4".
Medium Power - for use with the Dallmeyer Portrait lens. Produced in sizes of 2.5", 3" and 4".
Medium Power - for use with Rapid Rectilinear, Stigmatic and similar lenses. Produced in sizes of 2.5 - 12" and later down to ¾". The focal length of the negative component was around half that of the positive lens.

BP 21933/1891. BJA 1898, p. 1404. BJA 1910, p. 661. BJA 1912, p. 1398. YBP 1892, p. 89. N&G Cat. 1908, p. 81. BJP 8/1/1892, p. 22. Kingslake, p. 133.

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