--- product_id: 566284098 title: "FocusFoto Lens Mount Adapter Ring for Canon EOS EF EF-S Mount Lens to EOS R RF-Mount Mirrorless Camera, Compatible with Canon R3 R5 R5C R6 Mark II R7 R10 RP Camera" brand: "focusfoto" price: "Β£29.69" currency: GBP in_stock: true reviews_count: 2 category: "Focus Foto" url: https://www.desertcart.co.uk/products/566284098-focusfoto-lens-mount-adapter-ring-for-canon-eos-ef-ef store_origin: GB region: United Kingdom --- # Precision fit with zero lens wobble Supports infinity focus & CRC lenses Full metal mount for rock-solid durability FocusFoto Lens Mount Adapter Ring for Canon EOS EF EF-S Mount Lens to EOS R RF-Mount Mirrorless Camera, Compatible with Canon R3 R5 R5C R6 Mark II R7 R10 RP Camera **Brand:** focusfoto **Price:** Β£29.69 **Availability:** βœ… In Stock ## Summary > πŸ”— Unlock your Canon legacy lenses with precision and style! ## Quick Answers - **What is this?** FocusFoto Lens Mount Adapter Ring for Canon EOS EF EF-S Mount Lens to EOS R RF-Mount Mirrorless Camera, Compatible with Canon R3 R5 R5C R6 Mark II R7 R10 RP Camera by focusfoto - **How much does it cost?** Β£29.69 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/566284098-focusfoto-lens-mount-adapter-ring-for-canon-eos-ef-ef) ## Best For - focusfoto enthusiasts ## Why This Product - Trusted focusfoto brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Manual Mastery Mode:** Supports Aperture Priority (Av) and Manual (M) modes for creative control. - β€’ **Pinpoint Precision Fit:** No play, no wiggleβ€”just a flawless, secure lens connection every time. - β€’ **Unbreakable Metal Build:** Crafted from premium aluminium and brass for a lifetime of rugged use. - β€’ **Infinity Focus Guaranteed:** Engineered to maintain perfect registration distance for flawless sharpness. - β€’ **Universal Canon Compatibility:** Seamlessly adapts EF/EF-S lenses to the latest EOS R mirrorless lineup. ## Overview The FocusFoto Lens Mount Adapter Ring is a robust, full-metal adapter designed to connect Canon EF and EF-S lenses to EOS R RF-mount mirrorless cameras. It offers a precise, wobble-free fit and supports manual aperture and focus control, ensuring infinity focus and compatibility with CRC lenses. Ideal for photographers who want to extend the life of their EF glass on cutting-edge Canon mirrorless bodies. ## Description Features: Solid full metal mount lens adapter fit for Canon EOS EF EF-S Mount Lens to EOS R RF-Mount Mirrorless Camera, Compatible with Canon R3 R5 R5C R6 Mark II R7 R10 RP Camera. Supports AV / M mode. There is no electronic element in the adapter, aperture and focusing must be manually control. Although the lens will fit physically, automatic diaphragm, auto-focusing, or any other functions will not operate correctly while using this adapter. Material: Aluminium and brass. Precise fit and solid connection - lens has no play, gap or wiggling when mounted on adapter and no adjustments are required to fit your lens. Designed to reach infinity focus while maintaining the correct registration distance required to support CRC lenses or lenses with floating elements. Compatible with For Canon EOS R series mirrorless cameras, such as EOS R, EOS RP, EOS R5, EOS R5C, EOS R6, EOS R6 Mark II, EOS R7, EOS R10, EOS R3 (Not suitable for Canon EOS EF mount film / digital SLR cameras and EOS M EF-M mount cameras) For Canon EOS EF EF-S Mount Lens Tips: 1. When using for Canon EOSR full-frame mirrorless camera, if you can't press the shutter (or was reminded that the lens is installed incorrectly), you can adjust the "release shutter without lens" or " shutter priority (TV)" and other related settings in the custom settings . 2. This is a manual adapter, you can also use LCD to assist to focus, composition and metering are easy to control, convenient and fast! 3. You can use the MF zoom focus function (Generally soft key B, the button in the lower right corner), 7X or 14X zoom focus to achieve the focus function. 