High End Filter: Gold thread knurled frame, showing the grade, is the ideal choice for you. Principle of Star Light Mirror: Star light lens is a kind of camera filter with luminescent point as the center, which is a series of equal lines etched regularly on the of colorless optical glass, resulting in the formation of a radiant effect after the diffraction of light. This is a kind of necessary effect mirror for stage or night scenery, which can play an extraordinary role in the picture. Double Frame Rotating Design: Thin adjustable star light filter, 360 degrees rotating frame, can adjust the position of the star. Widely Used: Can be applied to jewelry, night scenery, stage, glass and other reflective objects, to help you record a better scene. High Definition Coating: HD coating, reduce stray light int, anti scratch, anti oil, waterproof; We offer you better products.