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FLAT CONCAVE LENS

$ 112.80 USD$ 107.16 USDSave 5%

SKU: AG-ME-K0486 Category:

Description

Lens diameter (¦Õmm): 20
Focus distance (mm): -50
Bag focus (mm): -50.7
Medium thickness (mm): 1
Koba meat (mm): 3.2
Material: Synthetic quartz
Design wavelength: 587.6nm
Refractive index: 1.45850/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′)