§ 03 Head to head

Canon EF 40 mm f/2.8 STM vs Venus Optics LAOWA Aksen 45 mm f/2.8 1-5x Ultra Macro APO

Canon 40mm f/2.8 has a wider field of view. Laowa 45mm f/2.8 has a longer reach.

Both lenses are made for the Canon EF mount: the Canon EF 40 mm f/2.8 STM is a 40mm f/2.8 prime, and the Venus Optics LAOWA Aksen 45 mm f/2.8 1-5x Ultra Macro APO is a 45mm f/2.8 prime. On paper the Venus Optics LAOWA Aksen 45 mm f/2.8 1-5x Ultra Macro APO 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 EF 40 mm f/2.8 STM better than the Venus Optics LAOWA Aksen 45 mm f/2.8 1-5x Ultra Macro APO?

  • Wider field of view (40mm vs 45mm)
  • 469 g lighter (130 g vs 599 g)
  • 98 mm shorter (22.8 mm vs 121 mm long)

Why is the Venus Optics LAOWA Aksen 45 mm f/2.8 1-5x Ultra Macro APO better than the Canon EF 40 mm f/2.8 STM?

  • Longer reach (45mm vs 40mm)
  • Focuses 26 cm closer (0.04 m vs 0.3 m)
  • Has a physical aperture ring
  • More aperture blades (11 vs 7)
  • Newer design (2026 vs 2012)
02

Which should you buy?

By use
  • street For street photography, the Canon EF 40 mm f/2.8 STM has the edge: it is 469 g lighter to carry.
  • travel For travel, the Canon EF 40 mm f/2.8 STM has the edge: it is 469 g lighter to carry.
  • macro For macro photography, the Venus Optics LAOWA Aksen 45 mm f/2.8 1-5x Ultra Macro APO has the edge: it focuses closer, down to 0.04 m.
03

Specification

16 rows · better value flagged ◆
SpecificationCanon EF 40 mm f/2.8 STMVenus Optics LAOWA Aksen 45 mm f/2.8 1-5x Ultra Macro APO
Focal length40mm 45mm
Maximum aperturef/2.8 f/2.8
Minimum aperturef/22 f/11
Lens typePrime lens Prime lens
FormatFull frame Full frame
Weight130 g (4.59 oz) ◆599 g (21.13 oz)
Dimensions68.2 x 22.8 mm 121 x 70.2 mm
Minimum focusing distance0.30 m (11.81 inches) 0.04 m (1.57 inches) ◆
Image stabilizationNo No
Aperture ringNo Yes
Aperture blades7 11 ◆
Optical construction6 elements / 4 groups 13 elements / 9 groups
Filter size52 mm —
Lens mountCanon EF Canon EF, Nikon F, Micro Four Thirds, Sony E, Nikon Z, Canon RF, Fujifilm X, L-Mount
Released2012 2026
Price—$749 launch price
04

Size

Drawn to relative scale
  • A · Canon
  • B · Venus
  • 22.8 × 68.2 mm
  • 121 × 70.2 mm

The Venus Optics LAOWA Aksen 45 mm f/2.8 1-5x Ultra Macro APO is 98 mm longer and 469 g heavier than the Canon EF 40 mm f/2.8 STM.

05

Sample frames

Shot on each lens

Canon EF 40 mm f/2.8 STM

Moored
Moored by HP Turner
Wars of the Roses
Wars of the Roses by @WineAlchemy1
The conception of Ingrid Fletcher
The conception of Ingrid Fletcher by @WineAlchemy1
Windows of opportunities
Windows of opportunities by HP Turner
06

Video reviews

4 on YouTube
Video thumbnail for Canon EF 40 mm f/2.8 STM review 1
Video thumbnail for Canon EF 40 mm f/2.8 STM review 2
Video thumbnail for Venus Optics LAOWA Aksen 45 mm f/2.8 1-5x Ultra Macro APO review 1
Video thumbnail for Venus Optics LAOWA Aksen 45 mm f/2.8 1-5x Ultra Macro APO review 2
07

Questions

Which is lighter, the Canon EF 40 mm f/2.8 STM or the Venus Optics LAOWA Aksen 45 mm f/2.8 1-5x Ultra Macro APO?
The Canon EF 40 mm f/2.8 STM weighs 130 g, 469 g less than the Venus Optics LAOWA Aksen 45 mm f/2.8 1-5x Ultra Macro APO (599 g).
Which focuses closer, the Canon EF 40 mm f/2.8 STM or the Venus Optics LAOWA Aksen 45 mm f/2.8 1-5x Ultra Macro APO?
The Venus Optics LAOWA Aksen 45 mm f/2.8 1-5x Ultra Macro APO focuses down to 0.04 m, against 0.3 m for the Canon EF 40 mm f/2.8 STM.
Do the Canon EF 40 mm f/2.8 STM and the Venus Optics LAOWA Aksen 45 mm f/2.8 1-5x Ultra Macro APO have image stabilization?
No, neither lens has optical image stabilization; rely on in-body stabilization if your camera has it.
Is the Canon EF 40 mm f/2.8 STM or the Venus Optics LAOWA Aksen 45 mm f/2.8 1-5x Ultra Macro APO better for street photography?
For street photography, the Canon EF 40 mm f/2.8 STM has the edge: it is 469 g lighter to carry.
Is the Canon EF 40 mm f/2.8 STM or the Venus Optics LAOWA Aksen 45 mm f/2.8 1-5x Ultra Macro APO better for travel?
For travel, the Canon EF 40 mm f/2.8 STM has the edge: it is 469 g lighter to carry.
08

Other comparisons