Dimensions in mm
Material:Optical glass type,fine annealed or UV grade fused silica
Clear apertuer:90% of diameter
Focal length tolerance:+/-2%
Diameter tolerance:+0.0/-0.10mm
Center thickness tolerance:+/-0.1mm typical
Surfacae Quality:60-40scratch-dig
Coating:optional

Dia	EFL	BFL	C.T.	E.T.	Material	Coating	Part No	Price
6.0	-12.0	-12.99	1.50	2.03	BK7	None	PCV6F-12	$6.0
6.0	-18.0	-12.99	1.50	2.03	BK7	None	PCV6F-18	$6.0
9.0	-18.0	-19.26	2.25	2.83	BK7	None	PCV9F-18	$6.0
9.0	-27.0	-28.68	3.00	3.38	SF11	None	PCV9F-27	$6.0
12.0	-24.0	-26.32	3.50	4.79	BK7	None	PCV12F-24	$6.0
12.0	-48.0	-50.31	3.50	4.12	BK7	None	PCV12F-48	$6.0
20.0	-40.0	-42.31	3.50	5.69	BK7	None	PCV20F-40	$8.0
20.0	-50.0	-52.31	3.50	5.21	BK7	None	PCV20F-50	$8.0
25.0	-50.0	-52.31	3.50	6.33	BK7	None	PCV25F-50	$8.0
25.0	-100.0	-102.31	3.50	4.85	BK7	None	PCV25F-100	$8.0
25.4	-50.0	-51.65	2.50	5.30	BK7	1/4λ MgF2 at  900nm	PCV25.4F-50	$8.0
50.0	-100.0	-103.30	5.00	11.04	BK7	None	PCV50F-100	$12.0