Viltrox AF 35mm f/1.7 AIR vs Viltrox AF 50mm f/1.4 PRO

The bottom line

These cover different focal lengths — the Viltrox AF 35mm f/1.7 AIR is 35mm, the Viltrox AF 50mm f/1.4 PRO is 50mm — so they're not really substitutes. Pick by the field of view you actually need: the Viltrox AF 35mm f/1.7 AIR for short-telephoto / portrait, the Viltrox AF 50mm f/1.4 PRO for short-telephoto / portrait.

Choose the Viltrox AF 35mm f/1.7 AIR if…

  • You shoot wide — it starts at 35mm vs 50mm for landscapes, interiors and architecture.
  • You're on a budget — $180 vs $549 leaves more for other gear.
  • You value portability — at 170g (6.0 oz) it's lighter than the 800g (1.76 lb) alternative for travel and all-day carry.

Choose the Viltrox AF 50mm f/1.4 PRO if…

  • You want more light and background blur — f/1.4 is faster than f/1.7, better for low light and subject separation.
  • You need more reach — it goes to 50mm vs 35mm for distant subjects, wildlife and sport.
  • You work outdoors — it's weather-sealed against dust and moisture; the other isn't.

Where they differ

  • Aperture: the Viltrox AF 50mm f/1.4 PRO opens to f/1.4 vs the Viltrox AF 35mm f/1.7 AIR's f/1.7 — more light and shallower depth-of-field.
  • Focal range: Viltrox AF 35mm f/1.7 AIR is 35mm, Viltrox AF 50mm f/1.4 PRO is 50mm — different framing and reach.
  • Price: the Viltrox AF 35mm f/1.7 AIR is $180, $369 under the Viltrox AF 50mm f/1.4 PRO.
  • Weight: the Viltrox AF 35mm f/1.7 AIR is 170g (6.0 oz) vs 800g (1.76 lb) — you'll feel the difference handheld.
  • Durability: the Viltrox AF 50mm f/1.4 PRO is weather-sealed; the other isn't.

Frequently asked

Is the Viltrox AF 35mm f/1.7 AIR or the Viltrox AF 50mm f/1.4 PRO better?

These cover different focal lengths — the Viltrox AF 35mm f/1.7 AIR is 35mm, the Viltrox AF 50mm f/1.4 PRO is 50mm — so they're not really substitutes. Pick by the field of view you actually need: the Viltrox AF 35mm f/1.7 AIR for short-telephoto / portrait, the Viltrox AF 50mm f/1.4 PRO for short-telephoto / portrait.

Who should choose the Viltrox AF 35mm f/1.7 AIR?

Choose the Viltrox AF 35mm f/1.7 AIR if you shoot wide — it starts at 35mm vs 50mm for landscapes, interiors and architecture. Choose it if you're on a budget — $180 vs $549 leaves more for other gear. Choose it if you value portability — at 170g (6.0 oz) it's lighter than the 800g (1.76 lb) alternative for travel and all-day carry.

Who should choose the Viltrox AF 50mm f/1.4 PRO?

Choose the Viltrox AF 50mm f/1.4 PRO if you want more light and background blur — f/1.4 is faster than f/1.7, better for low light and subject separation. Choose it if you need more reach — it goes to 50mm vs 35mm for distant subjects, wildlife and sport. Choose it if you work outdoors — it's weather-sealed against dust and moisture; the other isn't.

What is the main difference between the Viltrox AF 35mm f/1.7 AIR and the Viltrox AF 50mm f/1.4 PRO?

Aperture: the Viltrox AF 50mm f/1.4 PRO opens to f/1.4 vs the Viltrox AF 35mm f/1.7 AIR's f/1.7 — more light and shallower depth-of-field.

Product
Optical Design
Focal Length35mm50mm
Lens TypePrimePrime
Optical Elements1115
Optical Groups911
Aperture & Iris
Maximum Aperturef/1.7f/1.4
Minimum Aperturef/16f/16
Aperture Blades911
Rounded ApertureYesYes
Coverage & Angle
Format CoverageAPS-CFull-Frame
Lens MountSony ESony E
Angle of View44°47°
35mm Equivalent53-53mm
Focus
AutofocusYesYes
Focus MotorSTMVCM
Focus LimiterNoNo
AF/MF SwitchYesYes
Min Focus Distance33 cm45 cm
Max Magnification0.13x0.15x
Stabilization & Video
Optical StabilizationNoNo
Aperture RingNoNo
Declickable ApertureNoNo
ParfocalNoNo
Internal ZoomNoNo
General
Price (MSRP)$180$549
Filter Size52mm77mm
Diameter64mm84.5mm
Length54.7mm111mm
Weight170g (6.0 oz)800g (1.76 lb)
Weather SealedNoYes
Tripod CollarNoNo