This 250/1200 Newtonian mirror is made by SkyWatcher, has a paraboloid design with minimum diffraction limiting quality.
We recommend it for telescope builders!With its f/4.8 brightness, for example, it can be used to build a high-performance astrophotography instrument. The pyrex glass material main mirror has an aluminium coating with a reflectivity of approximately 90-94% and a quartz protective layer.

