RF 28mm f/2.8 STMvs Lumix S 50mm f/1.8

GearFrame · Updated March 2026

Canon RF 28mm f/2.8 STM Canon RF 28mm f/2.8 STM (2023) Starting from £299 new Best for Travel, street & lightweight everyday carry View RF 28mm f/2.8 STM
VS
Lumix Lumix S 50mm f/1.8 Lumix Lumix S 50mm f/1.8 (2020) Starting from £399 new Best for Portraits, street & everyday shooting View Lumix S 50mm f/1.8

GearScore™ Verdict — 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 Shooting — Lumix S 50mm f/1.8 (2020): The best-value full-frame prime for L-mount — excellent optics, weather-sealed, and very competitively priced.

↓ Full specifications below

Quick take: The rf 28mm f/2.8 stm is the most affordable; only the lumix s 50mm f/1.8 is weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification RF 28mm f/2.8 STM (2023)Lumix S 50mm f/1.8 (2020)
Price £299 £399
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 stepping motor — fast, silent, and precise
Stabilisation None None (relies on body IBIS)
Burst Rate N/A N/A
Battery Life N/A N/A
Weight 85g 303g
Dimensions 69.2mm diameter × 24.7mm length 73.6mm diameter × 81.4mm length
Weather Sealed No Yes
Viewfinder N/A N/A
Screen N/A N/A
Mount 55mm filter thread Leica L-mount
Memory Cards N/A N/A
Connectivity N/A N/A
Genre RF 28mm f/2.8 STMLumix S 50mm f/1.8
Travel
9.0
7.0
Street
9.0
9.0
Vlogging & Video
7.0
Portrait
9.0
⚡ Compare specs side by side RF 28mm f/2.8 STM prices → Lumix S 50mm f/1.8 prices →

More comparisons with RF 28mm f/2.8 STM