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Canon RF 50mm f/1.2L USM vs Brightin Star 50mm f/1.4 III

Both are Canon RF prime lenses. Here is what actually differs.

Pick the Canon RF 50mm f/1.2L USM if

  • You need ½ stop more light for low light or background blur (f/1.2 vs f/1.4)
  • You want autofocus (USM): the Brightin Star 50mm f/1.4 III is manual focus only
  • You shoot full frame: the Brightin Star 50mm f/1.4 III is made for APS-C
  • Our notes say it suits: Portraits, low light, shallow depth of field

Pick the Brightin Star 50mm f/1.4 III if

Our spec data shows no clear advantage for this lens.

Spec differences

13 differences
Specifications that differ between the Canon RF 50mm f/1.2L USM and the Brightin Star 50mm f/1.4 III
Canon RF 50mm f/1.2L USM Brightin Star 50mm f/1.4 III
Brand
Canon
Brightin Star
Format
Full frame
APS-C
Max aperture
f/1.2 ½ stop faster
f/1.4
Weight
950 g
not listed
Length
108 mm
not listed
Diameter
89.8 mm
not listed
Filter thread
77 mm
not listed
Min focus distance
0.4 m
not listed
Max magnification
0.19×
not listed
Aperture blades
10
not listed
Optical design
15 elements / 9 groups
6 elements / 5 groups
Autofocus motor
USM
Manual focus
Released
2018
not listed
4 identical specs hidden: mount, type, focal length, image stabilization. Show all
Mount
Canon RF both
Type
Prime both
Focal length
50mm both
Image stabilization
No both

Our notes

Canon RF 50mm f/1.2L USM

A fast standard prime for Canon RF full-frame cameras with an f/1.2 aperture. Large, heavy and weather-sealed.

Pros

  • f/1.2 aperture
  • Weather-sealed L build
  • Sharp wide open

Cons

  • Large and heavy (950 g)
  • No image stabilization

Our notes

Brightin Star 50mm f/1.4 III

More comparisons

Canon RF 50mm f/1.2L USM

Canon RF 50mm f/1.2L USM vs TTArtisan 50mm f/1.2

autofocus vs 614 g lighter

Canon RF 50mm f/1.2L USM

Canon RF 50mm f/1.2L USM vs Brightin Star 50mm f/1.05

autofocus vs ⅓ stop faster

Canon RF 50mm F1.8 STM

Canon RF 50mm F1.8 STM vs Brightin Star 50mm f/1.4 III

autofocus vs ⅔ stop faster

Brightin Star 50mm f/1.4 III vs TTArtisan 50mm f/1.4

TTArtisan 50mm f/1.4: covers full frame

Canon RF 50mm f/1.2L USM

Canon RF 50mm f/1.2L USM vs TTArtisan 50mm f/1.4

½ stop faster vs more blades

Brightin Star 50mm f/1.4 III vs TTArtisan 50mm f/1.4 Tilt

TTArtisan 50mm f/1.4 Tilt: covers full frame

Compare other lenses or browse our best-of guides.