Biconvex magnifier glass lens

Specifications Biconvex magnifier glass

1.Material:Optical glass

2.Dia.:2mm to 600mm

3.S/D:10/5

4.flatness:1/4lambda

High Surface quality-Optical Glass Biconvex magnifer   Bi-convex lenses are manufactured with an identical convex surface on both sides of the lens Bi-convex lenses have positive focal lengths and form both real and virtual images.    

Structure	Bi convex lens
Substrate Material	BK7/K9,B270.ZF4,fused silica,sapphire,IR glass
Diameters Available	2mm to 600mm
Diameter Tolerance	+0.00/-0.10 mm
Surface Quality	40-20 Scratch-Dig(general)     10-5 to 80-50 is availble
Surface Flatness	1/20 lambda to 3lambda
Surface Irregularity (Peak to Valley)	λ/4
Thickness tolerance	+0/-0.1mm
Focal length tolerance	+/-1%
Clear Aperture	>90% of Diameter
Chamfer	0.05-0.5mmx45degree,according to customer’s needs.
Centeration	3 arcmin
Coating	AR,Mgf2 is on request,R<0.25% Visible wavelength,laser wavelength

                    Professional Production and testing                     Safe and fast delivery       How to contact us? 1.Customer can send inquiry below. 2.Please find email address on the first page. 3.Please make call to us. 4.We are online on MSN Skype.     Welcome your inquriy at 24 hours!