【Compatibility】The first size is the size of the lens(37mm), and the second size is the size of the filter(28/30/30.5/34/40.5/42/43/46/49/52/55/58/62mm) 【Material】Aluminum alloy,high strength,impact resistance,distortion and pressure 【Surface】High mesh mechanical sand blasting,Environmental protection anodizing 【Function】Small lenses can be equipped with large-sized filters, while large-sized lenses can be equipped with small-sized filters, saving the trouble of replacing lenses 【Package included】filter adapter ring*1 Description: The filter adapter ring can be easily screwed onto the front of all lenses and can adjust the size of your lens line to match the line size of other accessories such as filters, shields, flashlights, and lens converters. For example, by placing an 37-62mm adapter ring on the lens, connecting a 62mm filter on the 37mm lens, and then tightening the filter with screws on the stepper ring.
The first number is always the size of the lens screw. The second number is the filter size. If the first number is small, it is a step up ring, and if the first number is large, it is a step down ring.
Specifications:
Material:Anodized aluminum
Color: Black
Package content:
1 * adapter ring
Note: Please confirm the lens size of the camera in your hand. The lens line size of the camera you are using is displayed somewhere on the lens barrel or printed under the lens cover. This number must be preceded by the symbol 'Ø' (diameter). For example, Ø 37=37mm lens screw size