1. Special aviation aluminum alloy, high strength, impact resistance, twist and pressure. Machining process.
2. Surface treatment: high-mesh sand blasting machine and color quality pure matte black or silver. Ultra-low chemical residues, attached to a solid!
3. Font Handling: Font clear mission, silk screening of non-mimeo, attached to a solid!
steap down and up Lens fitler adapte ring.
46-49mm,49-52mm 52-55mm, 55-62mm, 62-67mm, 67-72mm, 72-77mm, 77-82mm,46-52mm 46-55mm etc…
82-77mm, 77-72mm, 72-67mm, 67-62mm, 62-55mm, 55-52mm 52-49mm,49-46mm…
you can chooe the one you want, like choose color (49mm to ) and size (52mm),it mean 49mm to 52mm,it means you can use 52mm filter on 49mm lens