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FotodioX 35mm Pro Automatic Macro Extension Tube for Canon RF-Mount

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FotodioX 35mm Pro Automatic Macro Extension Tube for Canon RF-Mount
Key Features
  • Shortens Minimum Focus Distance
  • Supports Electronic Communication
  • Enables Autofocus and Auto Exposure
  • Enables Lens Stabilization Features
Designed to be attached between a Canon RF-mount camera body and lens, this FotodioX 35mm Pro Automatic Macro Extension Tube allows the lens to focus closer than its normal minimum focus distance. By placing space between the camera body and lens, focusing distance is shortened and the effect of magnifying your subject is created. Extension tubes enable macro performance for lenses not otherwise able to focus as closely and are also suited for near-range portraiture.
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Expected availability: Mid Jul 2026
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FotodioX Pro Automatic Macro Extension Tube Overview

Designed to be attached between a Canon RF-mount camera body and lens, this FotodioX 35mm Pro Automatic Macro Extension Tube allows the lens to focus closer than its normal minimum focus distance. By placing space between the camera body and lens, focusing distance is shortened and the effect of magnifying your subject is created. Extension tubes enable macro performance for lenses not otherwise able to focus as closely and are also suited for near-range portraiture.

Extension tubes have no optical elements, so they do not degrade the quality of your lenses. These extension tubes support electronic communication between an attached camera and lens, enabling autofocus, image stabilization, as well as camera-controlled program, aperture-priority, shutter-priority, and manual modes. If an attached lens is also capable of generating Exif metadata when used with a directly compatible camera, this Pro Automatic Macro Extension Tube is designed to allow that information to be saved along with image files generated with a combination of the lens, the camera, and the adapter.

This adapter does not work with the Canon RF 35mm f/1.8 IS Macro STM lens.

  • Designed to be attached between a Canon RF-mount camera body and lens
  • Allows a compatible lens to focus closer than its normal minimum focus distance
  • Shortens focusing distance and magnifies the subject
  • Has no optical elements, does not degrade the quality of an attached lens
  • Internal coating minimizes reflections within the adapter barrel
  • Aluminum alloy components for weight reduction
  • Brass mounting rings further prevent wear and tear
  • Locking mechanism for secure attachment of lens with push-button release
  • Can be used individually or in combination with other separately available Pro Automatic Macro Extension Tubes
UPC: 847372046317

FotodioX Pro Automatic Macro Extension Tube Specs

Item Type
1x Macro Extension Tube (35 mm)
Camera/Lens Compatibility
Canon RF Mount
Materials
Brass
Weight
6.7 oz / 189.95 g
Packaging Info
Package Weight
0.485 lb
Box Dimensions (LxWxH)
3.4 x 3.1 x 1.9"

FotodioX Pro Automatic Macro Extension Tube Reviews

Dirty but works

By James
Rated 3 out of 5
Date: 2025-09-22

Does not come with caps on either end and was dirty on inside, make sure you clean BEFORE you place on camera.

All metal and works well

By Philip
Rated 5 out of 5
Date: 2025-01-06

This extension tube is all metal and I believe based on the weight, at least partially steel. It works well with all focusing and exposure functions operating as they should. The fit is tight and not quite as smooth as mounting a Nikon Z lens, but no issues.

See any errors on this page?

For the Canon RF-Mount version, which lens caps ...

For the Canon RF-Mount version, which lens caps do you recommend for me to buy alongside it? Front and rear? 2 rear? Which size?
Asked by: Elizabeth
Please review the following item for your front and rear lens cap needs Sensei Body Cap and Rear Lens Cap Kit for Canon RF-Mount Cameras/Lenses B&H # SEBCRLCCR MFR # BCRLC-CR https://bhpho.to/3GSZj3Y
Answered by: hectorm
Date published: 2023-07-17

can I put in on canon RF100mm Macro lens ?

can I put in on canon RF100mm Macro lens ?
Asked by: Ann
The FotodioX 35mm Pro Automatic Macro Extension Tube for Canon RF-Mount is compatible with Canon RF 100mm f/2.8L Macro IS USM.
Answered by: Ejona G
Date published: 2024-09-15

Does it work with Canon RF 24-70mm f/2.8L IS USM?

Does it work with Canon RF 24-70mm f/2.8L IS USM?
Asked by: Vincent
Yes, this Fotodiox 35mm Pro Automatic Macro Extension Tube for Canon RF Mount is compatible with the Canon RF 24-70mm f/2.8L IS USM.
Answered by: Kirk R
Date published: 2022-08-18

Does this work with the RF 24-105 f4L IS USM ...

Does this work with the RF 24-105 f4L IS USM lens?
Asked by: Lynne
Yes, the FotodioX 35mm Pro Automatic Macro Extension Tube for Canon RF-Mount will work with the Canon RF 24-105mm f/4 L IS USM Lens.
Answered by: Cindy H
Date published: 2024-03-28

Does it work with Canon Rf 35mm f1.8mm lens?

Does it work with Canon Rf 35mm f1.8mm lens?
Asked by: Kulwinder
The FotodioX 35mm Pro Automatic Macro Extension Tube for Canon RF-Mount is not compatible with the Canon RF 35mm f/1.8 lens.
Answered by: Moe
Date published: 2021-12-27

What would be the closest focusing distance and ...

What would be the closest focusing distance and magnification ratio if this is used on Canon’s 100mm f2.8 macro lens.
Asked by: Chris
When using the FotodioX 35mm Pro Automatic Macro Extension Tube for Canon RF-Mount with the Canon 100mm macro RF lens, the focus distance changes from 26mm to 27mm and the magnification changes from 1.4x to 1.75x.
Answered by: Dan W
Date published: 2025-04-23

Hi there! Are these tubes weather sealed? Thanks!

Hi there! Are these tubes weather sealed? Thanks!
Asked by: Dustin
No.
Answered by: Eugene
Date published: 2020-10-31

The Fuji equivalent is nearly 3X $, but the ...

The Fuji equivalent is nearly 3X $, but the reviews rave about its excellent build quality and weather sealing. How about the Fotodiox build quality?
Asked by: Paul
Fotodiox makes a very good product with a very good build quality but no weather sealing.
Answered by: Rob
Date published: 2020-07-08
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