Laowa Aksen 45mm f/2.8 1-5x Ultra Macro APO vs Sigma 105mm F2.8 DG DN Macro Art

The bottom line

These cover different focal lengths — the Laowa Aksen 45mm f/2.8 1-5x Ultra Macro APO is 45mm, the Sigma 105mm F2.8 DG DN Macro Art is 105mm — so they're not really substitutes. Pick by the field of view you actually need: the Laowa Aksen 45mm f/2.8 1-5x Ultra Macro APO for short-telephoto / portrait, the Sigma 105mm F2.8 DG DN Macro Art for zoom.

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

  • You shoot wide — it starts at 45mm vs 105mm for landscapes, interiors and architecture.
  • You like close-focus work — 5x magnification vs 1x.

Choose the Sigma 105mm F2.8 DG DN Macro Art if…

  • You need more reach — it goes to 105mm vs 45mm for distant subjects, wildlife and sport.
  • You work outdoors — it's weather-sealed against dust and moisture; the other isn't.

Where they differ

  • Focal range: Laowa Aksen 45mm f/2.8 1-5x Ultra Macro APO is 45mm, Sigma 105mm F2.8 DG DN Macro Art is 105mm — different framing and reach.
  • Close-up: the Laowa Aksen 45mm f/2.8 1-5x Ultra Macro APO reaches 5x magnification vs 1x — more for close-up and macro work.
  • Weight: the Laowa Aksen 45mm f/2.8 1-5x Ultra Macro APO is 599g (1.32 lb) vs 715g (1.58 lb) — you'll feel the difference handheld.
  • Durability: the Sigma 105mm F2.8 DG DN Macro Art is weather-sealed; the other isn't.

Frequently asked

Is the Laowa Aksen 45mm f/2.8 1-5x Ultra Macro APO or the Sigma 105mm F2.8 DG DN Macro Art better?

These cover different focal lengths — the Laowa Aksen 45mm f/2.8 1-5x Ultra Macro APO is 45mm, the Sigma 105mm F2.8 DG DN Macro Art is 105mm — so they're not really substitutes. Pick by the field of view you actually need: the Laowa Aksen 45mm f/2.8 1-5x Ultra Macro APO for short-telephoto / portrait, the Sigma 105mm F2.8 DG DN Macro Art for zoom.

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

Choose the Laowa Aksen 45mm f/2.8 1-5x Ultra Macro APO if you shoot wide — it starts at 45mm vs 105mm for landscapes, interiors and architecture. Choose it if you like close-focus work — 5x magnification vs 1x.

Who should choose the Sigma 105mm F2.8 DG DN Macro Art?

Choose the Sigma 105mm F2.8 DG DN Macro Art if you need more reach — it goes to 105mm vs 45mm for distant subjects, wildlife and sport. Choose it if you work outdoors — it's weather-sealed against dust and moisture; the other isn't.

What is the main difference between the Laowa Aksen 45mm f/2.8 1-5x Ultra Macro APO and the Sigma 105mm F2.8 DG DN Macro Art?

Focal range: Laowa Aksen 45mm f/2.8 1-5x Ultra Macro APO is 45mm, Sigma 105mm F2.8 DG DN Macro Art is 105mm — different framing and reach.

Product
Optical Design
Focal Length45mm105mm
Lens TypePrimePrime
Optical Elements1317
Optical Groups913
Aperture & Iris
Maximum Aperturef/2.8f/2.8
Minimum Aperturef/11f/22
Aperture Blades119
Rounded ApertureNoYes
Coverage & Angle
Format CoverageFull-FrameFull-Frame
Lens MountSony ESony E
Angle of View23°
35mm Equivalent
Focus
AutofocusNoYes
Focus MotorHLA
Focus LimiterNoYes
AF/MF SwitchNoYes
Min Focus Distance30 cm
Max Magnification5x1x
Stabilization & Video
Optical StabilizationNoNo
Aperture RingYesNo
Declickable ApertureNoNo
ParfocalYesNo
Internal ZoomNoNo
General
Price (MSRP)$749$799
Filter Size56mm62mm
Diameter70.2mm82.8mm
Length121mm142.3mm
Weight599g (1.32 lb)715g (1.58 lb)
Weather SealedNoYes
Tripod CollarNoNo