Features: <br>1. Made of high quality aluminum alloy material, solid, durable, wear resistant, and long life time. <br>2. Transform caliber adapter ring, which can be installed in front of the lens to achieve that different diameter share same diameter filter, hood, additional lens or other accessories. <br>3. Small-diameter outer thread of the ring is the connection end of the lens, while large-diameter internal thread can use a variety of same caliber filters UV, CPL, starlight mirror, gray mirror, close-up lens hood, etc. <br>4. Lightweight and portable. Easy to install. <br>5. They are small turn up conversion caliber adapter rings. <br> <br>Specifications: <br>Material: Aluminum Alloy <br>Color: Black <br>Applicable Model: General <br> <br>Packing List: <br>1 * 49mm-52mm Adapter Ring <br>1 * 52mm-55mm Adapter Ring <br>1 * 55mm-58mm Adapter Ring <br>1 * 58mm-62mm Adapter Ring <br>1 * 62mm-67mm Adapter Ring <br>1 * 67mm-72mm Adapter Ring <br>1 * 72mm-77mm Adapter Ring <br>1 * 77mm-82mm Adapter Ring<br>1、Made of high quality aluminum alloy material, solid, durable, wear resistant, and long life time. <br>2、Transform caliber adapter ring, which can be installed in front of the lens to achieve that different diameter share same diameter filter, hood, additional lens or other accessories. <br>3、Small?diameter outer thread of the ring is the connection end of the lens, while large?diameter internal thread can use a variety of same caliber filters UV, CPL, starlight mirror, gray mirror, close?up lens hood, etc. <br>4、Lightweight and portable. Easy to install. <br>5、They are small turn up conversion caliber adapter rings.