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BICONCAVE LENS

$ 31.20 USD$ 29.64 USDSave 5%

SKU: AG-ME-K0671 Category:

Description

Material: BK-7
Outer diameter (¦Õmm): 5
Focus distance (mm): -12.5
Bag focus (mm): -12.83
Medium thickness (mm): 1
Koba meat (mm): 1.46
Design wavelength: 587.6nm
Refractive index: 1.51680/nd
Chamfer (45¡ã): 0.1mm
Tolerance range
Outer diameter: ¦Õ+0/-0.1mm
Center thickness: ¡À0.2mm
Focal length: ¡À2£¥
Surface quality: MIL60-40
Eccentricity: within 3 minutes (3′)