CM-150 Screen Centering Microscope for Lab Centration Inspection
Instrument Features High accuracy. 15″ per division. Fixed reticle graduation. The reticle graduation of the instrument is always maintained at 15″ per division…
View details →High Precision D150F750 Parabolic Objective Lens Primary Mirror for Newtonian Reflection Astronomical Telescope
Specifications:
Diameter: 150mm
Focal Length: 750mm
Edge Thickness: 18mm
Accuracy: pv 1/6-1/8λ
Coating: Aluminum coating, Protective film
The aluminum coating is added with a silica protective film, it can be used for 8-10 years under moisture-proof storage.





