Canon RF lens

Canon RF75-300mm F4-5.6

75–300 mm, f/4–5.6, made for full frame. It mounts natively on 5 of our APS-C cameras; on the EOS R50 it frames like 120–480 mm.

75–300 mm · 120–480 mm equiv. on EOS R50
f/4–5.6
58 mm filter
507 g

146.1 mm long71.2 mm58 mm filter thread

Drawn from Canon's published size: 71.2 × 146.1 mm, at its shortest. Details simplified.

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On your camera

The view, the weight with the camera (battery and card included) and what the maker says about each pair. It is made for full-frame sensors and covers APS-C with room to spare.

Every camera in our catalogue this lens mounts on: 5
Camera	View (35 mm equiv.)	With the camera	Fit and maker's notes
Canon EOS R100	120–480 mm	863 g	Fits and works Native mount: it fits and works. Neither the lens nor the camera is stabilised; use a faster shutter speed or a support.
Canon EOS R50	120–480 mm	882 g	Fits and works Native mount: it fits and works. Neither the lens nor the camera is stabilised; use a faster shutter speed or a support.
Canon EOS R50 V	120–480 mm	877 g	Fits and works Native mount: it fits and works. Neither the lens nor the camera is stabilised; use a faster shutter speed or a support.
Canon EOS R10	120–480 mm	936 g	Fits and works Native mount: it fits and works. Neither the lens nor the camera is stabilised; use a faster shutter speed or a support.
Canon EOS R7	120–480 mm	1,119 g	Fits and works

What it frames

112 mm120 mm160 mm

Highlighted: this lens on the EOS R50. A zoom's dashed frame is its longest view.

At its closest (150 cm from the sensor) it fills the frame of the EOS R50 with a subject about 8.9 cm wide.

On the EOS R50, to scale

Side view drawn from the published depth of the camera and length of the lens. 882 g together.

Every lens with a 58 mm thread

Other telephoto zooms for Canon RF

The nearest in focal length, with the numbers that differ.

Canon RF100-300mm F2.8 L IS USM160–480 mm equiv. · f/2.8 · 2,650 g (+2143 g) · Drop-in filterCompare
Canon RF70-200mm F4 L IS USM112–320 mm equiv. · f/4 · 695 g (+188 g) · 77 mmCompare
Canon RF70-200mm F2.8 L IS USM112–320 mm equiv. · f/2.8 · 1,070 g (+563 g) · 77 mmCompare
Canon RF70-200mm F2.8 L IS USM Z112–320 mm equiv. · f/2.8 · 1,115 g (+608 g) · 82 mmCompare
Canon RF100-400mm F5.6-8 IS USM160–640 mm equiv. · f/5.6–8 · 635 g (+128 g) · 67 mmCompare
Canon RF-S55-210mm F5-7.1 IS STM88–336 mm equiv. · f/5–7.1 · 270 g (−237 g) · 55 mmCompare

Questions about this lens

Which cameras does the Canon RF75-300mm F4-5.6 fit?

5 APS-C cameras in our catalogue: EOS R100, EOS R50, EOS R50 V, EOS R10, EOS R7. It is made for full frame, so it also fits the full-frame cameras on its mount.

What does it frame like on APS-C?

75–300 mm frames like 120–480 mm on the EOS R50 (1.6x).

What filter size does it take?

58 mm screw-in filters. Every lens with a 58 mm thread.

Where these facts come from

Facts checked 9 Oct 2026 against the makers' specification pages. How we check

Size, weight, filter thread, close focus and magnification are Canon's published figures. We have not tested this lens; for image quality, read reviews from people who have.

Specifications

Mount: Canon RF
Made for: Full-frame sensors (covers APS-C too)
Focal length: 75–300 mm
Maximum aperture: f/4–5.6
Lens stabilisation: No
Weather sealing: No
Filter thread: 58 mm
Weight: 507 g
Size (diameter × length): 71.2 × 146.1 mm
Closest focus: 150 cm
Maximum magnification: 0.25x
Autofocus: Yes
Announced: 2025
Note: No stabilisation in the lens