Viltrox AF 35mm f/1.7 AIR - Lens review and specs

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Micro Four Thirds Prime aps-c 2026

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35mm

Focal length

f/1.7

Max aperture

170 g

Weight

14mm35mm85mm200mm600mm

▲ 35mm

Max aperture

f/1.4

f/1.7

f/2.8

Constant Aperture

Near focus8' 11"

Far focus10' 4"

Total DOF1' 5"

Hyperfocal125' 6"

Subject distance9' 7"

Focal length35 mm

Aperturef/1.7

SensorAPS-C

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

This preview uses 35mm, f/1.7, and APS-C. Subject distance is estimated to keep lens previews comparable.

Diaphragm blades: 9

Optics

Optical construction: 11 elements in 9 groups

Focusing

Minimum focus: 33 cm
AF motor: STM Stepping Motor

Physical

Weight: 170 g
Dimensions: ⌀64mm × 59mm
Filter thread: 52 mm
Color: Black

Recommended Use

Ideal for: Travel, Walkaround / Daily

Release year: 2026
Approx price: $179 USD
Optical correction & RAW development: NDPix Photo Editor

The best

Ultra-compact 35mm f/1.7 standard autofocus prime for APS-C mirrorless.

Also

Lightweight 170g design, quiet STM motor, and bright low-light performance.

Summary

The Viltrox AF 35mm f/1.7 AIR from Viltrox is a compact and lightweight prime lens engineered specifically for APS-C mirrorless camera systems. Weighing in at an exceptionally low 170g and delivering a natural standard field of view with its 35mm focal length (equivalent to approximately 52mm on full-frame), this AIR series lens provides the perfect balance of portability, bright low-light capability, and budget-friendly accessibility for everyday street, travel, documentary, and portrait photography.

Its optical formula incorporates 11 elements in 9 groups, utilizing specialized high-refractive index and extra-low dispersion glass elements to minimize chromatic aberrations and ensure consistent sharpness across the frame. The 9-blade circular aperture diaphragm renders smooth and pleasing background bokeh with gentle transitions, while the fast STM stepping autofocus motor delivers quiet, responsive, and precise subject tracking compatible with modern eye-detection algorithms in both photo and video modes.

Engineered for maximum grab-and-go convenience, the Viltrox AF 35mm f/1.7 AIR features compact dimensions measuring 64mm in diameter by 59mm in length, along with a standard 52mm front filter thread that accepts common and affordable filters. With a close focusing distance of 0.33m (330mm) for intimate detail shots and an integrated USB-C port on the metal mount for seamless firmware updates, this versatile prime stands out as an outstanding everyday companion.