Aspherical Glass Lenses                          Open PDF file

	Unit	ASL-0020	ASL-0030	ASL-0060
Design Wavelength [DW]	nm	633	635	940
Surface 1		Aspherical-Convex	Aspherical-Convex	Aspherical-Convex
Surface 2		Spherical-Convex	Spherical-Convex	Spherical-Concave
Effective Focal Length [EFL]	mm	11.20	13.00	9.56
Working Distance　 [WD]	mm	9.70	11.66	7.96
Numerical Aperture [NA]		0.29	0.23	0.17
Outside Diameter [OD]	mm	φ8.00	φ8.00	φ5.73
Center Thickness [CT]	mm	2.50	2.41	2.56
Fringe Thickness [FT]	mm	1.6	1.7	2.3
Surface 1 Effective Diameter	mm	φ6.5	φ6.0	φ3.2
Surface 2 Effective Diameter	mm	φ6.2	φ5.6	φ2.7
Transmittance (at DW)	%	>97	>97	>97
Cover Glass Thickness [t] (material)	mm	0.25 (BK7)	0.25 (BK7)

	Unit	ASL-0070	ASL-0080	ASL-0090
Design Wavelength [DW]	nm	790	780	800
Surface 1		Aspherical-Convex	Aspherical-Convex	Aspherical-Convex
Surface 2		Aspherical-Convex	Aspherical-Convex	Planar
Effective Focal Length [EFL]	mm	5.40	15.00	4.69
Working Distance　 [WD]	mm	4.04	13.30	2.46
Numerical Aperture [NA]		0.38	0.30	0.75
Outside Diameter [OD]	mm	φ6.50	φ10.50	φ9.50
Center Thickness [CT]	mm	2.50	3.00	3.80
Fringe Thickness [FT]	mm	1.7	1.7	1.6
Surface 1 Effective Diameter	mm	φ4.2	φ9.1	φ7.1
Surface 2 Effective Diameter	mm	φ3.4	φ8.5	φ5.4
Transmittance (at DW)	%	>97	>97	>97
Cover Glass Thickness [t] (material)	mm	0.30 (BK7)	0.30 (BK7)	0.25（BK7）

OPTIONS

- RoHS conformant    - Customized design available upon request	No.KR-B001-B
- Design and Specifications may change without notice	Ver.2010.4.12

NALUX Co., Ltd. http://www.nalux.co.jp/
It is prohibited to copy any part of this document in machine readable form or making multiple printouts thereof, except by written permission from
Nalux Co., Ltd.