Nodal Ninja . F6401

Compatible with Sigma 8mm F3.5 Fisheye (EF Mount) V2.<p><b>The stock image may not reflect the actual item.</b> <br></p><p>Designed for use with the R1/R10 Pano Heads these lens ring clamps for fisheye lenses have become popular due to their compactness and ease of use. The lens ring clamps are built with special attention to the safety of the lens. </p><p><b>Features and Highlights</b></p><ul><li> The plastic insert is placed between the outer metal ring and the lens. It is contoured to fit the lens and hence increases the area of contact. </li><li> Large clamping area to reduce stress on the lens barrel, reducing the risk of damaging the lens. </li><li> Rolling the camera/lens in any position including the popular 0, 60, and 90-degree positions. </li><li> Index marks for every 90 degrees in the front and every 30 degrees at the back for easy alignment of roll of lens. </li><li> Permanently mounted to lens, making reproducible mounting possible, and much quicker to set up. </li><li> Compact and lightweight. </li><li> Arca Swiss Compatible quick release design can be mounted directly to other Arca Swiss compatible systems without using R1 or R10. </li><li> Great for use on a monopod or high pole. </li><li> Easy to install. </li><li> Optional advanced rail stop to remember NPP setting. </li></ul>