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Canon RF 16mm F2.8 STM vs Sigma 16mm f/1.4 DC DN Contemporary

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

Pick the Canon RF 16mm F2.8 STM if

  • You want the lighter lens to carry: 250 g lighter (165 g vs 415 g)
  • You shoot close-ups: it focuses down to 0.13 m vs 0.25 m
  • You want bigger close-ups: 0.26× vs 0.1× maximum magnification
  • You shoot full frame: the Sigma 16mm f/1.4 DC DN Contemporary is made for APS-C
  • You want a compact lens: 40.2 mm vs 90.3 mm long
  • Our notes say it suits: Vlogging, street and travel, landscapes

Pick the Sigma 16mm f/1.4 DC DN Contemporary if

  • You need 2 stops more light for low light or background blur (f/1.4 vs f/2.8)
  • You care about the shape of out-of-focus highlights: 9 aperture blades vs 7

Spec differences

14 differences
Specifications that differ between the Canon RF 16mm F2.8 STM and the Sigma 16mm f/1.4 DC DN Contemporary
Canon RF 16mm F2.8 STM Sigma 16mm f/1.4 DC DN Contemporary
Brand
Canon
Sigma
Format
Full frame
APS-C
Max aperture
f/2.8
f/1.4 2 stops faster
Weight
165 g lighter
415 g
Length
40.2 mm shorter
90.3 mm
Diameter
69.2 mm slimmer
72.2 mm
Filter thread
43 mm
67 mm
Min focus distance
0.13 m closer
0.25 m
Max magnification
0.26× larger
0.1×
Aperture blades
7
9 more blades
Optical design
9 elements / 7 groups
16 elements / 13 groups
Autofocus motor
STM
Stepping motor
Weather sealing
not listed
Yes
Released
2021
2017
4 identical specs hidden: mount, type, focal length, image stabilization. Show all
Mount
Canon RF both
Type
Prime both
Focal length
16mm both
Image stabilization
No both

Our notes

Canon RF 16mm F2.8 STM

A very small wide-angle prime for Canon RF full-frame cameras. It relies on in-camera correction for distortion.

Pros

  • Very compact and light (165 g)
  • Wide 16mm view
  • STM focusing
  • Close focus 0.13 m

Cons

  • Relies on software correction
  • No image stabilization
  • f/2.8 limits low light

Our notes

Sigma 16mm f/1.4 DC DN Contemporary

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