Cemented DoubletsClick part # for details or to add to shopping cart.
Specifications
EFL (mm): 36
Major Dia: 16
ET: 4.8
Glass Type Code: D
R1: 21.02
V1H1: 0.8
CT Lens 1: 5.5
V2H2: -3.8
R2: -14.7
FF: 35.2
CT Lens 2: 1.5
A: 36.8
R3: -58.81
BF: 32.2
D: 32.8
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.