Cemented DoubletsClick part # for details or to add to shopping cart.
Specifications
EFL (mm): 30.2
Major Dia: 10
ET: 3.9
Glass Type Code: XX
R1: 14.76
V1H1: -0.3
CT Lens 1: 2.7
V2H2: -3.1
R2: -23.24
FF: 30.6
CT Lens 2: 2
A: 31.4
R3: -708.6
BF: 27.1
D: 27.1
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.