Features: 1. No need to buy extra macro lens, it can change your mid-focus lens into micro lens. 2. Just reversely connect it to the machine body, so you can achieve the normal lens micro shooting effect. 3. It is generally used for DSLR camera reverse lens, for doing macro shooting. 4. Suitable for Canon EOS -52mm, EOS-55mm, EOS-58mm. 5. Made of premium aluminium alloy material, it is lightweight, solid and durable. Specification: Condition:100% Brand New Material: Aluminium alloy Color: As Pictures Shown Conversion caliber: EOS mount Type: EOS-52mm, EOS-55mm, EOS-58mm(optional) Package list: 1 * Adapter Ring Note: 1. After connecting, the lens cannot be automatically focused, and the aperture is all manual (please make sure whether your lens has manual aperture control before purchasing). 2. Please remove the connecting ring after close the machine body. Or else, you have to suffer the consequences by your own. 3. Due to the large magnification and short focusing range after the inverted connection, the camera needs to move back and forth to find the focus, so this connection ring is suitable for more patient players to use. It is better to matched with macro bracket for conveniently focusing.