Sigma 35mm F1.2 DG II Art (L-mount) vs Viltrox AF 16mm f/1.8 (Leica L)

The bottom line

These cover different focal lengths — the Sigma 35mm F1.2 DG II Art (L-mount) is 35mm, the Viltrox AF 16mm f/1.8 (Leica L) is 16mm — so they're not really substitutes. Pick by the field of view you actually need: the Sigma 35mm F1.2 DG II Art (L-mount) for short-telephoto / portrait, the Viltrox AF 16mm f/1.8 (Leica L) for wide-angle.

Choose the Sigma 35mm F1.2 DG II Art (L-mount) if…

  • You want more light and background blur — f/1.2 is faster than f/1.8, better for low light and subject separation.
  • You need more reach — it goes to 35mm vs 16mm for distant subjects, wildlife and sport.
  • You like close-focus work — 0.19x magnification vs 0.1x.

Choose the Viltrox AF 16mm f/1.8 (Leica L) if…

  • You shoot wide — it starts at 16mm vs 35mm for landscapes, interiors and architecture.
  • You're on a budget — $580 vs $1,549 leaves more for other gear.
  • You value portability — at 550g (1.21 lb) it's lighter than the 755g (1.66 lb) alternative for travel and all-day carry.

Where they differ

  • Aperture: the Sigma 35mm F1.2 DG II Art (L-mount) opens to f/1.2 vs the Viltrox AF 16mm f/1.8 (Leica L)'s f/1.8 — more light and shallower depth-of-field.
  • Focal range: Sigma 35mm F1.2 DG II Art (L-mount) is 35mm, Viltrox AF 16mm f/1.8 (Leica L) is 16mm — different framing and reach.
  • Price: the Viltrox AF 16mm f/1.8 (Leica L) is $580, $969 under the Sigma 35mm F1.2 DG II Art (L-mount).
  • Weight: the Viltrox AF 16mm f/1.8 (Leica L) is 550g (1.21 lb) vs 755g (1.66 lb) — you'll feel the difference handheld.

Frequently asked

Is the Sigma 35mm F1.2 DG II Art (L-mount) or the Viltrox AF 16mm f/1.8 (Leica L) better?

These cover different focal lengths — the Sigma 35mm F1.2 DG II Art (L-mount) is 35mm, the Viltrox AF 16mm f/1.8 (Leica L) is 16mm — so they're not really substitutes. Pick by the field of view you actually need: the Sigma 35mm F1.2 DG II Art (L-mount) for short-telephoto / portrait, the Viltrox AF 16mm f/1.8 (Leica L) for wide-angle.

Who should choose the Sigma 35mm F1.2 DG II Art (L-mount)?

Choose the Sigma 35mm F1.2 DG II Art (L-mount) if you want more light and background blur — f/1.2 is faster than f/1.8, better for low light and subject separation. Choose it if you need more reach — it goes to 35mm vs 16mm for distant subjects, wildlife and sport. Choose it if you like close-focus work — 0.19x magnification vs 0.1x.

Who should choose the Viltrox AF 16mm f/1.8 (Leica L)?

Choose the Viltrox AF 16mm f/1.8 (Leica L) if you shoot wide — it starts at 16mm vs 35mm for landscapes, interiors and architecture. Choose it if you're on a budget — $580 vs $1,549 leaves more for other gear. Choose it if you value portability — at 550g (1.21 lb) it's lighter than the 755g (1.66 lb) alternative for travel and all-day carry.

What is the main difference between the Sigma 35mm F1.2 DG II Art (L-mount) and the Viltrox AF 16mm f/1.8 (Leica L)?

Aperture: the Sigma 35mm F1.2 DG II Art (L-mount) opens to f/1.2 vs the Viltrox AF 16mm f/1.8 (Leica L)'s f/1.8 — more light and shallower depth-of-field.

Product
Optical Design
Focal Length35mm16mm
Lens TypePrimePrime
Optical Elements1715
Optical Groups1312
Aperture & Iris
Maximum Aperturef/1.2f/1.8
Minimum Aperturef/16f/22
Aperture Blades119
Rounded ApertureYesYes
Coverage & Angle
Format CoverageFull-FrameFull-Frame
Lens MountLeica LLeica L
Angle of View63.4°105.6°
35mm Equivalent
Focus
AutofocusYesYes
Focus MotorHLASTM
Focus LimiterNoNo
AF/MF SwitchYesYes
Min Focus Distance28 cm27 cm
Max Magnification0.19x0.1x
Stabilization & Video
Optical StabilizationNoNo
Aperture RingYesNo
Declickable ApertureYesNo
ParfocalNoNo
Internal ZoomNoNo
General
Price (MSRP)$1,549$580
Filter Size72mm77mm
Diameter81mm85.2mm
Length111.4mm103mm
Weight755g (1.66 lb)550g (1.21 lb)
Weather SealedYesYes
Tripod CollarNoNo