--- product_id: 413657996 title: "FOTGA M42-EOSR Lens Adapter Converter Ring for M42 Lens Compatible with Canon EOS R R3 R5 R5C R6 Mark II R7 R8 R10 R50 R100 RP EOSR Mount Mirrorless Camera" brand: "focusfoto" price: "KD 13.48" currency: KWD in_stock: true reviews_count: 5 category: "Focus Foto" url: https://www.desertcart.com.kw/products/413657996-fotga-m42-eosr-lens-adapter-converter-ring-for-m42-lens store_origin: KW region: Kuwait --- # Precise fit with zero wobble Infinity focus with CRC lens support Full metal build for durability FOTGA M42-EOSR Lens Adapter Converter Ring for M42 Lens Compatible with Canon EOS R R3 R5 R5C R6 Mark II R7 R8 R10 R50 R100 RP EOSR Mount Mirrorless Camera **Brand:** focusfoto **Price:** KD 13.48 **Availability:** ✅ In Stock ## Summary > 🔗 Unlock Vintage Lens Magic on Your Canon RF Mirrorless! ## Quick Answers - **What is this?** FOTGA M42-EOSR Lens Adapter Converter Ring for M42 Lens Compatible with Canon EOS R R3 R5 R5C R6 Mark II R7 R8 R10 R50 R100 RP EOSR Mount Mirrorless Camera by focusfoto - **How much does it cost?** KD 13.48 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/413657996-fotga-m42-eosr-lens-adapter-converter-ring-for-m42-lens) ## 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 - • **Manual Mastery:** Supports AV/M modes with full manual aperture and focus control for creative freedom. - • **Infinity Focus Precision:** Engineered to maintain correct registration distance, perfect for CRC and floating element lenses. - • **Seamless Lens Integration:** Zero backlash or gaps ensures your M42 lens mounts perfectly every time. - • **Rock-Solid Metal Construction:** Crafted from aluminum and brass for unmatched durability and premium feel. - • **Universal Canon RF Compatibility:** Works flawlessly with all Canon EOS R series mirrorless cameras, unlocking vintage lens potential. ## Overview The FOTGA M42-EOSR Lens Adapter is a precision-engineered, full-metal converter ring that allows photographers to mount classic M42 screw lenses onto Canon EOS R series full-frame mirrorless cameras. It guarantees a secure, wobble-free fit and maintains infinity focus, supporting manual aperture and focus control modes. Ideal for creatives seeking to blend vintage optics with modern camera technology. ## Description Special features: Solid full metal adapter allows the M42 42mm screw lens to Canon EOSR RF Mount Series Full Frame Mirrorless Camera Body Supports AV / M mode. There is no electronic element in the adapter, aperture and focusing must be controlled manually. Although the lens fits physically, automatic diaphragm, autofocus or other functions will not work correctly while using this adapter. Material: aluminium and brass. PRECISE FIT & SOLID CONNECTION Lens has no backlash, no gap or wobble when mounted on adapters and no adjustments are required to adjust your lens. Designed to achieve infinity focus while maintaining the correct registration distance required to obtain CRC lenses or lenses with floating elements Compatible with: For all Canon RF mount mirrorless cameras, such as EOS R, EOS RP, EOS R5, EOS R6 (Not suitable for Canon EOS EF mount film/digital SLR cameras and EOS M EF-M mount cameras) For all M42 threaded lenses (outer diameter 42 mm/inner diameter 41 mm), also called Praktica thread or Pentax thread. Warm tips: 1. If you use Canon EOSR mirrorless full frame camera, you cannot press the shutter button (or have been reminded that the lens is installed incorrectly), you can set the "shutter release 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 focus, composition and measurement are easy to control, convenient and fast. 3. You can use the MF zoom focus function (generally soft button 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 by manual. Package includes: 1 x Lens Adapter Review: It does its job , Review: OK. ## Features - Solid full metal adapter allows the M42 42mm screw lens to Canon EOSR RF Mount Series Full Frame Mirrorless Camera Body - Supports AV / M mode. There is no electronic element in the adapter, aperture and focusing must be controlled manually. - Although the lens fits physically, automatic diaphragm, autofocus or other functions will not work correctly while using this adapter. - Material: Aluminum and Brass Precise Fit & Solid Connection: Lens has no backlash, no gap or wobble when mounted on adapter and no adjustments are required to adjust your lens. - Designed to achieve infinity focus while maintaining the correct registration distance required to obtain CRC lenses or lenses with floating elements ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08G4VD38C | | Best Sellers Rank | #149,109 in Electronics ( See Top 100 in Electronics ) #1,063 in SLR Camera Lenses | | Item model number | M42-EOSR | | Manufacturer | Fotga | | Package Dimensions | 7.1 x 7 x 3.4 cm; 100 g | ## Images ![FOTGA M42-EOSR Lens Adapter Converter Ring for M42 Lens Compatible with Canon EOS R R3 R5 R5C R6 Mark II R7 R8 R10 R50 R100 RP EOSR Mount Mirrorless Camera - Image 1](https://m.media-amazon.com/images/I/71RUCbsWVrL.jpg) ![FOTGA M42-EOSR Lens Adapter Converter Ring for M42 Lens Compatible with Canon EOS R R3 R5 R5C R6 Mark II R7 R8 R10 R50 R100 RP EOSR Mount Mirrorless Camera - Image 2](https://m.media-amazon.com/images/I/71xjTL5BEqL.jpg) ![FOTGA M42-EOSR Lens Adapter Converter Ring for M42 Lens Compatible with Canon EOS R R3 R5 R5C R6 Mark II R7 R8 R10 R50 R100 RP EOSR Mount Mirrorless Camera - Image 3](https://m.media-amazon.com/images/I/71SSV025BbL.jpg) ![FOTGA M42-EOSR Lens Adapter Converter Ring for M42 Lens Compatible with Canon EOS R R3 R5 R5C R6 Mark II R7 R8 R10 R50 R100 RP EOSR Mount Mirrorless Camera - Image 4](https://m.media-amazon.com/images/I/71PSBev2NOL.jpg) ![FOTGA M42-EOSR Lens Adapter Converter Ring for M42 Lens Compatible with Canon EOS R R3 R5 R5C R6 Mark II R7 R8 R10 R50 R100 RP EOSR Mount Mirrorless Camera - Image 5](https://m.media-amazon.com/images/I/71+6Bkgk5ML.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by G***G on 10 June 2024* It does its job , ### ⭐⭐⭐⭐⭐ Review *by J***Z on 18 November 2025* OK. ### ⭐⭐⭐⭐⭐ Review *by C***R on 26 May 2023* its a good enough value that I buy one for each vintage M-42 threaded lens that I have ## Frequently Bought Together - Fotga M42-EOSR Lens Mount Adapter Ring for M42 Screw Lens to Canon EOS R RP R5 R6 RF Mount Mirrorless Camera - Meike Metal Lens Adapter EF-EOSR Auto-Focus Mount Converter for Canon EF/EF-S Lens to EOS-R EOS-RP R5 R6 R7 R10 C70 and RED Komodo Cameras - Canon RF 50mm F1.8 STM Lens | Compact and Lightweight, Fast F1.8 Aperture, Compatible with all Canon EOS R Series Cameras, Black --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.kw/products/413657996-fotga-m42-eosr-lens-adapter-converter-ring-for-m42-lens](https://www.desertcart.com.kw/products/413657996-fotga-m42-eosr-lens-adapter-converter-ring-for-m42-lens) --- *Product available on Desertcart Kuwait* *Store origin: KW* *Last updated: 2026-05-23*