日韩成人在线观看,欧美性爱网址,制服丝袜在线,制服丝袜在线

Lenses have many applications ranging from the simple collection of the scanning of laser beams to precise imaging and image transfer. MT-Optics provides Plano Convex Lens, Plano Concave Lens, Double Convex Lens, Double Concave Lens, Achromatic Lens, Cylindrical Lens and Meniscus Lens with a wide range of sizes from dia3.0mm to dia300mm and materials including N-BK7, Fused Silica, N-SF5, Sapphire, CaF2, Silicon, Germanium, etc.

Specifications:
Material:------------------------------------------------N-BK7, H-K9L, Fused Silica, N-SF10, Silicon, Ge,CaF2, etc.
Diameter Tolerance:------------------------------+0.0/-0.15mm (General), +0.0/-0.02mm (High Precision)
Focal Length Tolerance (mm):-----------------+/-2%
Centration:--------------------------------------------<3 arc minutes
Clear Aperture:------------------------------------>80% (Small Size), >95% (Large Size)
Surface Figure (per 25mm@632.8nm)----<1.5λ, (General), <λ/4 (High Precision)
IRR ( @632.8nm)----------------------------------<λ/4 (General), <λ/10 (High Precision)
Surface Quality:-------------------------------------60/40 (General), 10/5 (High Precision)
Protected Bevel:-------------------------------------<0.25mmx45deg
Coating:-----------------------------------------------uncoated, AR, HR, PR Coating, etc.

Lenses	Material	Illustration
Plano Convex Lens	BK7 Fused Silica CaF2 or Upon request
Plano Concave Lens	BK7 Fused Silica CaF2 or Upon request
Double Convex Lens	BK7 Fused Silica CaF2 or Upon request
Double Concave Lens	BK7 Fused Silica CaF2 or Upon request
Achromatic Lens	depended on the design
Cylindrical Lens	BK7 Fused Silica CaF2 or Upon request