Description
Multi-layer optical coating，eliminates urban mercury and sodium lamps artificial light pollution, clearer celestial objects, higher the nebula contrast and astronomical photography image quality..1.25 inch telescope filter, standard thread M28.5x0.6mm, compatible with astronomical eyepieces and astrophotography electronic eyepieces, rotary docking.Aluminum alloy frame, high-transparency optical glass, lightweight and durable, exquisite and environmentally friendly packaging materials.Stacks frame structure design, different filters can be connected in series, different functions of filters can be superimposed.Advanced manufacturing technology, uniform layer, high light transmittance, ultrasonic cleaning and dust removal, waterproof coating.Choose wisely, and the universe will be your endless canvas
