Dimensions in mm
Material: Optical glass type,fine annealed or UV grade fused silica
Si, Ge
Clear apertuer: 85% of diameter
Focal length tolerance: +/-2%
Diameter tolerance: +0.0/-0.10mm
Center thickness tolerance:+/-0.1mm
Centering Tolerance:3 arcmin typical
Surface accuracy: λ/4 @632.8nm
Surfacae quality: 60-40
Coating:optional

Dia	EFL	BFL	C.T.	E.T.	Material	Part No.	Coating	Price
5.0	10.0	8.91	1.64	1.00	BK7	PCX5F10	None	$6.0
6.0	18.0	17.07	1.40	0.90	BK7	PCX6F18	None	$6.0
9.0	18.0	16.41	2.41	1.26	BK7	PCX9F18	None	$6.0
9.0	27.0	25.35	2.50	1.75	BK7	PCX9F27	None	$6.0
12.0	24.0	22.15	2.80	1.25	BK7	PCX12F24	None	$6.0
12.0	48.0	46.36	2.50	1.76	BK7	PCX12F48	None	$6.0
15.0	30.0	27.90	3.18	1.23	BK7	PCX15F30	None	$6.0
20.0	60.0	57.03	4.50	2.84	BK7	PCX20F60	None	$8.0
20.0	80.0	78.45	2.35	1.13	BK7	PCX20F80	None	$8.0
20.0	100.0	97.13	4.30	3.32	BK7	PCX20F100	None	$8.0
25.0	50.0	46.75	4.90	1.68	BK7	PCX25F50	None	$9.0
25.0	100.0	97.13	4.30	2.77	BK7	PCX25F100	None	$9.0
25.0	150.0	147.81	3.50	2.49	BK7	PCX25F150	None	$9.0
30.0	60.0	56.03	6.00	2.13	BK7	PCX30F60	None	$10.0
30.0	100.0	96.01	6.00	3.78	BK7	PCX30F100	None	$10.0
40.0	80.0	74.78	8.00	2.91	BK7	PCX40F80	None	$11.0
40.0	200.0	196.92	5.00	3.07	BK7	PCX40F200	None	$11.0
50.0	150.0	144.07	9.00	4.86	BK7	PCX50F150	None	$12.0
50.0	200.0	196.66	5.07	2.00	BK7	PCX50F200	None	$12.0
50.8	65.63	60.30	9.50	2.80	SF56	PCX50.8F65.63	None	$12.0
75.0	200.0	194.25	8.74	1.70	BK7	PCX75F200	None	$15.0
145.0	384.6	374.71	16.50	3.00	BK7	PCX145F384.6	None	$25.0
25.0	25.0		3.0		Ge	PCXG25F25	None
25.0	50.0		3.0		Ge	PCXG25F50	None
25.0	75.0		3.0		Ge	PCXG25F75	None
25.0	100.0		3.0		Ge	PCXG25F100	None
25.0	150.0		3.0		Ge	PCXG25F150	None