Vizelex Variable Magnification Helicoil Adapter Compatible with Nikon F Mount G Type Lenses on Canon EOS EF/EF S Cameras

Premium Grade 'No Play' Adapter, Top Notch Craftsmanship, Smooth and Precise Focusing Barrel Features Nikon F mount lens & body mount with a aperture control dial built-in for Nikon G-type lenses This Helicoid is useful for lenses without a focus ring and can offer fine focus control for macro photography The Helicoid movement goes from 4.5cm to 6.5cm, offering a total of 20mm movement for lens focusing Limited 2-Year Manufacturer Warranty