Laowa 180mm f/4.5 1.5X Ultra Macro APO (Canon RF) vs Laowa Aksen 45mm f/2.8 1-5x Ultra Macro APO (Canon RF)

The bottom line

These cover different focal lengths — the Laowa 180mm f/4.5 1.5X Ultra Macro APO (Canon RF) is 180mm, the Laowa Aksen 45mm f/2.8 1-5x Ultra Macro APO (Canon RF) is 45mm — so they're not really substitutes. Pick by the field of view you actually need: the Laowa 180mm f/4.5 1.5X Ultra Macro APO (Canon RF) for telephoto, the Laowa Aksen 45mm f/2.8 1-5x Ultra Macro APO (Canon RF) for short-telephoto / portrait.

Choose the Laowa 180mm f/4.5 1.5X Ultra Macro APO (Canon RF) if…

  • You need more reach — it goes to 180mm vs 45mm for distant subjects, wildlife and sport.
  • You're on a budget — $499 vs $749 leaves more for other gear.

Choose the Laowa Aksen 45mm f/2.8 1-5x Ultra Macro APO (Canon RF) if…

  • You want more light and background blur — f/2.8 is faster than f/4.5, better for low light and subject separation.
  • You shoot wide — it starts at 45mm vs 180mm for landscapes, interiors and architecture.
  • You like close-focus work — 5x magnification vs 1.5x.

Where they differ

  • Aperture: the Laowa Aksen 45mm f/2.8 1-5x Ultra Macro APO (Canon RF) opens to f/2.8 vs the Laowa 180mm f/4.5 1.5X Ultra Macro APO (Canon RF)'s f/4.5 — more light and shallower depth-of-field.
  • Focal range: Laowa 180mm f/4.5 1.5X Ultra Macro APO (Canon RF) is 180mm, Laowa Aksen 45mm f/2.8 1-5x Ultra Macro APO (Canon RF) is 45mm — different framing and reach.
  • Price: the Laowa 180mm f/4.5 1.5X Ultra Macro APO (Canon RF) is $499, $250 under the Laowa Aksen 45mm f/2.8 1-5x Ultra Macro APO (Canon RF).
  • Close-up: the Laowa Aksen 45mm f/2.8 1-5x Ultra Macro APO (Canon RF) reaches 5x magnification vs 1.5x — more for close-up and macro work.
  • Weight: the Laowa 180mm f/4.5 1.5X Ultra Macro APO (Canon RF) is 500g (1.10 lb) vs 599g (1.32 lb) — you'll feel the difference handheld.

Frequently asked

Is the Laowa 180mm f/4.5 1.5X Ultra Macro APO (Canon RF) or the Laowa Aksen 45mm f/2.8 1-5x Ultra Macro APO (Canon RF) better?

These cover different focal lengths — the Laowa 180mm f/4.5 1.5X Ultra Macro APO (Canon RF) is 180mm, the Laowa Aksen 45mm f/2.8 1-5x Ultra Macro APO (Canon RF) is 45mm — so they're not really substitutes. Pick by the field of view you actually need: the Laowa 180mm f/4.5 1.5X Ultra Macro APO (Canon RF) for telephoto, the Laowa Aksen 45mm f/2.8 1-5x Ultra Macro APO (Canon RF) for short-telephoto / portrait.

Who should choose the Laowa 180mm f/4.5 1.5X Ultra Macro APO (Canon RF)?

Choose the Laowa 180mm f/4.5 1.5X Ultra Macro APO (Canon RF) if you need more reach — it goes to 180mm vs 45mm for distant subjects, wildlife and sport. Choose it if you're on a budget — $499 vs $749 leaves more for other gear.

Who should choose the Laowa Aksen 45mm f/2.8 1-5x Ultra Macro APO (Canon RF)?

Choose the Laowa Aksen 45mm f/2.8 1-5x Ultra Macro APO (Canon RF) if you want more light and background blur — f/2.8 is faster than f/4.5, better for low light and subject separation. Choose it if you shoot wide — it starts at 45mm vs 180mm for landscapes, interiors and architecture. Choose it if you like close-focus work — 5x magnification vs 1.5x.

What is the main difference between the Laowa 180mm f/4.5 1.5X Ultra Macro APO (Canon RF) and the Laowa Aksen 45mm f/2.8 1-5x Ultra Macro APO (Canon RF)?

Aperture: the Laowa Aksen 45mm f/2.8 1-5x Ultra Macro APO (Canon RF) opens to f/2.8 vs the Laowa 180mm f/4.5 1.5X Ultra Macro APO (Canon RF)'s f/4.5 — more light and shallower depth-of-field.

Product
Optical Design
Focal Length180mm45mm
Lens TypePrimePrime
Optical Elements1213
Optical Groups99
Aperture & Iris
Maximum Aperturef/4.5f/2.8
Minimum Aperturef/22f/11
Aperture Blades911
Rounded ApertureYesNo
Coverage & Angle
Format CoverageFull-FrameFull-Frame
Lens MountCanon RFCanon RF
Angle of View13.7°
35mm Equivalent
Focus
AutofocusNoNo
Focus MotorSTM
Focus LimiterNoNo
AF/MF SwitchNoNo
Min Focus Distance30 cm
Max Magnification1.5x5x
Stabilization & Video
Optical StabilizationNoNo
Aperture RingYesYes
Declickable ApertureNoNo
ParfocalNoYes
Internal ZoomYesNo
General
Price (MSRP)$499$749
Filter Size62mm56mm
Diameter67.6mm70.2mm
Length134.4mm121mm
Weight500g (1.10 lb)599g (1.32 lb)
Weather SealedNoNo
Tripod CollarNoNo