Canon

Canon 6098B002 EOS M Mount Adapter (EF/EF-S Lenses)

4.8 (1203 reviews)

Turn your entire EF and EF-S glass collection into a creative arsenal on the compact EOS M system — full autofocus and IS included.

$179.00*$199.00Save 10%
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Canon EOS M Mount Adapter exists to solve a specific problem: the EOS M mirrorless system launched with a small native lens selection, but Canon had decades of outstanding EF and EF-S glass already on shelves. This adapter bridges that gap with zero optical compromise — there are no glass elements inside, so every adapted lens delivers the same sharpness, contrast, and color rendition it would on a full-size EOS body. Whether you're mounting a nifty fifty for street portraits or a 100-400mm for birding, the image quality is entirely lens-dependent, exactly as it should be.

In the hand, the adapter feels substantial and well-machined. The bayonet locks engage with satisfying precision on both the lens and body side, and there's no wobble or rotational play once seated. The removable tripod mount is a thoughtful inclusion — it transforms the handling of heavy lens setups from precarious to practical, distributing weight through the adapter rather than stressing the EOS M's compact lens mount. For photographers who invested in Canon glass before going mirrorless, this adapter is less of an accessory and more of a system-enabling necessity that makes the EOS M a genuinely versatile creative tool.

Key Features

Country of Origin:United States

Package length:12.7"

Package width:12.7"

Package height:13.46"

Specifications

Brand
Canon
Model
6098B002
Compatible Lenses
Canon EF and EF-S
Compatible Bodies
Canon EOS M series
Optical Elements
None
Autofocus Support
Yes
Image Stabilization Support
Yes
Tripod Mount
Removable, included
Lens Range Supported
8mm–800mm

Pros & Cons

👍 Pros

  • Opens access to Canon's entire EF and EF-S lens library — decades of glass from 8mm fisheyes to 800mm super-telephotos — for the compact EOS M body
  • Maintains full autofocus, image stabilization, and aperture control with no optical elements to degrade image quality
  • Removable tripod mount provides a stable balance point when using heavy telephoto lenses for wildlife or sports shooting
  • Solid metal construction and precise bayonet fit inspire confidence that the lens-adapter-body connection won't introduce play or flex

👎 Cons

  • Adds significant length to the setup, reducing the compact advantage that makes the EOS M system appealing for street and travel work
  • Autofocus speed is limited by the EOS M body's contrast-detect AF system, which can hunt noticeably with fast-moving subjects
  • The adapter is bulky enough that switching between native EF-M lenses and adapted EF lenses mid-shoot becomes a deliberate process rather than a quick swap
  • No weather sealing on the adapter, so moisture can enter at the junction point during outdoor shoots in rain or heavy mist

Frequently Asked Questions

Yes — the adapter maintains full electronic communication, so autofocus, image stabilization, and aperture control all function as they would natively. Expect AF performance to be governed by the EOS M body's capabilities rather than the adapter itself.
It adds zero optical elements, so there's no focal length multiplication beyond the EOS M's existing APS-C crop factor, and image quality is identical to mounting the lens on an EF-body. It's purely a mechanical and electronic bridge.
The adapter includes a removable tripod mount for exactly this scenario. When using large or heavy lenses, mount the tripod plate on the adapter rather than the camera body to keep the rig balanced and reduce stress on the EOS M lens mount.
It's designed for Canon EF and EF-S lenses. Third-party EF-mount lenses may work, but autofocus reliability and full feature support can vary depending on the lens manufacturer's reverse-engineered electronics.
It adds roughly 2.5 inches of length between the body and lens, which shifts the balance point forward. With compact primes it's barely noticeable, but with larger zoom lenses the setup becomes noticeably front-heavy compared to a native EF-M lens.