Sigma 35mm f/2 DG DN Contemporary vs Sony FE 40mm f/2.5 G

Key Differences

  • Sony FE 40mm f/2.5 G has a better weight (173g (6.1 oz) vs 325g (11.5 oz)).
  • Sony FE 40mm f/2.5 G has a better length (45.5mm vs 65.4mm).
  • Sigma 35mm f/2 DG DN Contemporary has a better maximum aperture (f/2 vs f/2.5).
  • Sony FE 40mm f/2.5 G has a better min focus distance (25 cm vs 30 cm).
  • Sony FE 40mm f/2.5 G has a better max magnification (0.23x vs 0.19x).
Product
Optical Design
Focal Length35mm40mm
Lens TypePrimePrime
Optical Elements118
Optical Groups97
Aperture & Iris
Maximum Aperturef/2f/2.5
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 MotorHLAXD Linear
Focus LimiterNoNo
AF/MF SwitchYesYes
Min Focus Distance30 cm25 cm
Max Magnification0.19x0.23x
Stabilization & Video
Optical StabilizationNoNo
Aperture RingYesYes
Declickable ApertureYesYes
ParfocalNoNo
Internal ZoomNoNo
General
Price (MSRP)$599$599
Filter Size58mm49mm
Diameter72.2mm68mm
Length65.4mm45.5mm
Weight325g (11.5 oz)173g (6.1 oz)
Weather SealedYesYes
Tripod CollarNoNo