Triple Achromat - Antique and Vintage Cameras

Triple Achromat

1861

J.H. Dallmeyer

London

England

Image of Triple Achromat

f10, 7" back focus

Lens Type:
Triplet. 69 angle of view.

Waterhouse stops. Brass mount. 7" back focus. 1 " front lens diameter. For 5" x 4".

Serial Number:
3642 (c. 1862) .

f10, 9 " back focus

Waterhouse stops. Brass mount. 9 " back focus, 1 " front lens diameter.

Serial Number:
21904 .

f10, 10 " back focus

Waterhouse stops. Brass mount. 10 " back focus. 1 ⅝" front lens diameter, 2 ⅛" back lens diameter. For whole-plate.

Serial Number:
13611 (c. 1867) .

No. 2. f10, c. 11"

Waterhouse stops. Brass mount. 1 ⅝" front lens diameter, 2" back lens diameter. For whole-plate.

Serial Number:
69732 , (c. 1906).

The Triple Achromat gave a flat field and some correction for astigmatism. It proved very popular and was supplied on many Dallmeyer cameras.

References & Notes:
G. Knight Cat. 1864, p. 12. Abney, Instruction, p. 86. Copeland Cat., p. 15. Kingslake, p. 64.


Company Details:

Dallmeyer

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Sutton Panoramic

Actinic Doublet

Grubb Aplanat

Triple Achromat

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