Cemented DoubletsClick part # for details or to add to shopping cart.
Specifications
EFL (mm): 34.5
Major Dia: 7.9
ET: 5.4
Glass Type Code: D
R1: 37.7
V1H1: 2.6
CT Lens 1: 3.6
V2H2: -1.3
R2: -10
FF: 31.9
CT Lens 2: 2.3
A: 32.1
R3: -23.78
BF: 33.2
D: 33.5
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.