Sigma 30mm f/1.4 DC DN Contemporary vs Viltrox AF 85mm f/1.8 II FE

The bottom line

These cover different focal lengths — the Sigma 30mm f/1.4 DC DN Contemporary is 30mm, the Viltrox AF 85mm f/1.8 II FE is 85mm — so they're not really substitutes. Pick by the field of view you actually need: the Sigma 30mm f/1.4 DC DN Contemporary for standard, the Viltrox AF 85mm f/1.8 II FE for short-telephoto / portrait.

Choose the Sigma 30mm f/1.4 DC DN Contemporary if…

  • You want more light and background blur — f/1.4 is faster than f/1.8, better for low light and subject separation.
  • You shoot wide — it starts at 30mm vs 85mm for landscapes, interiors and architecture.
  • You value portability — at 265g (9.3 oz) it's lighter than the 464g (1.02 lb) alternative for travel and all-day carry.

Choose the Viltrox AF 85mm f/1.8 II FE if…

  • You need more reach — it goes to 85mm vs 30mm for distant subjects, wildlife and sport.

Where they differ

  • Aperture: the Sigma 30mm f/1.4 DC DN Contemporary opens to f/1.4 vs the Viltrox AF 85mm f/1.8 II FE's f/1.8 — more light and shallower depth-of-field.
  • Focal range: Sigma 30mm f/1.4 DC DN Contemporary is 30mm, Viltrox AF 85mm f/1.8 II FE is 85mm — different framing and reach.
  • Price: the Sigma 30mm f/1.4 DC DN Contemporary is $349, $100 under the Viltrox AF 85mm f/1.8 II FE.
  • Weight: the Sigma 30mm f/1.4 DC DN Contemporary is 265g (9.3 oz) vs 464g (1.02 lb) — you'll feel the difference handheld.

Frequently asked

Is the Sigma 30mm f/1.4 DC DN Contemporary or the Viltrox AF 85mm f/1.8 II FE better?

These cover different focal lengths — the Sigma 30mm f/1.4 DC DN Contemporary is 30mm, the Viltrox AF 85mm f/1.8 II FE is 85mm — so they're not really substitutes. Pick by the field of view you actually need: the Sigma 30mm f/1.4 DC DN Contemporary for standard, the Viltrox AF 85mm f/1.8 II FE for short-telephoto / portrait.

Who should choose the Sigma 30mm f/1.4 DC DN Contemporary?

Choose the Sigma 30mm f/1.4 DC DN Contemporary if you want more light and background blur — f/1.4 is faster than f/1.8, better for low light and subject separation. Choose it if you shoot wide — it starts at 30mm vs 85mm for landscapes, interiors and architecture. Choose it if you value portability — at 265g (9.3 oz) it's lighter than the 464g (1.02 lb) alternative for travel and all-day carry.

Who should choose the Viltrox AF 85mm f/1.8 II FE?

Choose the Viltrox AF 85mm f/1.8 II FE if you need more reach — it goes to 85mm vs 30mm for distant subjects, wildlife and sport.

What is the main difference between the Sigma 30mm f/1.4 DC DN Contemporary and the Viltrox AF 85mm f/1.8 II FE?

Aperture: the Sigma 30mm f/1.4 DC DN Contemporary opens to f/1.4 vs the Viltrox AF 85mm f/1.8 II FE's f/1.8 — more light and shallower depth-of-field.

Product
Optical Design
Focal Length30mm85mm
Lens TypePrimePrime
Optical Elements911
Optical Groups69
Aperture & Iris
Maximum Aperturef/1.4f/1.8
Minimum Aperturef/16f/16
Aperture Blades99
Rounded ApertureYesYes
Coverage & Angle
Format CoverageAPS-CFull-Frame
Lens MountSony ESony E
Angle of View51°29°
35mm Equivalent45-45mm
Focus
AutofocusYesYes
Focus MotorHLASTM
Focus LimiterNoNo
AF/MF SwitchYesNo
Min Focus Distance30 cm85 cm
Max Magnification0.1x0.12x
Stabilization & Video
Optical StabilizationNoNo
Aperture RingYesNo
Declickable ApertureYesNo
ParfocalNoNo
Internal ZoomNoNo
General
Price (MSRP)$349$449
Filter Size52mm67mm
Diameter64.8mm72mm
Length51.5mm92mm
Weight265g (9.3 oz)464g (1.02 lb)
Weather SealedNoNo
Tripod CollarNoNo