Sigma 50mm f/1.2 DG DN Art vs Voigtlander SEPTON 40mm f/2 Aspherical

Key Differences

  • Voigtlander SEPTON 40mm f/2 Aspherical has a better weight (190g (6.7 oz) vs 750g (1.65 lb)).
  • Voigtlander SEPTON 40mm f/2 Aspherical has a better length (56.3mm vs 102mm).
  • Sigma 50mm f/1.2 DG DN Art has a better maximum aperture (f/1.2 vs f/2).
  • Voigtlander SEPTON 40mm f/2 Aspherical has a better aperture blades (10 vs 9).
Product
Optical Design
Focal Length50mm40mm
Lens TypePrimePrime
Optical Elements9
Optical Groups7
Aperture & Iris
Maximum Aperturef/1.2f/2
Minimum Aperturef/16f/16
Aperture Blades910
Rounded ApertureYesYes
Coverage & Angle
Format CoverageFull-FrameFull-Frame
Lens MountSony ESony E
Angle of View
35mm Equivalent
Focus
AutofocusYesNo
Focus MotorHLA
Focus LimiterNoNo
AF/MF SwitchYesNo
Min Focus Distance40 cm40 cm
Max Magnification0.15x0.15x
Stabilization & Video
Optical StabilizationNoNo
Aperture RingYesNo
Declickable ApertureYesNo
ParfocalNoNo
Internal ZoomNoNo
General
Price (MSRP)$999$999
Filter Size72mm49mm
Diameter85mm61.5mm
Length102mm56.3mm
Weight750g (1.65 lb)190g (6.7 oz)
Weather SealedYesNo
Tripod CollarNoNo