RF 28mm f/2.8 STMvs Canon RF 50mm f/1.8 STM

GearFrame · Updated March 2026

Canon RF 28mm f/2.8 STM Canon RF 28mm f/2.8 STM (2023) From £299 Best for Travel, street & lightweight everyday carry View RF 28mm f/2.8 STM
VS
Canon Canon RF 50mm f/1.8 STM Canon Canon RF 50mm f/1.8 STM (2020) From £219 Best for Portraits, street & everyday View Canon RF 50mm f/1.8 STM

Which should you buy?

Travel, Street & Lightweight Everyday Carry — RF 28mm f/2.8 STM (2023): The most compact RF prime — at 85g it turns any EOS R into a true everyday pocket camera.

Portraits, Street & Everyday — Canon RF 50mm f/1.8 STM (2020): The essential first prime for Canon RF shooters — f/1.8 background separation at an accessible price with near-silent STM autofocus.

↓ Full specifications below

Quick take: The canon rf 50mm f/1.8 stm is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification RF 28mm f/2.8 STM (2023)Canon RF 50mm f/1.8 STM (2020)
Price £299 £219
Sensor Canon RF mount (full-frame) f/1.8 (max aperture)
Video N/A — lens 30cm minimum focus distance
Autofocus STM — quiet, suitable for video STM (Stepping Motor) — near-silent, smooth for video
Stabilisation None None (relies on in-body IBIS)
Burst Rate N/A
Battery Life N/A
Weight 85g 160g
Dimensions 69.2mm diameter × 24.7mm length 69.2 × 40.5mm
Weather Sealed No No
Viewfinder N/A
Screen N/A
Mount 55mm filter thread Canon RF
Memory Cards N/A
Connectivity N/A
Genre RF 28mm f/2.8 STMCanon RF 50mm f/1.8 STM
Travel
9.0
Street
9.0
9.0
Vlogging & Video
7.0
7.0
Portrait
9.0
Family & Everyday
9.0
Landscape
7.0
Sports & Action
4.0
⚡ Compare specs side by side RF 28mm f/2.8 STM prices → Canon RF 50mm f/1.8 STM prices →

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