Double concave lens

Model:	SC-04
Brand:	SHUNCHENG
Origin:	Made In China
Category:	Electronics & Electricity / Electronic Instrument / Optical Lens & Instrument
Label:	double concave lens , BK7 bi concave lens , coated concave lens
Price:	US $2 / pc
Min. Order:	50 pc

Product Description

Diameter Available	2mm--200mm
Diameter Tolerance	+0/-0.05mm
Thickness Tolerance	+/-0.05mm
Focal Length Tolerance	±1%
Surface Accuracy	L/4
Surface Quality	40-20 S/D
Centration	＜1 arc min
Clear Aperture	＞90%
Bevel	Protective bevel
Material	BK7,Fused silica,Quartz,SF11, and other optical glass
Coating	AR coating