Viltrox AF 20mm f/2.8 Air - Lens review and specs

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Leica L Sony E Sony/Minolta Alpha Prime full-frame 2026

Autofocus

Full-time Manual Focus

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Compare with

20mm

Focal length

f/2.8

Max aperture

157 g

Weight

14mm35mm85mm200mm600mm

▲ 20mm

Max aperture

f/1.8

f/2.8

f/5.6

Constant Aperture

Zoom Ratio: 1x

Aperturef/2.8

f/2.8f/16

Near focus2' 11"

Far focus4' 6"

Total DOF1' 7"

Hyperfocal16' 4"

Subject distance3' 7"

Focal length20 mm

Aperturef/2.8

SensorFull Frame

Illustrative scene preview based on this lens's focal length, aperture, and sensor coverage.

This preview uses 20mm, f/2.8, and Full Frame. Subject distance is estimated to keep lens previews comparable.

Min aperture: f/16
Diaphragm blades: 7

Optics

Optical construction: 10 elements in 8 groups
Special elements: 2 ED, 1 HR, 2 Aspherical
Coatings: HD Nano Multilayer Coating

Focusing

Minimum focus: 19 cm
Max magnification: 0.17×
AF motor: STM

Physical

Weight: 157 g
Dimensions: ⌀65mm × 60mm
Filter thread: 52 mm
Hood included: Yes
Color: Black

Recommended Use

Ideal for: astro, Landscapes, Street, Travel, Vlogging, Walkaround / Daily

Release year: 2026
Announced: Sep 22, 2026
Approx price: $168 USD

The best

Ultra-compact 20mm f/2.8 wide-angle prime for full-frame mirrorless.

Also

Featherweight 157g Air series chassis with 52mm filter thread.

Summary

Viltrox expands its popular Air series of ultra-compact prime lenses with the Viltrox AF 20mm f/2.8 Air, a lightweight wide-angle prime lens tailored for full-frame mirrorless camera bodies across Leica L, Sony E, and Nikon Z mounts. Tipping the scales at an astonishingly low 157 grams, this lens integrates an advanced 10-element in 8-group optical formula and a 7 blades aperture diaphragm into a pocketable form factor, offering creators a highly capable, wide 91.6-degree perspective without weighing down their camera kit.

The defining photographic value of this wide prime lies in its harmonious combination of broad spatial coverage and dependable edge-to-edge optical resolution. By incorporating 2 extra-low dispersion (ED) elements, 1 high-refractive index (HR) element, and 2 precision aspherical glass elements, the lens mitigates chromatic aberrations and spherical distortions, delivering clean contrast and rich color fidelity starting wide open at f/2.8. Furthermore, a remarkably short minimum focusing distance of 19 centimeters unlocks creative wide-angle close-up compositions with pleasant background separation.

In day-to-day shooting scenarios, the 20mm focal length shines across landscape photography, urban cityscapes, travel documentation, environmental portraiture, and handheld vlogging. The quiet stepping autofocus motor (STM) delivers swift, fluid subject acquisition fully compatible with advanced camera autofocus tracking modes, while the standard 52mm front filter thread and integrated USB-C interface for firmware upgrades make it an indispensable everyday wide-angle tool.