Cemented DoubletsClick part # for details or to add to shopping cart.
Specifications
EFL (mm): 16
Major Dia: 8
ET: 3.9
Glass Type Code: C
R1: 10.92
V1H1: 0.5
CT Lens 1: 4
V2H2: -2.6
R2: -6.62
FF: 15.5
CT Lens 2: 1
A: 16.3
R3: -37.87
BF: 13.4
D: 13.6
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.