CANON FE to Sony E mount adapter. SPEED BOOSTER ULTRA 0.71x. High-quality adapter ring.
eBay
Camera lens Filter Adapter Ring Step Up or Down Ring Metal for 37mm lens - 28 30 34 40.5 43 46 49 52 55 58mm UV ND CPL Lens Hood
Aliexpress UK
ITEM FITS - Nikon F To M43. Add To Favourites. NOTHING TO EFFECT THE PERFORMANCE OF THE UNIT. -VERY GOOD CONDITION-.
eBay
FOTGA OEM4/3(AF) 4/3 to M4/3 Camera Adapter Ring Auto Focus Lens Mount for Olympus 4/3 Mount Lens to G1 G2 G10 GF1 GF2 GF3
Aliexpress UK
This cinema-styled electronic adapter features a positive-lock lens mount that will ensure that your adapted lenses are secure and uses optics to reduce the effects of crop factor by making the lens 0.71x wider and simultaneously increasing the maximum aperture by about 1 stop.
eBay
1 Pc M42 Lens Adapter Metal Ring Adjustable Lens Adaptor Connecting Ring For Canon EF 5DIII 5DII 5D 6D 7D 60D
Aliexpress UK
This came off a PL-E mount adapter i think, but should work with any of Metabones mounts.
eBay
K&F Concept FD to Nex E Mount Lens Mount Adapter for Canon FD FL Mount Lens to E NEX Mount for Sony E Pro Mount Camera Adapter
Aliexpress UK
Metabones Speedbooster Ultra Canon EF to Sony E mount T Adapter 0.71x. Condition is Used. Dispatched with Royal Mail Tracked 48.
eBay
Fotorgear for Xiaomi's 14 Ultra Professional Photography kit,Lens Cover,67mm Filter Adapter Ring ,T-Mount/17mm Lens Adapter Ring
Aliexpress UK
EF-MF3 smart adapter.
eBay
Lightdow Lens Adapter Ring T2 T Mount Adapter for Telephoto Lens for Canon Nikon Sony Olympus Samsung FUJI Camera
Aliexpress UK
Dust inside lenses, even new ones, won't affect images. If you plan to use them professionally, service or cleaning is advised. Expect reasonable functionality and optics without noticeable issues, unless specified.
eBay
VILTROX NF-Z NIKKOR F Lens Nikon Z Camera Mount Adapter Autofocus Full Frame Lens Adapter for Nikon Z6 II Z7 Z9 Z50 Z30 ZFC
Aliexpress UK
eBay
42mm M42-NEX Screw Mount Lens to E Mount Adapter Adjustable M42 Lens to Adapter for SONY NEX7 NEX6 NEX5 NEX3 A7 A6000 A5000
Aliexpress UK