N-BK7 Achromatic Triplet Lens Dia.12.5mm EFL20 mm MgF2 (400-700nm) Coated

Achromatic lenses are cemented with two lenses mainly used to reduced values of spherical aberration, coma and chromatic aberration. Sunday offer positive achromatic lenses and negative achromatic lens with coatings.

The achromatic double glue lens is made of a positive lens of crown plate glass and a negative lens of flint glass, so as to minimize spherical aberration and chromatic aberration.Achromatic lenses are widely used in multi-color lighting and imaging.In use, parallel light is incident on a plane with a small radius of curvature.Sunday offer positive achromatic lenses and negative achromatic lens with coatings.

Specifications:

Structure:Achromatic Lenses

Material: Optical Glass,BK7,H-K9L,UVFS,Germanium,Silicon,CaF2,MgF2,ZnSe,ZnS,Sapphire.

Dia.0.35-700mm

Dia.Tol.+0.00/-0.01mm

Surface Quality:10-5

Surface Irregulatiry:λ/10 @632.8nm or customer design

Thickness tolerance:+0/-0.02mm

Clear Aperture>90% of diameter

Chamfer:0.05-0.5mm

Centeration<30 arcsec

Coating:Single Mag2, Multiple Layers AR Coating

             A: 350-650nm
             B: 650-1050nm
             C: 1050-1585nm
             D: Customer Design

sales@sunday-optics.com    www.sunday-optics.com   Bess Zhang

Phone:+8615104452660    +8618744192450