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Voigtlander 28mm f/1.9 Ultron ASPH Lens

The Voigtlander 28mm f/1.9 ASPH is a 28mm f/1.9 lens designed for Leica M mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.

Voigtlander 28mm f/1.9 Ultron ASPH Lens

Voigtlander 28mm f/1.9 Ultron ASPH Lens

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Lens Overview — Voigtlander 28mm f/1.9 ASPH

The Voigtlander 28mm f/1.9 Ultron ASPH is a manual-focus prime lens designed for Leica M-mount rangefinder cameras, covering a full-frame image circle. With a maximum aperture of f/1.9, it sits in an attractive spot for a wide-angle lens — bright enough to handle demanding lighting situations while maintaining a relatively compact form factor. The lens weighs in at 280g, which is a reasonable heft for a full-frame wide-angle prime of this speed, and it keeps a modest 46mm filter thread size that makes accessories easy to source without adding bulk to the front element.

As a manual-focus-only lens designed around the rangefinder camera system, it integrates naturally with Leica M bodies and compatible third-party cameras that accept the Leica M mount. There is no image stabilization, which is expected for a lens of this type. The 28mm focal length positions it squarely in wide-angle territory, making it a natural candidate for street photography, documentary work, environmental portraiture, and travel — disciplines where rangefinder shooters have long gravitated toward compact, fast glass.

Overall, this is a purpose-built prime for photographers who value manual control and a wide, fast perspective.

Key Features — Voigtlander 28mm f/1.9 ASPH

28mm f/1.9 Aperture: A fast maximum aperture of f/1.9 gives this wide-angle prime strong low-light capability, uncommon at this focal length.

Leica M Mount: Designed for the Leica M-mount system, making it compatible with Leica M bodies and a wide range of third-party rangefinder and mirrorless cameras via adapter.

Full-Frame Coverage: Projects a full-frame image circle, ensuring full compatibility with both full-frame and crop-sensor M-mount cameras.

Aspherical Optical Design: The ASPH designation indicates at least one aspherical element, which helps control distortion and aberrations at wide apertures.

Manual Focus Only: Built for rangefinder-coupled manual focusing, integrating naturally into the shooting workflow of Leica M and compatible cameras.

Compact 280g Build: At 280g, the lens remains portable and discreet — well suited to street, travel, and documentary shooting styles common among rangefinder users.

Lens Specifications — Voigtlander 28mm f/1.9 ASPH

Voigtlander 28mm f/1.9 ASPH full specifications
SpecDetail
Use CasesPortrait, Landscape, Street, Creative Effects
Lens TypePrime
FormatFull Frame
Zoom/PrimePrime
Focal Length28mm
Maximum Aperturef/1.9
Camera SystemRangefinder
Lens MountLeica M
AutofocusNo
Focus TypeManual
Image StabilizationNone
Filter Thread46mm

Description — Voigtlander 28mm f/1.9 ASPH

The Voigtlander 28mm f/1.9 Ultron ASPH is a manual-focus prime built for the Leica M mount and designed to cover a full-frame image circle. Its f/1.9 maximum aperture makes it one of the brighter options available in the 28mm focal length range for rangefinder systems, giving photographers meaningful flexibility when light levels drop. The lens weighs 280g and accepts 46mm filters, keeping the overall package compact and well-suited to the understated, carry-anywhere nature of rangefinder shooting.

With a 28mm focal length placing it firmly in wide-angle territory, this prime is well-matched to street, travel, and documentary work where a broader field of view and fast aperture are valued. Focus is entirely manual, with no autofocus or image stabilization on board — both characteristics that fit squarely within the rangefinder camera tradition. For photographers already invested in the Leica M system who want a fast, compact wide-angle prime with manual control, the Voigtlander 28mm f/1.9 Ultron ASPH is a focused and purposeful option.

Pros — Voigtlander 28mm f/1.9 ASPH

  • ✓Fast f/1.9 maximum aperture provides strong low-light capability for a wide-angle prime
  • ✓Full-frame coverage ensures compatibility with both full-frame and smaller-sensor Leica M-mount bodies
  • ✓Compact 46mm filter thread keeps accessory costs low and front-end bulk minimal

Cons — Voigtlander 28mm f/1.9 ASPH

  • ✗Manual focus only — no autofocus option for shooters who need it
  • ✗No image stabilization, which requires steady technique in low light
  • ✗Leica M mount limits use to rangefinder-system cameras without an adapter

Videos — Voigtlander 28mm f/1.9 ASPH

A New 28mm King??? | Voigtlander 28mm Ultron II Review with the Leica M10 — Benj Haisch

Resources & Downloads — Voigtlander 28mm f/1.9 ASPH

Manuals & Guides

Frequently Asked Questions — Voigtlander 28mm f/1.9 ASPH

What cameras is this lens compatible with?+
The Voigtlander 28mm f/1.9 Ultron ASPH uses a Leica M mount, making it natively compatible with Leica M-system rangefinder cameras. It covers a full-frame image circle, so it can be used on both full-frame and smaller-sensor Leica M-mount bodies.
Does this lens have autofocus?+
No. This lens is manual focus only. It is designed around the rangefinder camera system, where manual focusing via the rangefinder coupling mechanism is the standard method of operation.
What filter size does this lens use?+
The lens has a 46mm filter thread, which is a relatively compact size that keeps the overall lens profile small and makes filters easy to find at a lower cost than larger thread sizes.
How heavy is the lens?+
The Voigtlander 28mm f/1.9 Ultron ASPH weighs 280g. For a full-frame prime with an f/1.9 maximum aperture, this is a fairly modest weight that suits the rangefinder shooting style.
Does the lens have image stabilization?+
No, this lens does not include image stabilization. Photographers should account for this when shooting in lower light or at slower shutter speeds.

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