Cemented DoubletsClick part # for details or to add to shopping cart.
Specifications
EFL (mm): 37.4
Major Dia: 18
ET: 11.3
Glass Type Code: CC
R1: 24.52
V1H1: 1.8
CT Lens 1: 11
V2H2: -7.2
R2: -13.38
FF: 35.6
CT Lens 2: 2.5
A: 37.2
R3: -70.66
BF: 30.2
D: 30.8
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.