China Best Quality Optical Bk7 H-K9l Glass Full Fan Angle Powell Lenses, Find details about China Powell Lenses, Powell Lens from Best Quality Optical Bk7 H-K9l Glass Full Fan Angle Powell Lenses
Material | K9, Fused Silica or customization |
Diameter | 3-460mm |
Surface quality | 60-40 or better |
Fan angle | 5°, 10°, 15°, 30°, 45°, 60°, 90°, etc |
Coating | AR coating or as request |