Cemented DoubletsClick part # for details or to add to shopping cart.
Specifications
EFL (mm): 37.7
Major Dia: 23.4
ET: 5.4
Glass Type Code: A
R1: 27.6
V1H1: 2.3
CT Lens 1: 8.2
V2H2: -4.2
R2: -17.32
FF: 35.4
CT Lens 2: 1.3
A: 37.9
R3: -39.47
BF: 33.5
D: 35.3
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.