Cemented DoubletsClick part # for details or to add to shopping cart.
Specifications
EFL (mm): 24
Major Dia: 12.5
ET: 2.9
Glass Type Code: D
R1: 14.02
V1H1: 0.5
CT Lens 1: 4.4
V2H2: -2.8
R2: -9.8
FF: 23.5
CT Lens 2: 0.6
A: 24.9
R3: -39.16
BF: 21.2
D: 21.7
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.