Vizelex ND Throttle Lens Adapter - Compatible with Nikon F Mount G-Type D/SLR Lenses to Samsung NX Mount Mirrorless Cameras with Built-In Variable ND Filter (2 to 8 Stops) throttle Mounts Olympus Digital Zuiko OM

Mounts Olympus Digital Zuiko OM 4/3 (OM4/3) Lenses to Micro Four Thirds (MFT) mount mirrorless cameras

Mounts Nikon Nikkor S Rangefinder Lenses to Fujifilm X-series mirrorless cameras

4 lb (6 oz) Manufacturer Fotodiox Inc

High-tolerance precision craftsmanship

This adapter will severely vignette when the iris is closed all the way down

Vizelex ND Throttle Lens Adapter - Compatible with Nikon F Mount G-Type D/SLR Lenses to Samsung NX Mount Mirrorless Cameras with Built-In Variable ND Filter (2 to 8 Stops) throttle Mounts Olympus Digital Zuiko OMDescription Specs Compatibility Notes Product Highlights: Mounts a Vast Range of Vintage Workhorse Lenses to Modern Digital Cameras Built in Variable Neutral Density Filter ND4 256 (2 8 stops) for easy and convenient image control over any lens that you attach Enhanced craftsmanship and high tolerance construction for demanding professionals; infinity focus or beyond guaranteed Precise fit, solid all metal connection with chrome plated brass mounts