RF 50mm f/1.2L USMvs FE 135mm f/1.8 GM

GearFrame · Updated March 2026

Canon RF 50mm f/1.2L USM Canon RF 50mm f/1.2L USM (2018) From £2299 Best for Portraits, weddings & creative low-light work View RF 50mm f/1.2L USM
VS
Sony FE 135mm f/1.8 GM Sony FE 135mm f/1.8 GM (2019) From £1899 Best for Portraits, weddings & fashion photography View FE 135mm f/1.8 GM

Which should you buy?

Portraits, Weddings & Creative Low-Light Work — RF 50mm f/1.2L USM (2018): The lens that proved the RF mount's potential — f/1.2 sharpness and bokeh in an L-series build.

Portraits, Weddings & Fashion Photography — FE 135mm f/1.8 GM (2019): Arguably the finest portrait prime ever made — unrivalled sharpness, three-dimensional bokeh, and world-class AF in a single lens.

↓ Full specifications below

Quick take: The fe 135mm f/1.8 gm is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification RF 50mm f/1.2L USM (2018)FE 135mm f/1.8 GM (2019)
Price £2,299 £1,899
Sensor Canon RF mount (full-frame) Sony FE mount (full-frame E-mount)
Video N/A — lens N/A — lens
Autofocus Dual Nano USM — fast, precise, and near-silent Dual XD Linear Motor AF — world-class speed and tracking
Stabilisation None (relies on IBIS) None (relies on IBIS)
Burst Rate N/A N/A
Battery Life N/A N/A
Weight 950g 950g
Dimensions 89.8mm diameter × 108mm length 89.5mm diameter × 127mm length
Weather Sealed Yes Yes
Viewfinder N/A N/A
Screen N/A N/A
Mount 77mm filter thread 82mm filter thread
Memory Cards N/A N/A
Connectivity N/A N/A
Genre RF 50mm f/1.2L USMFE 135mm f/1.8 GM
Portrait
9.0
9.0
Wedding
9.0
9.0
Low Light
9.0
9.0
⚡ Compare specs side by side RF 50mm f/1.2L USM prices → FE 135mm f/1.8 GM prices →

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