Sigma 15mm F1.4 DC Contemporary vs Voigtlander NOKTON 75mm f/1.5 Aspherical

The bottom line

These cover different focal lengths — the Sigma 15mm F1.4 DC Contemporary is 15mm, the Voigtlander NOKTON 75mm f/1.5 Aspherical is 75mm — so they're not really substitutes. Pick by the field of view you actually need: the Sigma 15mm F1.4 DC Contemporary for wide-angle, the Voigtlander NOKTON 75mm f/1.5 Aspherical for short-telephoto / portrait.

Choose the Sigma 15mm F1.4 DC Contemporary if…

  • You shoot wide — it starts at 15mm vs 75mm for landscapes, interiors and architecture.
  • You value portability — at 220g (7.8 oz) it's lighter than the 460g (1.01 lb) alternative for travel and all-day carry.
  • You like close-focus work — 0.15x magnification vs 0.1x.
  • You work outdoors — it's weather-sealed against dust and moisture; the other isn't.

Choose the Voigtlander NOKTON 75mm f/1.5 Aspherical if…

  • You need more reach — it goes to 75mm vs 15mm for distant subjects, wildlife and sport.

Where they differ

  • Aperture: the Sigma 15mm F1.4 DC Contemporary opens to f/1.4 vs the Voigtlander NOKTON 75mm f/1.5 Aspherical's f/1.5 — more light and shallower depth-of-field.
  • Focal range: Sigma 15mm F1.4 DC Contemporary is 15mm, Voigtlander NOKTON 75mm f/1.5 Aspherical is 75mm — different framing and reach.
  • Weight: the Sigma 15mm F1.4 DC Contemporary is 220g (7.8 oz) vs 460g (1.01 lb) — you'll feel the difference handheld.
  • Durability: the Sigma 15mm F1.4 DC Contemporary is weather-sealed; the other isn't.

Frequently asked

Is the Sigma 15mm F1.4 DC Contemporary or the Voigtlander NOKTON 75mm f/1.5 Aspherical better?

These cover different focal lengths — the Sigma 15mm F1.4 DC Contemporary is 15mm, the Voigtlander NOKTON 75mm f/1.5 Aspherical is 75mm — so they're not really substitutes. Pick by the field of view you actually need: the Sigma 15mm F1.4 DC Contemporary for wide-angle, the Voigtlander NOKTON 75mm f/1.5 Aspherical for short-telephoto / portrait.

Who should choose the Sigma 15mm F1.4 DC Contemporary?

Choose the Sigma 15mm F1.4 DC Contemporary if you shoot wide — it starts at 15mm vs 75mm for landscapes, interiors and architecture. Choose it if you value portability — at 220g (7.8 oz) it's lighter than the 460g (1.01 lb) alternative for travel and all-day carry. Choose it if you like close-focus work — 0.15x magnification vs 0.1x. Choose it if you work outdoors — it's weather-sealed against dust and moisture; the other isn't.

Who should choose the Voigtlander NOKTON 75mm f/1.5 Aspherical?

Choose the Voigtlander NOKTON 75mm f/1.5 Aspherical if you need more reach — it goes to 75mm vs 15mm for distant subjects, wildlife and sport.

What is the main difference between the Sigma 15mm F1.4 DC Contemporary and the Voigtlander NOKTON 75mm f/1.5 Aspherical?

Aperture: the Sigma 15mm F1.4 DC Contemporary opens to f/1.4 vs the Voigtlander NOKTON 75mm f/1.5 Aspherical's f/1.5 — more light and shallower depth-of-field.

Product
Optical Design
Focal Length15mm75mm
Lens TypePrimePrime
Optical Elements1310
Optical Groups118
Aperture & Iris
Maximum Aperturef/1.4f/1.5
Minimum Aperturef/16f/16
Aperture Blades912
Rounded ApertureYesYes
Coverage & Angle
Format CoverageAPS-CFull-Frame
Lens MountSony ESony E
Angle of View82.9°32°
35mm Equivalent23-23mm
Focus
AutofocusYesNo
Focus MotorHLA
Focus LimiterNoNo
AF/MF SwitchYesNo
Min Focus Distance18 cm75 cm
Max Magnification0.15x0.1x
Stabilization & Video
Optical StabilizationNoNo
Aperture RingYesNo
Declickable ApertureYesNo
ParfocalNoNo
Internal ZoomNoNo
General
Price (MSRP)$579$649
Filter Size58mm58mm
Diameter64mm72mm
Length65mm80.6mm
Weight220g (7.8 oz)460g (1.01 lb)
Weather SealedYesNo
Tripod CollarNoNo