Viltrox AF 50mm f/1.4 PRO vs Viltrox AF 55mm f/1.8 EVO

The bottom line

These cover different focal lengths — the Viltrox AF 50mm f/1.4 PRO is 50mm, the Viltrox AF 55mm f/1.8 EVO is 55mm — so they're not really substitutes. Pick by the field of view you actually need: the Viltrox AF 50mm f/1.4 PRO for short-telephoto / portrait, the Viltrox AF 55mm f/1.8 EVO for short-telephoto / portrait.

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

  • You want more light and background blur — f/1.4 is faster than f/1.8, better for low light and subject separation.

Choose the Viltrox AF 55mm f/1.8 EVO if…

  • You're on a budget — $370 vs $549 leaves more for other gear.
  • You value portability — at 370g (13.1 oz) it's lighter than the 800g (1.76 lb) alternative for travel and all-day carry.

Where they differ

  • Aperture: the Viltrox AF 50mm f/1.4 PRO opens to f/1.4 vs the Viltrox AF 55mm f/1.8 EVO's f/1.8 — more light and shallower depth-of-field.
  • Focal range: Viltrox AF 50mm f/1.4 PRO is 50mm, Viltrox AF 55mm f/1.8 EVO is 55mm — different framing and reach.
  • Price: the Viltrox AF 55mm f/1.8 EVO is $370, $179 under the Viltrox AF 50mm f/1.4 PRO.
  • Weight: the Viltrox AF 55mm f/1.8 EVO is 370g (13.1 oz) vs 800g (1.76 lb) — you'll feel the difference handheld.

Frequently asked

Is the Viltrox AF 50mm f/1.4 PRO or the Viltrox AF 55mm f/1.8 EVO better?

These cover different focal lengths — the Viltrox AF 50mm f/1.4 PRO is 50mm, the Viltrox AF 55mm f/1.8 EVO is 55mm — so they're not really substitutes. Pick by the field of view you actually need: the Viltrox AF 50mm f/1.4 PRO for short-telephoto / portrait, the Viltrox AF 55mm f/1.8 EVO for short-telephoto / portrait.

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/1.8, better for low light and subject separation.

Who should choose the Viltrox AF 55mm f/1.8 EVO?

Choose the Viltrox AF 55mm f/1.8 EVO if you're on a budget — $370 vs $549 leaves more for other gear. Choose it if you value portability — at 370g (13.1 oz) it's lighter than the 800g (1.76 lb) alternative for travel and all-day carry.

What is the main difference between the Viltrox AF 50mm f/1.4 PRO and the Viltrox AF 55mm f/1.8 EVO?

Aperture: the Viltrox AF 50mm f/1.4 PRO opens to f/1.4 vs the Viltrox AF 55mm f/1.8 EVO's f/1.8 — more light and shallower depth-of-field.

Product
Optical Design
Focal Length50mm55mm
Lens TypePrimePrime
Optical Elements1513
Optical Groups119
Aperture & Iris
Maximum Aperturef/1.4f/1.8
Minimum Aperturef/16f/16
Aperture Blades119
Rounded ApertureYesYes
Coverage & Angle
Format CoverageFull-FrameFull-Frame
Lens MountSony ESony E
Angle of View47°43°
35mm Equivalent
Focus
AutofocusYesYes
Focus MotorVCMSTM
Focus LimiterNoNo
AF/MF SwitchYesYes
Min Focus Distance45 cm43 cm
Max Magnification0.15x
Stabilization & Video
Optical StabilizationNoNo
Aperture RingNoNo
Declickable ApertureNoNo
ParfocalNoNo
Internal ZoomNoNo
General
Price (MSRP)$549$370
Filter Size77mm58mm
Diameter84.5mm
Length111mm76mm
Weight800g (1.76 lb)370g (13.1 oz)
Weather SealedYesYes
Tripod CollarNoNo