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Home  >Products   > Achromatic Lens > Achromatic 220mm F/12 > Achromatic 220mm F/12
Achromatic 220mm F/12
Achromatic 220mm F/12
 
Product Name:Achromatic 220mm F/12
Item No.: AL008
Description:
Clear Aperture
220mm
Focal Length
2700mm
Material
Optical crown and flint glasses
Structure
Air-spaced doublet
Color Correction
Achromatic
Surface Quality
(not worse) 60-40 scratch & dig
Surface Accuracy
(not worse) λ/2 P-V at 632.8nm
Coating
Multilayer broadband Anti-reflection Coating

                      

Size:

Achromatic 80mm F/6.25

Achromatic 150mm F/8

Achromatic 180mm F/6

Achromatic 203mm F/9

Achromatic 203mm F/6

 

Note: special size and coating are available upon request.