Cemented DoubletsClick part # for details or to add to shopping cart.
Specifications
EFL (mm): 33
Major Dia: 15
ET: 7.2
Glass Type Code: C
R1: 22.36
V1H1: 0.8
CT Lens 1: 6.8
V2H2: -4.8
R2: -13.7
FF: 32.2
CT Lens 2: 2.1
A: 33.5
R3: -81.09
BF: 28.3
D: 28.6
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.