§ 03 Head to head

Canon RF 14 mm f/1.4L VCM vs Sigma C 15 mm f/1.4 DC

Canon 14mm f/1.4 has a wider field of view. Sigma 15mm f/1.4 has a longer reach.

The Canon RF 14 mm f/1.4L VCM is a 14mm f/1.4 prime, and the Sigma C 15 mm f/1.4 DC is a 15mm f/1.4 prime. On paper the Sigma C 15 mm f/1.4 DC comes out ahead, 5 advantages to 3, but which one suits you depends on what you shoot.

01

Key differences

From manufacturer specifications

Why is the Canon RF 14 mm f/1.4L VCM better than the Sigma C 15 mm f/1.4 DC?

  • Wider field of view (14mm vs 15mm)
  • More aperture blades (11 vs 9)
  • Covers a larger sensor format (full-frame vs APS-C)

Why is the Sigma C 15 mm f/1.4 DC better than the Canon RF 14 mm f/1.4L VCM?

  • Longer reach (15mm vs 14mm)
  • 358 g lighter (220 g vs 578 g)
  • 48 mm shorter (64 mm vs 112 mm long)
  • Focuses 6 cm closer (0.18 m vs 0.24 m)
  • $2,020 cheaper ($579 launch price vs $2,599 launch price)
02

Which should you buy?

By use
  • landscape For landscape photography, the Canon RF 14 mm f/1.4L VCM has the edge: it goes wider, to 14mm against 15mm.
  • architecture For architecture, the Canon RF 14 mm f/1.4L VCM has the edge: it goes wider, to 14mm against 15mm.
  • astrophotography For astrophotography, the Canon RF 14 mm f/1.4L VCM has the edge: it goes wider, to 14mm against 15mm.
03

Specification

17 rows · better value flagged ◆
SpecificationCanon RF 14 mm f/1.4L VCMSigma C 15 mm f/1.4 DC
Focal length14mm 15mm
Maximum aperturef/1.4 f/1.4
Minimum aperturef/16 f/16
Lens typePrime lens Prime lens
FormatFull frame APS-C
Weight578 g 220 g (7.76 oz) ◆
Dimensions112 x 76.5 mm 64.8 x 64 mm
Minimum focusing distance0.24 m 0.177 m (0.58 feet) ◆
Image stabilizationNo No
Weather sealingYes —
Aperture ringNo No
Aperture blades11 ◆9
Optical construction18 elements / 13 groups 13 elements / 11 groups
Filter size—58 mm
Lens mountCanon RF Sony E, Canon RF, Fujifilm X
Released2026 2026
Price$2,599 launch price $579 launch price ◆
04

Size

Drawn to relative scale
  • A · Canon
  • B · Sigma
  • 112 × 76.5 mm
  • 64 × 64.8 mm

The Canon RF 14 mm f/1.4L VCM is 48 mm longer and 358 g heavier than the Sigma C 15 mm f/1.4 DC.

05

Sample frames

Shot on each lens

Canon RF 14 mm f/1.4L VCM

Luna llena sobre la ciudad de Ávila
Luna llena sobre la ciudad de Ávila by Julassan
Forrest Gump Ran This Curve
Forrest Gump Ran This Curve by Mark Howard Stock Images
Portland Waterfront IR
Portland Waterfront IR by mitch2k1
Summer Monsoon, Colorado
Summer Monsoon, Colorado by rwbaldwin

Sigma C 15 mm f/1.4 DC

the night
the night by Father Tony
the cabin
the cabin by Father Tony
view on the trail
view on the trail by Father Tony
fish eye trestle
fish eye trestle by Father Tony
06

Video reviews

4 on YouTube
Video thumbnail for Canon RF 14 mm f/1.4L VCM review 1
Video thumbnail for Canon RF 14 mm f/1.4L VCM review 2
Video thumbnail for Sigma C 15 mm f/1.4 DC review 1
Video thumbnail for Sigma C 15 mm f/1.4 DC review 2
07

Questions

Which is lighter, the Canon RF 14 mm f/1.4L VCM or the Sigma C 15 mm f/1.4 DC?
The Sigma C 15 mm f/1.4 DC weighs 220 g, 358 g less than the Canon RF 14 mm f/1.4L VCM (578 g).
Which focuses closer, the Canon RF 14 mm f/1.4L VCM or the Sigma C 15 mm f/1.4 DC?
The Sigma C 15 mm f/1.4 DC focuses down to 0.18 m, against 0.24 m for the Canon RF 14 mm f/1.4L VCM.
Do the Canon RF 14 mm f/1.4L VCM and the Sigma C 15 mm f/1.4 DC have image stabilization?
No, neither lens has optical image stabilization; rely on in-body stabilization if your camera has it.
Is the Canon RF 14 mm f/1.4L VCM or the Sigma C 15 mm f/1.4 DC better for landscape photography?
For landscape photography, the Canon RF 14 mm f/1.4L VCM has the edge: it goes wider, to 14mm against 15mm.
Is the Canon RF 14 mm f/1.4L VCM or the Sigma C 15 mm f/1.4 DC better for architecture?
For architecture, the Canon RF 14 mm f/1.4L VCM has the edge: it goes wider, to 14mm against 15mm.
08

Other comparisons