Customized Optical Material Hemispherical Lens

Product Description

Plano-convex, a collimated light beam passing through the lens transfer to a spot behind the lens. we also called a positive or converging lens. The distance from the lens to the focal points(mentioned as spot) is the lens focal length, which is commonly abbreviated f in diagrams and equations, and normally we can mentioned in the specification as EFL. PHYO OPTICS supply Plano-Convex lens in N-BK7,Fused Silica,CaF2,SF11,H-BaK4,H-BaK7,etc

Specification	Commercial	High Precision
Material	As Required Schott,CDGM.etc.	As required Schott, CDGM,etc.
Diameter Tolerance	+0.00/-0.20mm	+0.00/-0.05mm
Focual Length Tolerance	Typical +/-5%@633nm	Typical +/-2% @633nm
Centration	Typical <3arcmin	Typical <3arcmin
Surface Flatness@632.8nm	L/4	L/8
Surface Quality	80-50	40-20
Bevel	0.2-0.5	0.05-0.2
Coating	As required, with paint, Protection coating, high precision

PHYO OPTICS Production Material Choosing _____________________________________________________________________________________ Surface finishing high precision Polishing and Coating ________________________________________________________________________________________ Thin film Coating and design _________________________________________________________________________________________ Assembly _________________________________________________________________________________________ Packing for Delivery __________________________________________________________________________________________

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