4. You can use M mode or A mode to shoot and enjoy the fun brought by manual! Package Include: 1 X Lens Adapter Review: Great adapter, tight and accurate. Review: This Canon EOS EF to RF mount adapter is well built and attaches snugly to the camera body. The flange-to-flange width of the adapter is 24mm (as is required to use an EF lens on an RF mount). IMPORTANT: this adapter has no electronics built in - it is only useful for manual focus. Great if your using it for astrophotography. ## Features - Solid full metal mount lens adapter fit for Canon EOS EF EF-S Mount Lens to EOS R RF-Mount Mirrorless Camera, Compatible with Canon R3 R5 R5C R6 Mark II R7 R10 RP Camera - Supports AV / M mode. There is no electronic element in the adapter, aperture and focusing must be manually control. - Although the lens will fit physically, automatic diaphragm, auto-focusing, or any other functions will not operate correctly while using this adapter. - Material: Aluminium and brass. Precise fit and solid connection - lens has no play, gap or wiggling when mounted on adapter and no adjustments are required to fit your lens. - Designed to reach infinity focus while maintaining the correct registration distance required to support CRC lenses or lenses with floating elements. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BTSR75TB | | Audio Recording | No | | Best Sellers Rank | #143,290 in Electronics ( See Top 100 in Electronics ) #3,566 in Camera Mounts & Clamps | | Brand | FocusFoto | | Built-In Media | 1* Lens Adapter Ring | | Color | Black | | Compatible Devices | Camera | | Customer Reviews | 3.4 3.4 out of 5 stars (7) | | Exposure Control Type | Aperture Priority (Av or A), Manual (M) | | Folded Size | Small | | Item Weight | 0.07 Kilograms | | Manufacturer | FocusFoto | | Manufacturer Part Number | SUNAB256 | | Maximum Shutter Speed | 30 Seconds | | Minimum Shutter Speed | 1 Seconds | | Shooting Modes | Aperture Priority, Manual | | Viewfinder Type | Electronic viewfinder (EVF) | | Water Resistance Level | Not Water Resistant | ## Product Details - **Brand:** FocusFoto - **Colour:** Black - **Compatible devices:** Camera - **Folded size:** Small - **Item weight:** 0.07 Kilograms ## Images ![FocusFoto Lens Mount Adapter Ring for Canon EOS EF EF-S Mount Lens to EOS R RF-Mount Mirrorless Camera, Compatible with Canon R3 R5 R5C R6 Mark II R7 R10 RP Camera - Image 1](https://m.media-amazon.com/images/I/71OG5TMX9DL.jpg) ![FocusFoto Lens Mount Adapter Ring for Canon EOS EF EF-S Mount Lens to EOS R RF-Mount Mirrorless Camera, Compatible with Canon R3 R5 R5C R6 Mark II R7 R10 RP Camera - Image 2](https://m.media-amazon.com/images/I/713JU9l+ADL.jpg) ![FocusFoto Lens Mount Adapter Ring for Canon EOS EF EF-S Mount Lens to EOS R RF-Mount Mirrorless Camera, Compatible with Canon R3 R5 R5C R6 Mark II R7 R10 RP Camera - Image 3](https://m.media-amazon.com/images/I/71dgxSLxTqL.jpg) ![FocusFoto Lens Mount Adapter Ring for Canon EOS EF EF-S Mount Lens to EOS R RF-Mount Mirrorless Camera, Compatible with Canon R3 R5 R5C R6 Mark II R7 R10 RP Camera - Image 4](https://m.media-amazon.com/images/I/71tdabXbQVL.jpg) ![FocusFoto Lens Mount Adapter Ring for Canon EOS EF EF-S Mount Lens to EOS R RF-Mount Mirrorless Camera, Compatible with Canon R3 R5 R5C R6 Mark II R7 R10 RP Camera - Image 5](https://m.media-amazon.com/images/I/71-SJ2nYbJL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by N***V on 26 February 2026* Great adapter, tight and accurate. ### ⭐⭐⭐⭐⭐ Review *by A***R on 16 November 2024* This Canon EOS EF to RF mount adapter is well built and attaches snugly to the camera body. The flange-to-flange width of the adapter is 24mm (as is required to use an EF lens on an RF mount). IMPORTANT: this adapter has no electronics built in - it is only useful for manual focus. Great if your using it for astrophotography. ## Frequently Bought Together - FocusFoto Lens Mount Adapter Ring for Canon EOS EF EF-S Mount Lens to EOS R RF-Mount Mirrorless Camera, Compatible with Canon R3 R5 R5C R6 Mark II R7 R10 RP Camera - Artman LP-E17 Battery 2-Pack and Rapid Dual USB Charger for Canon EOS R100 R50 RP R10 R8, Rebel T8i, T7i, T6i, T6s, SL2 SL3, M3, M5, M6, 77D 200D 250D 750D 760D 800D 8000D Digital SLR Camera - Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens, Compatible with EOS R Series Mirrorless Cameras, Black --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/566284098-focusfoto-lens-mount-adapter-ring-for-canon-eos-ef-ef](https://www.desertcart.co.uk/products/566284098-focusfoto-lens-mount-adapter-ring-for-canon-eos-ef-ef) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-22*