FLAT CONCAVE LENS

USD 60.20

SKU: AG-ME-K0392 Category:

Description

Outer diameter (¦Õmm): 50
Focus distance (mm): -200
Bag focus (mm): -201.32
Medium thickness (mm): 2
Koba meat (mm): 5.02
Material: BK-7
Design wavelength: 587.6nm
Refractive index: 1.51680/nd
Chamfer (45¡ã): 0.2 – 0.5mm
Tolerance range
Outer diameter: ¦Õ+0/-0.1mm
Center thickness: ¡À0.2mm
Focal length: ¡À2£¥
Surface quality: MIL60-40
Eccentricity: within 3 minutes (3′)