RF 28mm f/2.8 STMvs Sony FE 50mm f/1.8

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
Sony Sony FE 50mm f/1.8 Sony Sony FE 50mm f/1.8 (2016) From £199 Best for Portraits & everyday View Sony FE 50mm f/1.8

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 & Everyday — Sony FE 50mm f/1.8 (2016): The most affordable full-frame prime in the Sony FE system — f/1.8 subject separation and linear motor AF at an entry-level price.

↓ Full specifications below

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

Full specifications

Specification RF 28mm f/2.8 STM (2023)Sony FE 50mm f/1.8 (2016)
Price £299 £199
Sensor Canon RF mount (full-frame) f/1.8 (max aperture)
Video N/A — lens 45cm minimum focus distance
Autofocus STM — quiet, suitable for video Linear motor (fast and quiet AF)
Stabilisation None None (relies on body IBIS)
Burst Rate N/A
Battery Life N/A
Weight 85g 186g
Dimensions 69.2mm diameter × 24.7mm length 68.6 × 59.5mm
Weather Sealed No No
Viewfinder N/A
Screen N/A
Mount 55mm filter thread Sony FE (full-frame E-mount)
Memory Cards N/A
Connectivity N/A
Genre RF 28mm f/2.8 STMSony FE 50mm f/1.8
Travel
9.0
Street
9.0
7.0
Vlogging & Video
7.0
7.0
Portrait
9.0
Family & Everyday
9.0
Landscape
4.0
Sports & Action
4.0
⚡ Compare specs side by side RF 28mm f/2.8 STM prices → Sony FE 50mm f/1.8 prices →

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