Fotodiox DLX Stretch Lens Adapter - Compatible with Pentax K Auto Focus (PK AF) Mount Lens to L-Mount Alliance Mirrorless Cameras with Macro Focusing Helicoid and Magnetic Drop-In Filters Compatible Mount_Multiblitz V Mounts Yashica 230 AF SLR

Mounts Yashica 230 AF SLR Lenses to Sony E-mount mirrorless cameras

The Sharkcage is both lightweight

α7/7R/7S III

Depending on the orientation of the light source and distance to the adapter

If you use a crop sensor camera

Fotodiox DLX Stretch Lens Adapter - Compatible with Pentax K Auto Focus (PK AF) Mount Lens to L-Mount Alliance Mirrorless Cameras with Macro Focusing Helicoid and Magnetic Drop-In Filters Compatible Mount_Multiblitz V Mounts Yashica 230 AF SLRDescription Specs Compatibility Notes Product Highlights: Mounts vintage Lenses to L Mount Alliance 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