Laowa 11mm f/4.5 FF RL vs Sigma 15mm F1.4 DC Contemporary

The bottom line

These cover different focal lengths — the Laowa 11mm f/4.5 FF RL is 11mm, the Sigma 15mm F1.4 DC Contemporary is 15mm — so they're not really substitutes. Pick by the field of view you actually need: the Laowa 11mm f/4.5 FF RL for wide-angle, the Sigma 15mm F1.4 DC Contemporary for wide-angle.

Choose the Laowa 11mm f/4.5 FF RL if…

  • You value portability — at 158g (5.6 oz) it's lighter than the 220g (7.8 oz) alternative for travel and all-day carry.

Choose the Sigma 15mm F1.4 DC Contemporary if…

  • You want more light and background blur — f/1.4 is faster than f/4.5, better for low light and subject separation.
  • You need more reach — it goes to 15mm vs 11mm for distant subjects, wildlife and sport.
  • You like close-focus work — 0.15x magnification vs 0.07x.
  • You work outdoors — it's weather-sealed against dust and moisture; the other isn't.

Where they differ

  • Aperture: the Sigma 15mm F1.4 DC Contemporary opens to f/1.4 vs the Laowa 11mm f/4.5 FF RL's f/4.5 — more light and shallower depth-of-field.
  • Focal range: Laowa 11mm f/4.5 FF RL is 11mm, Sigma 15mm F1.4 DC Contemporary is 15mm — different framing and reach.
  • Durability: the Sigma 15mm F1.4 DC Contemporary is weather-sealed; the other isn't.

Frequently asked

Is the Laowa 11mm f/4.5 FF RL or the Sigma 15mm F1.4 DC Contemporary better?

These cover different focal lengths — the Laowa 11mm f/4.5 FF RL is 11mm, the Sigma 15mm F1.4 DC Contemporary is 15mm — so they're not really substitutes. Pick by the field of view you actually need: the Laowa 11mm f/4.5 FF RL for wide-angle, the Sigma 15mm F1.4 DC Contemporary for wide-angle.

Who should choose the Laowa 11mm f/4.5 FF RL?

Choose the Laowa 11mm f/4.5 FF RL if you value portability — at 158g (5.6 oz) it's lighter than the 220g (7.8 oz) alternative for travel and all-day carry.

Who should choose the Sigma 15mm F1.4 DC Contemporary?

Choose the Sigma 15mm F1.4 DC Contemporary if you want more light and background blur — f/1.4 is faster than f/4.5, better for low light and subject separation. Choose it if you need more reach — it goes to 15mm vs 11mm for distant subjects, wildlife and sport. Choose it if you like close-focus work — 0.15x magnification vs 0.07x. 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 11mm f/4.5 FF RL and the Sigma 15mm F1.4 DC Contemporary?

Aperture: the Sigma 15mm F1.4 DC Contemporary opens to f/1.4 vs the Laowa 11mm f/4.5 FF RL's f/4.5 — more light and shallower depth-of-field.

Product
Optical Design
Focal Length11mm15mm
Lens TypePrimePrime
Optical Elements813
Optical Groups611
Aperture & Iris
Maximum Aperturef/4.5f/1.4
Minimum Aperturef/22f/16
Aperture Blades79
Rounded ApertureNoYes
Coverage & Angle
Format CoverageFull-FrameAPS-C
Lens MountSony ESony E
Angle of View126°82.9°
35mm Equivalent23-23mm
Focus
AutofocusNoYes
Focus MotorHLA
Focus LimiterNoNo
AF/MF SwitchNoYes
Min Focus Distance20 cm18 cm
Max Magnification0.07x0.15x
Stabilization & Video
Optical StabilizationNoNo
Aperture RingNoYes
Declickable ApertureNoYes
ParfocalNoNo
Internal ZoomNoNo
General
Price (MSRP)$499$579
Filter Size62mm58mm
Diameter60.3mm64mm
Length45mm65mm
Weight158g (5.6 oz)220g (7.8 oz)
Weather SealedNoYes
Tripod CollarNoNo