Optical lens

Detailed Product Description

Achromatic Lens

Features: High Precision Dimension Control Optional Substrate Material Applications: Projection Systems Imaging Systems Laser Measurement Systems Specifications：	Achromatic Lens
Parameter	Unit
Material		See below
Design Wavelength	nm	480, 546.1, 643.8
Diameter Tolerance	mm	-0.00/-0.15
Thickness Tolerance	mm	+/-0.10
Focus Length Tolerance		+/-2%
Centration	arc minutes	<3
Surface Quality		40-60
Surface Figure		λ/4at633nm
Clear Aperture		Central 85% of diameter
Bevel		0.25mm x 45°
Coating		Single layer MgF2 AR coating or specified by customer
Materials		BK7，SF8，SF6 etc.