Laowa 12mm f/2.8 Lite Zero-D FF AF vs Tamron 17-28mm F/2.8 Di III RXD

The bottom line

These cover different focal lengths — the Laowa 12mm f/2.8 Lite Zero-D FF AF is 12mm, the Tamron 17-28mm F/2.8 Di III RXD is 17-28mm — so they're not really substitutes. Pick by the field of view you actually need: the Laowa 12mm f/2.8 Lite Zero-D FF AF for wide-angle, the Tamron 17-28mm F/2.8 Di III RXD for wide-angle.

Choose the Laowa 12mm f/2.8 Lite Zero-D FF AF if…

  • You prefer a fast, compact single focal length — a 12mm prime over a zoom.
  • You value portability — at 322g (11.4 oz) it's lighter than the 420g (14.8 oz) alternative for travel and all-day carry.

Choose the Tamron 17-28mm F/2.8 Di III RXD if…

  • You need more reach — it goes to 28mm vs 12mm for distant subjects, wildlife and sport.
  • You want one-lens flexibility — a 17-28mm zoom covers what the fixed 12mm can't reframe.

Where they differ

  • Focal range: Laowa 12mm f/2.8 Lite Zero-D FF AF is 12mm, Tamron 17-28mm F/2.8 Di III RXD is 17-28mm — different framing and reach.
  • Type: the Tamron 17-28mm F/2.8 Di III RXD is a zoom (flexible framing), the Laowa 12mm f/2.8 Lite Zero-D FF AF a prime (one focal length, usually brighter and lighter).
  • Weight: the Laowa 12mm f/2.8 Lite Zero-D FF AF is 322g (11.4 oz) vs 420g (14.8 oz) — you'll feel the difference handheld.

Frequently asked

Is the Laowa 12mm f/2.8 Lite Zero-D FF AF or the Tamron 17-28mm F/2.8 Di III RXD better?

These cover different focal lengths — the Laowa 12mm f/2.8 Lite Zero-D FF AF is 12mm, the Tamron 17-28mm F/2.8 Di III RXD is 17-28mm — so they're not really substitutes. Pick by the field of view you actually need: the Laowa 12mm f/2.8 Lite Zero-D FF AF for wide-angle, the Tamron 17-28mm F/2.8 Di III RXD for wide-angle.

Who should choose the Laowa 12mm f/2.8 Lite Zero-D FF AF?

Choose the Laowa 12mm f/2.8 Lite Zero-D FF AF if you prefer a fast, compact single focal length — a 12mm prime over a zoom. Choose it if you value portability — at 322g (11.4 oz) it's lighter than the 420g (14.8 oz) alternative for travel and all-day carry.

Who should choose the Tamron 17-28mm F/2.8 Di III RXD?

Choose the Tamron 17-28mm F/2.8 Di III RXD if you need more reach — it goes to 28mm vs 12mm for distant subjects, wildlife and sport. Choose it if you want one-lens flexibility — a 17-28mm zoom covers what the fixed 12mm can't reframe.

What is the main difference between the Laowa 12mm f/2.8 Lite Zero-D FF AF and the Tamron 17-28mm F/2.8 Di III RXD?

Focal range: Laowa 12mm f/2.8 Lite Zero-D FF AF is 12mm, Tamron 17-28mm F/2.8 Di III RXD is 17-28mm — different framing and reach.

Product
Optical Design
Focal Length12mm17-28mm
Lens TypePrimeZoom
Optical Elements1313
Optical Groups1012
Aperture & Iris
Maximum Aperturef/2.8f/2.8
Minimum Aperturef/22f/22
Aperture Blades79
Rounded ApertureYesYes
Coverage & Angle
Format CoverageFull-FrameFull-Frame
Lens MountSony ESony E
Angle of View122°104° – 75°
35mm Equivalent
Focus
AutofocusYesYes
Focus MotorSTMRXD
Focus LimiterNoNo
AF/MF SwitchYesYes
Min Focus Distance18 cm19 cm
Max Magnification0.15x0.19x
Stabilization & Video
Optical StabilizationNoNo
Aperture RingNoNo
Declickable ApertureNoNo
ParfocalNoNo
Internal ZoomNoNo
General
Price (MSRP)$799$799
Filter Size67mm67mm
Diameter77.5mm73mm
Length71.8mm99mm
Weight322g (11.4 oz)420g (14.8 oz)
Weather SealedYesYes
Tripod CollarNoNo