1Why Choose professional camera accessory manufacturer. Dedicated to provide products in high quality & good price. Made of metal sealing ring, much tighter. Laser fonts, much durable Meet Environmental Standards of RoHS Function Converts the thread size of your lens to the thread size of any other accessory (such as filters, hoods, flashes and lens converters) Easily screws onto the front of lens of the same thread Feature Brand new & high quality Solid and light-weight Great tightness, no wobbling or cross-threading Superfine frame polished with strict surface treatment Application Fits any lens with the same filter thread; manual or autofocus, digital or film.

The first number is always the lens thread size, the second number is the filter size of the accessory. If the first number is bigger, it's a step-down ring.
Package Included: 1 x 82mm to 77mm step-down ring 1 x 77mm to 72mm step-down ring 1 x 72mm to 67mm step-down ring 1 x 67mm to 62mm step-down ring 1 x 62mm to 58mm step-down ring 1 x 58mm to 55mm step-down ring 1 x 55mm to 52mm step-down ring 1 x 52mm to 43mm step-down ring 1 x 43mm to 37mm step-down ring 1 x 37mm to 30mm step-down ring 1 x 30mm to 26mm step-down ring