# Lens Adapter Canon Canon Mount Adapter EF-EOS R

**URL:** https://aio.lv/en/product--canon-2971c005--1961545
**Data updated:** 2025-12-29 10:29 (EET)
**Category:** Camera Lenses
**Manufacturer:** Canon
**Manufacturer code:** 2971C005
**EAN:** 4549292115703
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 104.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 86.77 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--canon-2971c005--1961545

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.06.2026 | free |
| Pickup points | 03.07.2026 | 1.99 EUR |
| Courier delivery to door | 03.07.2026 | 4.99 EUR |

## Summary description

The Canon Mount Adapter EF-EOS R allows you to use Canon EF lenses on Canon RF mount cameras. It features a compact design with a length of 24 mm and a weight of 110 g. This adapter maintains full electronic communication between the lens and camera, ensuring optimal performance. Its black finish complements your camera setup, making it a practical addition for photographers looking to expand their lens options.

## Long description

Connect EF-mount lenses to EOS R system cameras using the Lens Adapter Canon Mount Adapter EF-EOS R. Designed to preserve the performance and electronic communication of EF lenses when mounted on RF-mount bodies, this adapter measures 24 mm in length, weighs 110 g and has a black finish. The adapter is weather-sealed against dust and moisture to support outdoor and location work while retaining autofocus and exposure control between lens and camera.
Advantages
The adapter maintains full electronic communication between lens and camera for autofocus, image stabilisation (if present in the lens), aperture control and EXIF transmission. Its compact and lightweight design (24 mm length, 0.11 kg) keeps handling balanced and minimizes additional bulk on the camera. Weather-sealing helps protect the connection from dust and moisture during field use.
Suitable for
 Photographers who want to use Canon EF lenses on EOS R / RF-mount cameras
 Location and outdoor shooting where weather resistance is beneficial
 Users preserving lens collections while switching to mirrorless EOS R bodies
 Situations requiring maintained autofocus and electronic controls
Key specifications
 Mount compatibility: Canon EF to Canon RF (EOS R)
 Length: 24 mm
 Weight: 0.11 kg (110 g)
 Colour: Black
 MPN: 2971C005
 EAN: 4549292115703
How to use
Align the red/white index marks on the EF lens and the adapter, attach the lens to the adapter and rotate until it locks. Then mount the adapter with the attached lens onto the EOS R camera body and rotate until it clicks in place. Turn on the camera and verify lens communication in the camera’s menu; the camera will control autofocus, aperture and stabilisation according to lens capabilities.
Usage recommendations
Use the adapter when you need to access existing EF lenses on RF-mount bodies, and check lens firmware and camera firmware for optimal compatibility. Avoid exposing contacts to dirt; store the adapter with caps when not in use and inspect seals periodically if shooting in harsh conditions.

## Specifications

| Feature | Value |
|---|---|
| Lens adapter mount interface | Canon EF / EOS |
| Adapting lens interface | Canon RF |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.11 kg |
| Length | 24 mm |

### Other features

| Feature | Value |
|---|---|
| Width | 71.2 mm |

### Performance

| Feature | Value |
|---|---|
| Compatibility | Canon EOS R |

### Design

| Feature | Value |
|---|---|
| Product colour | Black |

## FAQ

### How much does the Lens Adapter Canon Canon Mount Adapter EF-EOS R cost, and is it available for purchase?

The price is 104.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 80 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 30.06.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Lens Adapter Canon Canon Mount Adapter EF-EOS R be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Canon products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Canon service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/1961545/54143616_large.webp