Cooke Triplet

The lenses on the Stereo Colorist are f/3.5 Cooke Triplets. These are 3 element in 3 group lenses. Here is a link to some information from Cooke Optics. Crown glass is in blue, flint glass is in green. The Cooke Triplets were used on these Realist format cameras...

• Realist 3.5 (White)


• Stereo Colorist 3.5 (Trinar)


• Stereo Vivid 3.5 (Tridar)


• Revere 33 3.5 (Wollensak)


• Kodak Stereo 3.5 (Anaston)


• Iloca Stereo II 3.5 (Llitar)


• Iloca Stereo Rapid 3.5 (Cassar)


• Wirgin Edixa 3.5 (Cassar)

Realist Format cameras with 4 element in 3 group Tessar lenses...

• Realist 2.8 (White)


• Wollensak Stereo 2.7 (Wollensak)


• Iloca Stereo Rapid 2.8 (Cassarit)