Cemented DoubletsClick part # for details or to add to shopping cart.
Specifications
EFL (mm): -50.8
Major Dia: 22
ET: 7.3
Glass Type Code: H
R1: -32.62
V1H1: 1.2
CT Lens 1: 1.5
V2H2: -1.7
R2: 24.42
FF: -52
CT Lens 2: 3.2
A: -53.7
R3: 67.39
BF: -52.5
D: -53.3
The classic structure of a doublet combines a positively powered crown element with a negatively powered flint element. They deliver high performance when the application involves small fields of view, typically up to 6 degrees. Their image quality surpasses that of singlets.