Cemented DoubletsClick part # for details or to add to shopping cart.
Specifications
EFL (mm): 12
Major Dia: 7
ET: 3.7
Glass Type Code: C
R1: 8
V1H1: 0.4
CT Lens 1: 3.9
V2H2: -2.6
R2: -4.98
FF: 11.6
CT Lens 2: 0.8
A: 12
R3: -29.73
BF: 9.4
D: 10
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.