Serial No.
|
HXl1121
|
Material
|
BK7/K9
|
Diameter
|
80mm/customize size
|
Focal length
|
220mm
|
Center thickness
|
10mm
|
Surface quality
|
20/10---80/50
|
Coating
|
Ar coated
|
inking
|
Suppose (as request)
|
Clear aperture
|
>98%
|
Applicaction
|
optical equipment
|