Canon · RF

RF 75–300mm F4–5.6

Released May 2025

A full-frame telephoto zoom for Canon EOS R cameras, with a 75–300 mm range, DC-motor autofocus, Super Spectra coating and a 507 g body. It has no optical stabilisation or control ring.

Mount
Canon RF
Focal length
75–300 mm
Max aperture
f/4–5.6
Stabilisation
No
Weight
507 g

What reviewers say

Both reviews find a light, inexpensive telephoto with slow, noisy autofocus, soft long-end results and strong colour fringing. Digital Camera World considers centre sharpness respectable over most of the range; The-Digital-Picture is harsher at 200–300mm, even stopped down. Both criticise the rotating focus mechanism and prefer the RF 100–400mm for performance, although it costs more.

From digitalcameraworld.com and the-digital-picture.com

Optics

Lens type
Zoom
Focal length
75–300 mm
Maximum aperture
f/4–5.6
Minimum aperture
f/32–45
Optical construction
Thirteen elements in nine groups; Canon states the optical design is adapted from the EF 75–300mm F4–5.6 III
Coatings
Super Spectra; no fluorine coating
Aperture detail
Maximum f/4 at 75 mm and f/5.6 at 300 mm; minimum f/32 and f/45 respectively
Diaphragm
Seven blades
Angle of view
Full-frame diagonal 32°11′–8°15′; horizontal 27°–6°50′; vertical 18°11′–4°35′

Mount and compatibility

Mounts
Canon RF
Image circle
Full frame
Compatibility
Canon RF mount for full-frame and APS-C EOS R cameras; 120–480 mm equivalent field of view on Canon APS-C
Teleconverter support
Not compatible with RF extenders (The-Digital-Picture)

Focus and stabilisation

Autofocus
Yes
Minimum focus distance
1.5 m
Maximum magnification
0.25×
Optical stabilisation
No
Autofocus detail
DC motor autofocus; no full-time manual focus override (Digital Camera World)
Focus distance detail
1.5 m minimum focus; front element and focus ring rotate during focusing (Digital Camera World and The-Digital-Picture)
Magnification detail
0.06× at 75 mm and 0.25× at 300 mm
Stabilisation detail
No lens optical stabilisation
Video features
Substantial focus breathing in The-Digital-Picture's test

Design

Filter diameter
58 mm
Maximum diameter
71.2 mm
Length
146.1 mm
Weight
507 g
Controls
Manual focus and zoom rings, AF/MF switch; no custom control ring (The-Digital-Picture)
Zoom design
Extending zoom barrel; further extension and front rotation during focusing (Digital Camera World)
Filter detail
58 mm front thread rotates during focusing
Weather resistance
Canon UK's table lists dust/moisture resistance, but Digital Camera World and The-Digital-Picture both report no weather sealing
Dimensions detail
71.2 mm maximum diameter × 146.1 mm retracted length
Weight detail
Approximately 507 g lens
Lens hood
Optional ET-60 hood, not included
In the box
Lens, E-58 II lens cap, RF dust cap and user manual
Release detail
May 2025 release confirmed retrospectively by Canon's February 2026 press release and Canon Camera Museum

Pros and cons

Pros

  • 507 g lens weight
  • 75–300 mm zoom range
  • 0.25× maximum magnification

Cons

  • No optical stabilisation
  • Front rotates during focusing
  • No full-time manual focus override

Closest rivals

Model
MountFocal lengthMax apertureStabilisationWeightReleased
Canon RF100–300 mmf/2.8Yes2,590 gMay 2023
Canon RF70–200 mmf/4Yes695 gMar 2021
Canon RF70–200 mmf/2.8Yes1,115 gNov 2024

Sources

  1. canon.co.uk/lenses/rf-75-300mm-f4-5-6/specifications
  2. personal.canon.jp/product/camera/rf/rf75-300-f4-56/spec
  3. canon.co.uk/store/canon-rf-75-300mm-f4-5-6-lens/7155C005
  4. global.canon/en/c-museum/product/rf549.html
  5. global.canon/en/news/2026/20260224.html
  6. digitalcameraworld.com/cameras/lenses/canon-rf-75-300mm-f-4-5-6-review
  7. the-digital-picture.com/Reviews/Canon-RF-75-300mm-F4-5-6-Lens.aspx

Photo: Canon Asia Photo Library; official press archive member RF75-300mm f4-5.6 Front Slant.jpg; complete supplied canvas and white background retained.

Spot a mistake? Tell us