Survey Prism 1. 12 years' experience 2. Professional manufacturer 3. High quality 4. Competitive price

Survey Prism:

We are the manufacturer of optical line, that is widely used in kinds of surving equipment /camera line/

lensmeter/Refractometer/Microscope/Electric Total Station/luminance colorimeter and so on.

Specification 

Material	BK7 or others
Diameter Tolerance	±0.02mm
Thickness Tolerance	±0.05mm
Surface Accuracy	2λ~λ/10
Surface Quality	80/50~10/5
Centration	3' ~30''
Clear aperture	>90
Coating	According to the customer's demand