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Viltrox 27mm f/1.2 STM AF Lens

The Viltrox 27mm f/1.2 is a 27mm f/1.2 lens designed for Fujifilm X, Sony E mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.

Viltrox 27mm f/1.2 STM AF Lens

Viltrox 27mm f/1.2 STM AF Lens

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Lens Overview — Viltrox 27mm f/1.2

The Viltrox 27mm f/1.2 is an APS-C prime lens built for mirrorless camera systems, available in both Fujifilm X and Sony E mounts. With a maximum aperture of f/1.2, it sits among the faster options in the APS-C prime category, giving photographers meaningful control over depth of field and the ability to shoot in lower ambient light without immediately reaching for higher ISO settings. The 27mm focal length falls into the standard range, making it a versatile choice for everyday shooting, street photography, portraits, and documentary work.

Autofocus is supported alongside manual focus, giving shooters the flexibility to switch between the two depending on the situation. The lens accepts 52mm filters, which is a relatively compact thread size that keeps filter costs modest. Weighing in at 300g, it strikes a reasonable balance between build substance and portability, sitting comfortably on a mirrorless body without feeling front-heavy.

No image stabilization is present, so shooters will need to rely on in-body stabilization if their camera offers it, or manage handholding technique accordingly. Overall, it is a straightforward, capable prime aimed at APS-C mirrorless users who prioritize a fast aperture in a standard focal length.

Key Features — Viltrox 27mm f/1.2

f/1.2 Maximum Aperture: One of the fastest apertures available in the APS-C prime category, enabling shallow depth of field and effective low-light shooting without heavy reliance on high ISO.

27mm APS-C Focal Length: Equivalent to approximately 40.5mm full-frame on Fujifilm X and approximately 40.5mm on Sony E, placing it in a natural, versatile field of view for street, documentary, and everyday photography.

STM Autofocus Motor: Stepping motor autofocus delivers smooth, quiet focusing performance well suited to both stills and video work.

Fujifilm X & Sony E Mount: Available in two mounts, covering the two most widely used APS-C mirrorless platforms without requiring an adapter.

Auto & Manual Focus: Full-time manual focus override lets shooters switch between AF and MF depending on the situation without entering a menu.

Compact Build: Lightweight construction keeps the lens well balanced on compact mirrorless bodies and practical for all-day carry.

Lens Specifications — Viltrox 27mm f/1.2

Viltrox 27mm f/1.2 full specifications
SpecDetail
Use CasesPortrait, Street, Travel, Night
Lens TypePrime
FormatAPS-C
Zoom/PrimePrime
Focal Length27mm
Maximum Aperturef/1.2
Camera SystemMirrorless
Lens MountFujifilm X, Sony E
AutofocusYes
Focus TypeAuto, Manual
Image StabilizationNone
Filter Thread52mm

Description — Viltrox 27mm f/1.2

The Viltrox 27mm f/1.2 is an APS-C prime lens for mirrorless systems, available in Fujifilm X and Sony E mounts. Its f/1.2 maximum aperture is one of the headline features, offering photographers a meaningful advantage in lower light conditions and giving significant control over background separation. The fixed 27mm focal length sits in the standard range, well-suited to general-purpose shooting including street, environmental portraiture, and travel photography.

Both autofocus and manual focus are supported, providing flexibility across shooting styles and scenarios. The lens takes 52mm filters, a compact and widely available size. At 300g, it is light enough to carry all day on a mirrorless body.

It is worth noting that no image stabilization is included, so shooters on bodies without IBIS should factor that into their handholding approach. The APS-C format designation means this lens is optimized for crop-sensor mirrorless cameras rather than full-frame systems.

Pros — Viltrox 27mm f/1.2

  • ✓Fast f/1.2 maximum aperture enables shallow depth of field and low-light flexibility
  • ✓Available in both Fujifilm X and Sony E mounts, covering two major APS-C mirrorless platforms
  • ✓Supports both autofocus and manual focus for versatile shooting control

Cons — Viltrox 27mm f/1.2

  • ✗No image stabilization, which may be a limitation on camera bodies without IBIS
  • ✗APS-C format only, not compatible with full-frame mirrorless bodies in their native mode
  • ✗Fixed 27mm focal length offers no zoom flexibility

Videos — Viltrox 27mm f/1.2

Viltrox AF 27mm f/1.2 lens review — Christopher Frost

Resources & Downloads — Viltrox 27mm f/1.2

Manuals & Guides

Frequently Asked Questions — Viltrox 27mm f/1.2

Which camera mounts is this lens compatible with?+
The Viltrox 27mm f/1.2 is available in Fujifilm X and Sony E mounts, both designed for APS-C mirrorless camera systems. Make sure to select the correct mount version for your camera body when purchasing.
Does this lens have image stabilization?+
No, this lens does not include optical image stabilization. If your camera body has in-body image stabilization (IBIS), that system can still compensate for camera shake when using this lens.
What filter size does this lens use?+
The Viltrox 27mm f/1.2 has a 52mm filter thread size, which is a common and affordable size compatible with a wide range of circular filters including polarizers and ND filters.
How heavy is this lens, and is it practical for everyday carry?+
The lens weighs 300g, making it a reasonably lightweight option for a fast f/1.2 prime. It should pair well with compact APS-C mirrorless bodies without adding significant bulk to your kit.
Can I use this lens for video shooting?+
The lens supports autofocus and manual focus, both of which are useful for video work. However, no optical image stabilization is present, so smooth handheld video may require either an IBIS-equipped camera body or external stabilization.
Is this a zoom or a prime lens?+
This is a prime lens with a fixed 27mm focal length. It falls within the standard focal length range and does not offer any zoom capability.

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