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Leica 90mm f/2.5 Summarit-M Lens

The Leica 90mm f/2.5 is a 90mm f/2.5 lens designed for Leica M mount cameras. Used copies start from $859 on GearFocus, with buyer protection on every purchase.

Leica 90mm f/2.5 Summarit-M Lens

Leica 90mm f/2.5 Summarit-M Lens

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Lens OverviewLeica 90mm f/2.5

The Leica 90mm f/2.5 Summarit-M is a full-frame telephoto prime lens built for the Leica M-mount rangefinder system. With a focal length of 90mm and a maximum aperture of f/2.5, it sits in a classic portrait-friendly range that rangefinder shooters have long favored for its natural perspective and subject separation potential. The lens is manual focus only, which is entirely in keeping with the rangefinder shooting experience — coupling with the M-mount's mechanical focus mechanism for precise, tactile control.

At 400 grams, it offers a relatively manageable weight for a telephoto prime on the Leica M platform, making it a reasonable companion for extended shooting sessions on the street or while traveling. The 46mm filter thread size is on the compact side, reflecting the lens's restrained physical footprint. There is no image stabilization, which is consistent with the manual, deliberate nature of rangefinder photography.

As a full-frame lens on Leica M-mount cameras, it delivers coverage suited to the full 35mm format sensor or film frame. For photographers already invested in the Leica M system who want a 90mm telephoto prime with a bright f/2.5 aperture, this Summarit-M offers a focused, no-frills optical tool.

Key FeaturesLeica 90mm f/2.5

90mm f/2.5 Aperture: A bright maximum aperture for a telephoto prime, allowing meaningful subject separation and usable performance in lower light.

Leica M-Mount: Natively couples with the Leica M rangefinder focus mechanism for precise, tactile manual focusing.

Full-Frame Coverage: Designed for the complete 35mm format, covering both full-frame digital M bodies and 35mm film cameras without vignetting.

Manual Focus Only: Integrates directly with the M-mount rangefinder coupling system for deliberate, accurate focus control.

Portrait-Range Focal Length: 90mm is a classically favored focal length for portraiture and street photography on the M system, offering a natural perspective with comfortable working distance.

Compact 46mm Filter Thread: A smaller-than-typical filter diameter reflects the lens's restrained physical footprint for a telephoto prime.

Lens SpecificationsLeica 90mm f/2.5

Leica 90mm f/2.5 full specifications
SpecDetail
Use CasesPortrait, Street, Travel
Lens TypePrime
FormatFull Frame
Zoom/PrimePrime
Focal Length90mm
Maximum Aperturef/2.5
Camera SystemRangefinder
Lens MountLeica M
AutofocusNo
Focus TypeManual
Image StabilizationNone
Filter Thread46mm

DescriptionLeica 90mm f/2.5

The Leica 90mm f/2.5 Summarit-M is a full-frame, manual focus telephoto prime designed exclusively for the Leica M mount rangefinder system. Its 90mm focal length puts it firmly in telephoto territory, and the f/2.5 maximum aperture gives it a respectably bright stop for available-light shooting. Weighing in at 400g, it is a manageable lens for the Leica M platform without feeling insubstantial.

The 46mm filter thread keeps the front element housing compact, consistent with the understated physical profile typical of M-mount primes. There is no image stabilization, placing the emphasis squarely on the shooter's technique — a trade-off that aligns naturally with the deliberate, considered style that rangefinder photography encourages. As a prime lens with a fixed 90mm focal length, it demands compositional commitment, rewarding photographers who work methodically.

Whether used on a digital or film M-body, the Summarit-M delivers full-frame coverage and integrates directly with the M-mount's rangefinder coupling system for precise manual focus operation.

ProsLeica 90mm f/2.5

  • Maximum aperture of f/2.5 provides a bright stop for a 90mm telephoto prime
  • Native Leica M mount ensures direct, proper fit with M-system rangefinder cameras
  • Full-frame coverage supports the complete 35mm format without compromise

ConsLeica 90mm f/2.5

  • Manual focus only — no autofocus option for those who need it
  • No image stabilization, which demands steady technique at 90mm
  • Limited to Leica M mount, restricting use to the M-system rangefinder ecosystem

VideosLeica 90mm f/2.5

Red Dot Forum Camera Talk: Telephoto Leica M LensesRedDotForum

Resources & DownloadsLeica 90mm f/2.5

Manuals & Guides

Frequently Asked QuestionsLeica 90mm f/2.5

What camera mount does this lens use?+
The lens uses the Leica M mount, making it compatible with Leica M-system rangefinder cameras. It is not designed for other mount systems without the use of third-party adapters.
Does this lens have autofocus?+
No. This lens is manual focus only, which is standard for Leica M-mount lenses and suits the rangefinder shooting workflow. There is no autofocus mechanism of any kind.
What sensor format does this lens cover?+
The Summarit-M is a full-frame lens, meaning it covers the complete 35mm format — whether on a digital M-body with a full-frame sensor or on film.
What filter size does this lens accept?+
The filter thread diameter is 46mm. If you use filters in a larger size, you will need a step-up ring to fit them to this lens.
How heavy is this lens?+
The lens weighs 400 grams, which is relatively light for a 90mm telephoto prime and keeps the overall kit weight reasonable when paired with an M-mount body.
Does this lens have image stabilization?+
No, the Leica 90mm f/2.5 Summarit-M has no image stabilization. Shooters should account for this when working in lower light or at slower shutter speeds.

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