Cemented DoubletsClick part # for details or to add to shopping cart.
Specifications
EFL (mm): 12.6
Major Dia: 6.5
ET: 3.1
Glass Type Code: T
R1: 8.6
V1H1: 0.2
CT Lens 1: 3
V2H2: -2.1
R2: -5.28
FF: 12.4
CT Lens 2: 0.8
A: 13
R3: -51.1
BF: 10.4
D: 10.5
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.