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PLANO-CONCAVE LENSES
Material :CaF2, BaF2, Quartz Design Wavelength :5 & 1.06 nm Effective Focal Length :± 5% Clear Aperture :90 % Diameter Edge thickness Variation :0.025mm Diameter Tolerance :+0,-0.25 mm Bevel :0.25mm @ 45 degree Surface Irregularity :½ Lambda @ .5893 Microns Surface Quality :60-40
Diameter (mm)	Effective Focal Length (mm)	CaF2Part Number	Price	BaF2 Part Number	Price	Quartz Part Number	Price
12.7	- 25.4	1225-CFV	$165	1225-BFV	$200	1221-QV	$160
	- 38.1	1235-CFV	135	1235-BFV	162	1231-QV	130
	- 50.8	1245-CFV	135	1245-BFV	162	1241-QV	130
	- 63.5	1255-CFV	135	1255-BFV	162	1251-QV	130
19.0	- 38.1	1925-CFV	$200	1925-BFV	$250	1921-QV	$200
	- 57.1	1935-CFV	175	1935-BFV	230	1931-QV	165
	- 76.2	1945-CFV	175	1945-BFV	230	1941-QV	165
	- 95.3	1955-CFV	175	1955-BFV	230	1951-QV	165
25.4	- 50.8	2525-CFV	$250	2525-BFV	$270	2521-QV	$240
	- 76.2	2535-CFV	200	2535-BFV	225	2531-QV	175
	- 101.6	2545-CFV	200	2545-BFV	200	2541-QV	150
	- 127.0	2555-CFV	200	2555-BFV	200	2551-QV	150
	-152.4	2565-CFV	200	2565-BFV	190	2561-QV	150
	-203.2	2585-CFV	200	2585-BFV	190	2581-QV	150
	-254.0	25105-CFV	200	25105-BFV	190	25101-QV	150
38.1	- 76.2	3825-CFV	$325	3825-BFV	$450	3821-QV	$260
	- 114.3	3835-CFV	300	3835-BFV	385	3831-QV	200
	- 152.4	3845-CFV	300	3845-BFV	365	3841-QV	200
	- 190.5	3855-CFV	300	3855-BFV	345	3851-QV	200
	-228.6	3865-CFV	300	3865-BFV	345	3861-QV	200
	-304.8	3885-CFV	300	3885-BFV	345	3881-QV	200
	-381.0	38105-CFV	300	38105-BFV	345	38101-QV	200
50.8	- 101.6	5025-CFV	$375	5025-BFV	$820	5021-QV	$275
	- 152.4	5035-CFV	320	5035-BFV	675	5031-QV	250
	- 203.2	5045-CFV	320	5045-BFV	650	5041-QV	220
	- 254.0	5055-CFV	320	5055-BFV	600	5051-QV	220
	-304.8	5065-CFV	320	5065-BFV	600	5061-QV	220
	-406.4	5085-CFV	320	5085-BFV	600	5081-QV	220
	-508.0	50105-CFV	320	50105-BFV	600	50101-QV	220