Unique design and compatibility - The Reverse Mount Ring lets you mount lenses with filter thread sizes of 49, 52, 55, 58, 62, 67, 72, or 77 mm to a Canon EOS EF-M SLR Camera Body in reverse, enabling macro photography with your existing lenses. Material and build - Made from aluminum alloy for durability and rigidity. - Deformation-resistant with corrosion resistance and a glossy finish. Function and practical use - By mounting the lens upside down, you convert a standard lens into a macro lens, allowing you to capture close-up details that are difficult with a regular setup. - This accessory expands your creative options without needing a dedicated macro lens. Important usage notice - Autofocus, automatic aperture, and AE metering will be disabled. - Manual focus and manual exposure are required. Shoot in Manual mode or Aperture Priority mode. Compatibility and specifications - Compatible with lenses that have filter threads of 49/52/55/58/62/67/72/77 mm. - Designed specifically for use with Canon EOS EF-M SLR Camera Body. use scenarios - Close-up macro photography of small subjects such as flowers, insects, textures, and jewelry to reveal fine details. - Small objects and product photography, enabling high magnification shots of coins, electronics components, and other intricate items. - Creative exploration and learning in macro technique, experimenting with focus, depth of field, and perspective by reversing different lenses.