Sigma 20mm f/1.4 DG DN Art vs Tamron 35-150mm F/2-2.8 Di III VXD

Key Differences

  • Sigma 20mm f/1.4 DG DN Art has a better weight (630g (1.39 lb) vs 1165g (2.57 lb)).
  • Sigma 20mm f/1.4 DG DN Art has a better maximum aperture (f/1.4 vs f/2).
  • Sigma 20mm f/1.4 DG DN Art has a better length (112.3mm vs 157.8mm).
  • Sigma 20mm f/1.4 DG DN Art has a better min focus distance (27 cm vs 33 cm).
  • Sigma 20mm f/1.4 DG DN Art has a better max magnification (0.14x vs 0.12x).
Product
Optical Design
Focal Length20mm35-150mm
Lens TypePrimeZoom
Optical Elements1722
Optical Groups1415
Aperture & Iris
Maximum Aperturef/1.4f/2
Minimum Aperturef/16f/22
Aperture Blades99
Rounded ApertureYesYes
Coverage & Angle
Format CoverageFull-FrameFull-Frame
Lens MountSony ESony E
Angle of View
35mm Equivalent
Focus
AutofocusYesYes
Focus MotorHLAVXD
Focus LimiterNoNo
AF/MF SwitchYesYes
Min Focus Distance27 cm33 cm
Max Magnification0.14x0.12x
Stabilization & Video
Optical StabilizationNoNo
Aperture RingYesNo
Declickable ApertureYesNo
ParfocalNoNo
Internal ZoomNoNo
General
Price (MSRP)$999$999
Filter Size82mm82mm
Diameter90mm89.8mm
Length112.3mm157.8mm
Weight630g (1.39 lb)1165g (2.57 lb)
Weather SealedYesYes
Tripod CollarNoNo