![Amazon.com : FocusFoto Pro Built-in Aperture Control Lens Mount Adapter Ring for CAN0N EOS EF Lens to Olympus Pen Panasonic Lumix Micro Four Thirds (MFT, M4/3, Micro 4/3) Mount Mirrorless Camera Body Amazon.com : FocusFoto Pro Built-in Aperture Control Lens Mount Adapter Ring for CAN0N EOS EF Lens to Olympus Pen Panasonic Lumix Micro Four Thirds (MFT, M4/3, Micro 4/3) Mount Mirrorless Camera Body](https://m.media-amazon.com/images/I/61GmCAhfrQL.jpg)
Amazon.com : FocusFoto Pro Built-in Aperture Control Lens Mount Adapter Ring for CAN0N EOS EF Lens to Olympus Pen Panasonic Lumix Micro Four Thirds (MFT, M4/3, Micro 4/3) Mount Mirrorless Camera Body
![TTartisan 50mm F2 Manual Focus Lens Clicked Aperture Ring For M4/3 Mount Camera 6973251731402 | eBay TTartisan 50mm F2 Manual Focus Lens Clicked Aperture Ring For M4/3 Mount Camera 6973251731402 | eBay](https://i.ebayimg.com/images/g/3h8AAOSwnlZi0OlV/s-l500.jpg)
TTartisan 50mm F2 Manual Focus Lens Clicked Aperture Ring For M4/3 Mount Camera 6973251731402 | eBay
![Viltrox Nf-fx1 Camera Lens Adapter W/ Mount Adjustable Aperture Ring For Nikon G&d Lens To Fuji X-t2 X-t20 X-e3 X-a20 X-pro2 E2s - Lens Adapter - AliExpress Viltrox Nf-fx1 Camera Lens Adapter W/ Mount Adjustable Aperture Ring For Nikon G&d Lens To Fuji X-t2 X-t20 X-e3 X-a20 X-pro2 E2s - Lens Adapter - AliExpress](https://ae01.alicdn.com/kf/HTB1y8S.wruWBuNjSszgq6z8jVXaq/Viltrox-NF-FX1-Camera-Lens-Adapter-w-Mount-Adjustable-Aperture-Ring-for-Nikon-G-D-Lens.jpg_Q90.jpg_.webp)
Viltrox Nf-fx1 Camera Lens Adapter W/ Mount Adjustable Aperture Ring For Nikon G&d Lens To Fuji X-t2 X-t20 X-e3 X-a20 X-pro2 E2s - Lens Adapter - AliExpress
![TTartisan 50mm F2 Manual Focus Lens Clicked Aperture Ring F Sony E-mount Camera 6973251731372 | eBay TTartisan 50mm F2 Manual Focus Lens Clicked Aperture Ring F Sony E-mount Camera 6973251731372 | eBay](https://i.ebayimg.com/images/g/UY4AAOSwKMBi9jY3/s-l1600.jpg)
TTartisan 50mm F2 Manual Focus Lens Clicked Aperture Ring F Sony E-mount Camera 6973251731372 | eBay
![how to tell if the aperture ring is working on a manual lens?: Micro Four Thirds Talk Forum: Digital Photography Review how to tell if the aperture ring is working on a manual lens?: Micro Four Thirds Talk Forum: Digital Photography Review](https://2.img-dpreview.com/files/g/TS560x560~557458.jpg)
how to tell if the aperture ring is working on a manual lens?: Micro Four Thirds Talk Forum: Digital Photography Review
![Front view macro shot of a vintage photography fast aperture prime lens with inscribed indented markings on silver aperture ring and black metal barrel Stock Photo | Adobe Stock Front view macro shot of a vintage photography fast aperture prime lens with inscribed indented markings on silver aperture ring and black metal barrel Stock Photo | Adobe Stock](https://as2.ftcdn.net/v2/jpg/03/29/88/73/1000_F_329887340_9vx0kxq4FmBAnpDo7u6ay1MERIKV5dX5.jpg)
Front view macro shot of a vintage photography fast aperture prime lens with inscribed indented markings on silver aperture ring and black metal barrel Stock Photo | Adobe Stock
![Closeup Details Of Camera Lens, Aperture Ring With F-stop Number Stock Photo, Picture And Royalty Free Image. Image 34593779. Closeup Details Of Camera Lens, Aperture Ring With F-stop Number Stock Photo, Picture And Royalty Free Image. Image 34593779.](https://previews.123rf.com/images/norgal/norgal1412/norgal141200220/34593779-closeup-details-of-camera-lens-aperture-ring-with-f-stop-number.jpg)
Closeup Details Of Camera Lens, Aperture Ring With F-stop Number Stock Photo, Picture And Royalty Free Image. Image 34593779.
![Amazon.com : Novoflex Adapter with Manual Aperture Control Ring for all Nikon G Lenses to Micro Four Thirds Body (MFT/NIK) : Camera Lens Adapters : Electronics Amazon.com : Novoflex Adapter with Manual Aperture Control Ring for all Nikon G Lenses to Micro Four Thirds Body (MFT/NIK) : Camera Lens Adapters : Electronics](https://m.media-amazon.com/images/I/712IMueb3+L._AC_UF894,1000_QL80_.jpg)
Amazon.com : Novoflex Adapter with Manual Aperture Control Ring for all Nikon G Lenses to Micro Four Thirds Body (MFT/NIK) : Camera Lens Adapters : Electronics
![lens - What is the little metal piece attached to the aperture ring in some Zeiss lenses? - Photography Stack Exchange lens - What is the little metal piece attached to the aperture ring in some Zeiss lenses? - Photography Stack Exchange](https://i.stack.imgur.com/XmG4I.jpg)