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Samyang 14mm f/2.8 IF ED UMC Aspherical vs Viltrox AF 14mm f/4 Air

Both are Sony E prime lenses for full frame. Here is what actually differs.

Pick the Samyang 14mm f/2.8 IF ED UMC Aspherical if

  • You need 1 stop more light for low light or background blur (f/2.8 vs f/4)

Pick the Viltrox AF 14mm f/4 Air if

  • You want the lighter lens to carry: 400 g lighter (170 g vs 570 g)
  • You want autofocus (STM): the Samyang 14mm f/2.8 IF ED UMC Aspherical is manual focus only
  • You shoot close-ups: it focuses down to 0.13 m vs 0.28 m
  • You want a compact lens: 56.4 mm vs 122.1 mm long

Spec differences

11 differences
Specifications that differ between the Samyang 14mm f/2.8 IF ED UMC Aspherical and the Viltrox AF 14mm f/4 Air
Samyang 14mm f/2.8 IF ED UMC Aspherical Viltrox AF 14mm f/4 Air
Brand
Samyang
Viltrox
Max aperture
f/2.8 1 stop faster
f/4
Weight
570 g
170 g lighter
Length
122.1 mm
56.4 mm shorter
Diameter
87 mm
65 mm slimmer
Filter thread
not listed
58 mm
Min focus distance
0.28 m
0.13 m closer
Max magnification
not listed
0.23×
Aperture blades
not listed
7
Optical design
14 elements / 10 groups
12 elements / 9 groups
Autofocus motor
Manual focus
STM
5 identical specs hidden: mount, type, format, focal length, image stabilization. Show all
Mount
Sony E both
Type
Prime both
Format
Full frame both
Focal length
14mm both
Image stabilization
No both

Our notes

Samyang 14mm f/2.8 IF ED UMC Aspherical

Samyang 14mm f/2.8 IF ED UMC Aspherical: a wide-angle prime lens with a 14mm focal length and a maximum aperture of f/2.8, made for Sony E mount cameras, with extra-low dispersion glass and aspherical elements. A manual-focus ultra-wide prime well known for landscape and astro...

Our notes

Viltrox AF 14mm f/4 Air

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