Fotodiox DLX Stretch Lens Adapter - Compatible with Leica R (LR) Mount Lens to Canon RF Mount Mirrorless Cameras with Macro Focusing Helicoid and Magnetic Drop-In Filters Lens Mount_Nikon S-Mount the bulbous front lens element

the bulbous front lens element and lack of threads make it impossible to add filters - until WonderPana

controlling spillage

easy to transport & durable due to the use of PC hollow material and a metal heat sink

Composition screen has dovetail tracks for various focusing accessories

and photogenic enough to include in a scene

Fotodiox DLX Stretch Lens Adapter - Compatible with Leica R (LR) Mount Lens to Canon RF Mount Mirrorless Cameras with Macro Focusing Helicoid and Magnetic Drop-In Filters Lens Mount_Nikon S-Mount the bulbous front lens elementDescription Specs Compatibility Notes Product Highlights: Mounts vintage Lenses to Canon RF Mount Mirrorless Cameras; infinity focus or beyond allowed Built in focusing helicoid provides macro focus for any lens as well as correction for back focus Precise fit and solid connection; lens has no play, gap or wiggling when mounted on adapter Precision all metal construction with chrome plated brass mounts for secure and solid fit Limited 2 Year