China Star Optics Technology Co., Ltd

gratings: Specifications: Ruled area: <=70 * 70mm Wavelength range: 0.2-0.8um Grooves per mm: 1, 200

*Material BK7 *Beam Deflection 180 degree +/- 5 sec *Dimension Tolerances +/-0.1mm *Clear Aperture >8

Plano-convex cylindrical lens, plano-concave cylindrical lens, bi-convex cylindrical lens, bi-concave cylindri

*Material BK7 or UV grade fused silica *Dimension Tolerances +/-0.1mm *Clear Aperture >80% *Surface Q

Material BK7 or other optical materials *Dimension Tolerance +0.0~-0.1mm *Center Thickness +/-0.1mm *Foc

*Material BK7 or other optical materials *Dimension Tolerance +0.0~-0.1mm *Center Thickness +/-0.1mm *Fo

Specification of our adapter ring as follow: *M25, 27, 28, 30, 30.5, 34, 40.5mm, 43mm, 46mm, 49mm to 37mm *M37

Total length of the projector lens is 109.2mm, external diameter of small end is 77mm, external diameter of bi

Specification of our fisheye lens as follow: *37mm 0.42X fisheye lens; *72mm, 82mm 0.7X fisheye lens

Specification of our wide angle lens as follow: 25mm 0.45X wide angle lens 27mm 0.45X wide angle lens 28mm

Achromatic Lens is an achromatic consists of a positive low-index Crown Glass lens element cemented to a negat

China Star Optics offers all types of windows made from different materials. Special size and materials are al

plano-convex spherical lens, plano-concave spherical lens, bi-convex spherical lens, bi-concave spherical lens

*Material BK7 or other optical materials *Dimension Tolerance +0.0~-0.1mm *Center Thickness +/-0.1mm *Fo

*Material BK7 or other optical materials *Dimension Tolerance +0.0~-0.1mm *Center Thickness +/-0.1mm *Fo

Plano-convex cylindrical lens, plano-concave cylindrical lens, bi-convex cylindrical lens, bi-concave cylindri

Dia:226mm surface quality:60/40 material:k9 coating *Material BK7 or other optical materials *Dimension