§ 03 Head to head

Canon EF 17-40 mm f/4.0L USM vs Tokina ATX-i 17-35 mm f/4

Canon 17–40mm f/4 has a longer reach. Tokina 17–35mm f/4 has a more aperture blades.

Both lenses are made for the Canon EF mount: the Canon EF 17-40 mm f/4.0L USM is a 17–40mm f/4 zoom, and the Tokina ATX-i 17-35 mm f/4 is a 17–35mm f/4 zoom. On paper the Canon EF 17-40 mm f/4.0L USM comes out ahead, 3 advantages to 2, but which one suits you depends on what you shoot.

01

Key differences

From manufacturer specifications

Why is the Canon EF 17-40 mm f/4.0L USM better than the Tokina ATX-i 17-35 mm f/4?

  • Longer reach (40mm vs 35mm)
  • 134 g lighter (475 g vs 609 g)
  • Smaller filter thread (77 mm vs 82 mm)

Why is the Tokina ATX-i 17-35 mm f/4 better than the Canon EF 17-40 mm f/4.0L USM?

  • More aperture blades (9 vs 7)
  • Newer design (2020 vs 2003)
02

Which should you buy?

By use
  • landscape For landscape photography, the Canon EF 17-40 mm f/4.0L USM has the edge: it is 134 g lighter to carry.
  • architecture For architecture, the Canon EF 17-40 mm f/4.0L USM has the edge: it is 134 g lighter to carry.
03

Specification

16 rows · better value flagged ◆
SpecificationCanon EF 17-40 mm f/4.0L USMTokina ATX-i 17-35 mm f/4
Focal length17–40mm 17–35mm
Maximum aperturef/4 f/4
Minimum aperturef/22 f/22
Lens typeZoom lens Zoom lens
FormatFull frame Full frame
Weight475 g (16.76 oz) ◆609 g
Dimensions83.5 x 96.8 mm 89 x 97 mm
Minimum focusing distance0.28 m (11.02 inches) 0.28 m
Image stabilizationNo No
Weather sealing—Yes
Aperture ringNo No
Aperture blades7 9 ◆
Optical construction12 elements / 9 groups 13 elements / 12 groups
Filter size77 mm ◆82 mm
Lens mountCanon EF Canon EF, Nikon F
Released2003 2020
04

Size

Drawn to relative scale
  • A · Canon
  • B · Tokina
  • 96.8 × 83.5 mm
  • 97 × 89 mm

The Tokina ATX-i 17-35 mm f/4 is 134 g heavier than the Canon EF 17-40 mm f/4.0L USM.

05

Sample frames

Shot on each lens

Canon EF 17-40 mm f/4.0L USM

We’ll Tell You That You’re Close But No Cigar...
We’ll Tell You That You’re Close But No Cigar... by redfibres
T'int In't Tin
T'int In't Tin by redfibres
pomník obětem 1. světové války z řad zaměstnanců jatek v Pražské tržnici v Praze-Holešovicích.
pomník obětem 1. světové války z řad zaměstnanců jatek v Pražské tržnici v Praze-Holešovicích. by mycanek
Sittin' On A Rock In The Bay...
Sittin' On A Rock In The Bay... by redfibres
06

Video reviews

4 on YouTube
Video thumbnail for Canon EF 17-40 mm f/4.0L USM review 1
Video thumbnail for Canon EF 17-40 mm f/4.0L USM review 2
Video thumbnail for Tokina ATX-i 17-35 mm f/4 review 1
Video thumbnail for Tokina ATX-i 17-35 mm f/4 review 2
07

Questions

Which is lighter, the Canon EF 17-40 mm f/4.0L USM or the Tokina ATX-i 17-35 mm f/4?
The Canon EF 17-40 mm f/4.0L USM weighs 475 g, 134 g less than the Tokina ATX-i 17-35 mm f/4 (609 g).
Do the Canon EF 17-40 mm f/4.0L USM and the Tokina ATX-i 17-35 mm f/4 have image stabilization?
No, neither lens has optical image stabilization; rely on in-body stabilization if your camera has it.
Is the Canon EF 17-40 mm f/4.0L USM or the Tokina ATX-i 17-35 mm f/4 better for landscape photography?
For landscape photography, the Canon EF 17-40 mm f/4.0L USM has the edge: it is 134 g lighter to carry.
Is the Canon EF 17-40 mm f/4.0L USM or the Tokina ATX-i 17-35 mm f/4 better for architecture?
For architecture, the Canon EF 17-40 mm f/4.0L USM has the edge: it is 134 g lighter to carry.
08

Other comparisons