Plano-Concave Lenses

Specifications:

Material	BK7 glass,UV grade fused silica,CaF2
Diameter Tolerance	+0.0,-0.1mm
Center Thickness	+/-0.2mm
Bevle	<0.25mm
Paraxial Focal Length	+/-1% (EFL<1m) +/-2%（EFL>1m)
Surface Quality	60-40 scrath and dig
Clear Aperture	Central 85% of diameter
Coating	Uncoated, AR, HR, PR Coating, etc.

Standard Plano-Concave Lenses

Part No.	f (mm)	dia (mm)	R1 (mm)	t c (mm)	t e (mm)	t b (mm)
LPC1101	-15.0	12.7	7.78	2.0	5.3	-16.3
LPC1102	-20.0	12.7	10.37	2.0	4.1	-21.3
LPC1103	-25.0	12.7	12.96	2.0	3.7	-26.3
LPC1104	-30.0	12.7	15.55	2.0	3.4	-31.3
LPC1105	-40.0	12.7	20.73	2.0	3.0	-41.3
LPC1106	-50.0	12.7	25.92	2.0	2.8	-51.3
LPC1201	-25.0	25.4	12.97	2.0	10.9	-26.3
LPC1202	-35.0	25.4	18.14	2.0	7.2	-36.3
LPC1203	-50.0	25.4	25.92	2.0	5.3	-51.3
LPC1204	-75.0	25.4	38.87	2.0	4.1	-76.3
LPC1205	-100.0	25.4	51.83	2.0	3.6	-101.3
LPC1206	-150.0	25.4	77.75	2.0	3.0	-151.3
LPC1207	-200.0	25.4	103.66	2.0	2.7	-201.3