Cemented DoubletsClick part # for details or to add to shopping cart.
Specifications
EFL (mm): 29
Major Dia: 6.3
ET: 6
Glass Type Code: D
R1: 16.63
V1H1: 0.7
CT Lens 1: 5
V2H2: -3.6
R2: -14.11
FF: 28.3
CT Lens 2: 1.4
A: 28.6
R3: -54.97
BF: 25.4
D: 25.5
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.