---
product_id: 536197410
title: "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: "NT$2642"
currency: TWD
in_stock: true
reviews_count: 2
category: "Focus Foto"
url: https://www.desertcart.tw/products/536197410-lens-mount-adapter-ring-for-canon-eos-ef-ef-s
store_origin: TW
region: Taiwan
---

# Precision fit with zero lens wobble Manual aperture & focus control for creative mastery 100% metal mount for rock-solid durability 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:** NT$2642
**Availability:** ✅ In Stock

## Summary

> 🔗 Unlock your Canon legacy lenses with precision and style!

## Quick Answers

- **What is this?** 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?** NT$2642 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/536197410-lens-mount-adapter-ring-for-canon-eos-ef-ef-s)

## 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

- • **Wide Compatibility:** Seamlessly adapts Canon EF/EF-S lenses to EOS R series mirrorless cameras including R3, R5, R6 Mark II, R7, and more.
- • **Full Manual Control:** Supports Aperture Priority and Manual modes—take full creative command with manual focus and aperture adjustments.
- • **Precision Engineering:** Ensures perfect lens alignment with no play or wiggle, delivering sharp, consistent shots every time.
- • **Rock-Solid Metal Build:** Crafted from premium aluminium and brass for unmatched durability and a professional feel.
- • **Infinity Focus Guaranteed:** Designed to maintain exact registration distance, supporting CRC and floating element lenses flawlessly.

## Overview

The FocusFoto Lens Mount Adapter Ring is a robust, all-metal adapter that connects Canon EF and EF-S lenses to EOS R mirrorless cameras. Engineered for a precise fit with no lens play, it supports manual aperture and focus control, enabling photographers to creatively harness their legacy glass on modern Canon R-series bodies. Compatible with top-tier models like the R3, R5, and R6 Mark II, this adapter ensures infinity focus and full mechanical reliability without electronic automation.

## 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: Works fine
Review: Good when using manual focus on lens

## 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 | #681,921 in Electronics ( See Top 100 in Electronics ) #1,285 in Tripod Camera Mounts & Clamps |
| Box Contents | 1* Lens Adapter Ring |
| Brand | FocusFoto |
| Brand Name | FocusFoto |
| Colour | Black |
| Compatible Devices | Camera |
| Customer Reviews | 3.5 out of 5 stars 7 Reviews |
| Exposure Control Type | Aperture Priority, Manual |
| Folded Size | Small |
| Item Weight | 0.07 Kilograms |
| Manufacturer | focusfoto |
| 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

- **Color:** Black
- **Brand:** FocusFoto
- **Compatible Devices:** Camera
- **Item Weight:** 0.07 Kilograms

## Images

![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)
![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)
![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)
![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)
![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

### ⭐⭐⭐⭐⭐ Works fine
*by N***V on 26 February 2026*



### ⭐⭐⭐⭐⭐ Good when using manual focus on lens
*by A***R on 16 November 2024*



## 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
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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-03-23*