Laowa 14mm f/4 FF RL Zero-D vs Tamron 17-28mm F/2.8 Di III RXD

Key Differences

  • Laowa 14mm f/4 FF RL Zero-D has a better length (49mm vs 99mm).
  • Laowa 14mm f/4 FF RL Zero-D has a better weight (228g (8.0 oz) vs 420g (14.8 oz)).
  • Tamron 17-28mm F/2.8 Di III RXD has a better maximum aperture (f/2.8 vs f/4).
  • Tamron 17-28mm F/2.8 Di III RXD has a better aperture blades (9 vs 7).
  • Tamron 17-28mm F/2.8 Di III RXD has a better max magnification (0.19x vs 0.07x).
Product
Optical Design
Focal Length14mm17-28mm
Lens TypePrimeZoom
Optical Elements1213
Optical Groups812
Aperture & Iris
Maximum Aperturef/4f/2.8
Minimum Aperturef/16f/22
Aperture Blades79
Rounded ApertureNoYes
Coverage & Angle
Format CoverageFull-FrameFull-Frame
Lens MountSony ESony E
Angle of View
35mm Equivalent
Focus
AutofocusNoYes
Focus MotorRXD
Focus LimiterNoNo
AF/MF SwitchNoYes
Min Focus Distance20 cm19 cm
Max Magnification0.07x0.19x
Stabilization & Video
Optical StabilizationNoNo
Aperture RingNoNo
Declickable ApertureNoNo
ParfocalNoNo
Internal ZoomNoNo
General
Price (MSRP)$799$799
Filter Size67mm
Diameter68mm73mm
Length49mm99mm
Weight228g (8.0 oz)420g (14.8 oz)
Weather SealedNoYes
Tripod CollarNoNo