Laowa 180mm f/4.5 1.5x Ultra Macro APO (L-mount) vs Laowa Aksen 17.5mm f/1.7 5-10x Ultra Macro APO (L-Mount)

The bottom line

These cover different focal lengths — the Laowa 180mm f/4.5 1.5x Ultra Macro APO (L-mount) is 180mm, the Laowa Aksen 17.5mm f/1.7 5-10x Ultra Macro APO (L-Mount) is 17.5mm — 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 (L-mount) for telephoto, the Laowa Aksen 17.5mm f/1.7 5-10x Ultra Macro APO (L-Mount) for wide-angle.

Choose the Laowa 180mm f/4.5 1.5x Ultra Macro APO (L-mount) if…

  • You need more reach — it goes to 180mm vs 17.5mm for distant subjects, wildlife and sport.
  • You work outdoors — it's weather-sealed against dust and moisture; the other isn't.

Choose the Laowa Aksen 17.5mm f/1.7 5-10x Ultra Macro APO (L-Mount) if…

  • You want more light and background blur — f/1.7 is faster than f/4.5, better for low light and subject separation.
  • You shoot wide — it starts at 17.5mm vs 180mm for landscapes, interiors and architecture.
  • You're on a budget — $749 vs $999 leaves more for other gear.
  • You like close-focus work — 10x magnification vs 1.5x.

Where they differ

  • Aperture: the Laowa Aksen 17.5mm f/1.7 5-10x Ultra Macro APO (L-Mount) opens to f/1.7 vs the Laowa 180mm f/4.5 1.5x Ultra Macro APO (L-mount)'s f/4.5 — more light and shallower depth-of-field.
  • Focal range: Laowa 180mm f/4.5 1.5x Ultra Macro APO (L-mount) is 180mm, Laowa Aksen 17.5mm f/1.7 5-10x Ultra Macro APO (L-Mount) is 17.5mm — different framing and reach.
  • Price: the Laowa Aksen 17.5mm f/1.7 5-10x Ultra Macro APO (L-Mount) is $749, $250 under the Laowa 180mm f/4.5 1.5x Ultra Macro APO (L-mount).
  • Close-up: the Laowa Aksen 17.5mm f/1.7 5-10x Ultra Macro APO (L-Mount) reaches 10x magnification vs 1.5x — more for close-up and macro work.
  • Weight: the Laowa Aksen 17.5mm f/1.7 5-10x Ultra Macro APO (L-Mount) is 570g (1.26 lb) vs 670g (1.48 lb) — you'll feel the difference handheld.
  • Durability: the Laowa 180mm f/4.5 1.5x Ultra Macro APO (L-mount) is weather-sealed; the other isn't.

Frequently asked

Is the Laowa 180mm f/4.5 1.5x Ultra Macro APO (L-mount) or the Laowa Aksen 17.5mm f/1.7 5-10x Ultra Macro APO (L-Mount) better?

These cover different focal lengths — the Laowa 180mm f/4.5 1.5x Ultra Macro APO (L-mount) is 180mm, the Laowa Aksen 17.5mm f/1.7 5-10x Ultra Macro APO (L-Mount) is 17.5mm — 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 (L-mount) for telephoto, the Laowa Aksen 17.5mm f/1.7 5-10x Ultra Macro APO (L-Mount) for wide-angle.

Who should choose the Laowa 180mm f/4.5 1.5x Ultra Macro APO (L-mount)?

Choose the Laowa 180mm f/4.5 1.5x Ultra Macro APO (L-mount) if you need more reach — it goes to 180mm vs 17.5mm for distant subjects, wildlife and sport. Choose it if you work outdoors — it's weather-sealed against dust and moisture; the other isn't.

Who should choose the Laowa Aksen 17.5mm f/1.7 5-10x Ultra Macro APO (L-Mount)?

Choose the Laowa Aksen 17.5mm f/1.7 5-10x Ultra Macro APO (L-Mount) if you want more light and background blur — f/1.7 is faster than f/4.5, better for low light and subject separation. Choose it if you shoot wide — it starts at 17.5mm vs 180mm for landscapes, interiors and architecture. Choose it if you're on a budget — $749 vs $999 leaves more for other gear. Choose it if you like close-focus work — 10x magnification vs 1.5x.

What is the main difference between the Laowa 180mm f/4.5 1.5x Ultra Macro APO (L-mount) and the Laowa Aksen 17.5mm f/1.7 5-10x Ultra Macro APO (L-Mount)?

Aperture: the Laowa Aksen 17.5mm f/1.7 5-10x Ultra Macro APO (L-Mount) opens to f/1.7 vs the Laowa 180mm f/4.5 1.5x Ultra Macro APO (L-mount)'s f/4.5 — more light and shallower depth-of-field.

Product
Optical Design
Focal Length180mm17.5mm
Lens TypePrimePrime
Optical Elements1217
Optical Groups912
Aperture & Iris
Maximum Aperturef/4.5f/1.7
Minimum Aperturef/22f/5.6
Aperture Blades711
Rounded ApertureYesNo
Coverage & Angle
Format CoverageFull-FrameFull-Frame
Lens MountL-MountL-Mount
Angle of View14°
35mm Equivalent
Focus
AutofocusNoNo
Focus Motor
Focus LimiterNoNo
AF/MF SwitchYesNo
Min Focus Distance22 cm
Max Magnification1.5x10x
Stabilization & Video
Optical StabilizationNoNo
Aperture RingNoYes
Declickable ApertureNoNo
ParfocalNoYes
Internal ZoomNoNo
General
Price (MSRP)$999$749
Filter Size67mm42mm
Diameter82mm70.2mm
Length214mm127.5mm
Weight670g (1.48 lb)570g (1.26 lb)
Weather SealedYesNo
Tripod CollarNoNo