Cemented DoubletsClick part # for details or to add to shopping cart.
Specifications
EFL (mm): 10
Major Dia: 6
ET: 3.8
Glass Type Code: D
R1: 5.84
V1H1: 0.7
CT Lens 1: 4
V2H2: -2.7
R2: -4.55
FF: 9.3
CT Lens 2: 0.9
A: 10.1
R3: -15.85
BF: 7.3
D: 7.6
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.