--- product_id: 528739244 title: "Hersmay M42-EOSR M42 to EOS RF Lens Mount Adapter M42 Lens for Canon EOS R RP R5 R5C R6 R6II R7 R8 R10 R50 R100 Full Frame Mirrorless Camera" brand: "hersmay" price: "€ 30.19" currency: EUR in_stock: true category: "Hersmay" url: https://www.desertcart.be/products/528739244-hersmay-m42-eosr-m42-to-eos-rf-lens-mount-adapter store_origin: BE region: Belgium --- # Infinity focus precision for crystal-clear shots Full metal mount for rock-solid durability Manual aperture & focus control for creative mastery Hersmay M42-EOSR M42 to EOS RF Lens Mount Adapter M42 Lens for Canon EOS R RP R5 R5C R6 R6II R7 R8 R10 R50 R100 Full Frame Mirrorless Camera **Brand:** hersmay **Price:** € 30.19 **Availability:** ✅ In Stock ## Summary > 🔗 Bridge the vintage with the future—master your craft with Hersmay M42-EOSR Adapter! ## Quick Answers - **What is this?** Hersmay M42-EOSR M42 to EOS RF Lens Mount Adapter M42 Lens for Canon EOS R RP R5 R5C R6 R6II R7 R8 R10 R50 R100 Full Frame Mirrorless Camera by hersmay - **How much does it cost?** € 30.19 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/528739244-hersmay-m42-eosr-m42-to-eos-rf-lens-mount-adapter) ## Best For - hersmay enthusiasts ## Why This Product - Trusted hersmay brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Total Manual Control:** Unlock full creative freedom with manual aperture and focus—embrace the art of photography without electronic distractions. - • **Lightweight & Durable:** Crafted from premium aluminum and brass, this adapter balances robust build quality with featherlight portability for on-the-go pros. - • **Universal Compatibility:** Works flawlessly with all Canon EOS R full-frame mirrorless cameras including R5, R6, R7, R8, R10, and more—expand your lens arsenal instantly. - • **Precision Infinity Focus:** Designed to maintain exact registration distance, supporting CRC and floating element lenses for flawless sharpness at any distance. - • **Seamless M42 to Canon RF Fit:** Perfectly engineered metal adapter ensures zero play or wiggle, locking your vintage lenses firmly onto modern EOS R series bodies. ## Overview The Hersmay M42-EOSR adapter is a precision-engineered, full-metal mount that allows photographers to use classic M42 screw-mount lenses on Canon EOS R series full-frame mirrorless cameras. It supports manual aperture and focus control, maintains infinity focus for lenses with floating elements, and ensures a solid, wobble-free connection. Compatible with all RF mount EOS R cameras, this lightweight yet durable adapter empowers creative professionals to blend vintage optics with cutting-edge camera technology. ## Description Compatible with: For all mirrorless RF mount cameras such as EOS R, EOS RP, EOS R5 and EOS R6 (Not suitable for EOS EF Film/SLR cameras and EOS M EF-M cameras) For all M42 lenses with thread mounting (outer diameter 42 mm / inner diameter 41 mm), also known as Praktica thread or Pentax thread. Tips: 1. If you can't press the shutter release when using the EOS mirrorless full screen camera (or reminding that the lens is installed incorrectly), you can set the shutter "No lens release" or "Lock priority (TV)". "and other related settings in the custom settings. 2. This is a manual adapter. You can also use LCD to support focusing. Composition and measurement are easy to control, convenient and fast! 3. You can use the MF zoom focus function (generally soft key B, the button in the bottom right corner), the 7x or 14x zoom focus to achieve the focus function. 4. You can use the M mode or A mode to take photos and enjoy the fun brought through the manual! Package includes: 1 x M42-EOS R lens adapter. ## Features - Solid full metal mount lens adapter allows M42 42mm Screw Mount Lens to fit on 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 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 | B08CKR8HJ7 | | Best Sellers Rank | #468 in Camera Lens Adapters & Converters | | Customer Reviews | 4.4 4.4 out of 5 stars (58) | | Date First Available | July 8, 2020 | | Item Weight | 3.52 ounces | | Manufacturer | Hersmay | | Package Dimensions | 2.99 x 2.68 x 1.34 inches | ## Images ![Hersmay M42-EOSR M42 to EOS RF Lens Mount Adapter M42 Lens for Canon EOS R RP R5 R5C R6 R6II R7 R8 R10 R50 R100 Full Frame Mirrorless Camera - Image 1](https://m.media-amazon.com/images/I/61iPcZnDU7L.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - Hersmay M42-EOSR M42 to EOS RF Lens Mount Adapter M42 Lens for Canon EOS R RP R5 R5C R6 R6II R7 R8 R10 R50 R100 Full Frame Mirrorless Camera - Canon Mount Adapter EF-EOS R - Meike MK-RF-AF1 13mm + 18mm Metal AF Full Frame Macro Extension Tube Adapter Ring Kit for EOS-R Series Cameras RF Mount Cameras EOS-R EOS-RP --- ## 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.be/products/528739244-hersmay-m42-eosr-m42-to-eos-rf-lens-mount-adapter](https://www.desertcart.be/products/528739244-hersmay-m42-eosr-m42-to-eos-rf-lens-mount-adapter) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-10-23*