Cemented DoubletsClick part # for details or to add to shopping cart.
Specifications
EFL (mm): 30
Major Dia: 12.5
ET: 4.4
Glass Type Code: VV
R1: 15.96
V1H1: -0.5
CT Lens 1: 4.5
V2H2: -4
R2: -14.99
FF: 30.5
CT Lens 2: 1.2
A: 31.8
R3: -533.7
BF: 26.1
D: 26.2
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.