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TTArtisan 90mm f/1.25

The TTArtisan 90mm f/1.25 is a 90mm f/1.25 lens designed for Leica M mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.

TTArtisan 90mm f/1.25

TTArtisan 90mm f/1.25

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Lens Overview — TTArtisan 90mm f/1.25

The TTArtisan 90mm f/1.25 is a manual-focus prime lens designed for the Leica M mount, built to serve full-frame mirrorless camera systems. Sitting in the telephoto focal length range and classified as a portrait-type lens, it pairs a fixed 90mm focal length with an exceptionally wide maximum aperture of f/1.25, making it one of the more light-hungry options available for this mount. That aperture figure gives photographers a significant advantage when working in challenging lighting conditions, and it opens the door to a very shallow depth of field for subject isolation work.

Being a fully manual lens, focus is handled entirely by the shooter — a characteristic that aligns naturally with the deliberate, tactile shooting style associated with Leica M-mount cameras and rangefinder-style bodies. The lens accepts 62mm filter thread accessories, which is useful for polarizers or neutral density filters. At 1,017 grams, it carries a substantial weight, which is worth factoring into ergonomic considerations when paired with a mirrorless body.

No image stabilization is present, so steady hands or a stable shooting platform become more important, especially at the wide f/1.25 aperture. Overall, it is a full-frame compatible prime that prioritizes maximum light transmission and manual control.

Key Features — TTArtisan 90mm f/1.25

f/1.25 Maximum Aperture: One of the widest apertures available for the Leica M mount, enabling shooting in very low light and producing an extremely shallow depth of field.

90mm Portrait Focal Length: A classic telephoto portrait length that provides flattering subject compression and comfortable working distance from the subject.

Full-Frame Coverage: Image circle covers full-frame sensors, making it compatible with full-frame Leica M-mount mirrorless bodies without vignetting.

Native Leica M Mount: Direct mount compatibility with Leica M-mount cameras and other mirrorless bodies using an M-mount adapter.

Manual Focus Design: Fully manual focus operation suits the deliberate, tactile shooting style typical of rangefinder and Leica M-style systems.

62mm Filter Thread: Standard 62mm thread accepts widely available polarizers, ND filters, and other accessories.

Lens Specifications — TTArtisan 90mm f/1.25

TTArtisan 90mm f/1.25 full specifications
SpecDetail
Use CasesStudio, Fashion
Lens TypePortrait
FormatFull Frame
Zoom/PrimePrime
Focal Length90mm
Maximum Aperturef/1.25
Camera SystemMirrorless
Lens MountLeica M
AutofocusNo
Focus TypeManual
Image StabilizationNone
Filter Thread62mm

Description — TTArtisan 90mm f/1.25

The TTArtisan 90mm f/1.25 is a prime portrait lens built for the Leica M mount and designed to work with full-frame mirrorless camera systems. Its defining feature is the f/1.25 maximum aperture, which sits at the very wide end of what is available for this mount and focal length combination. The lens is fixed at 90mm, placing it in the telephoto focal length range — a classic choice for portrait-oriented shooting where subject compression and background separation are priorities.

All focusing is handled manually, consistent with the Leica M mount's shooting philosophy and the expectations of photographers who prefer direct, hands-on control. The lens weighs 1,017 grams and features a 62mm filter thread, accommodating a wide range of common filter types. No image stabilization is included, so confident manual focus technique and stable shooting form are important when working at the lens's widest aperture settings.

Pros — TTArtisan 90mm f/1.25

  • ✓Exceptionally wide maximum aperture of f/1.25 enables shooting in very low light conditions
  • ✓Fixed 90mm focal length in the telephoto range is well-suited to portrait work
  • ✓Full-frame compatible lens format ensures coverage across full-frame mirrorless sensors

Cons — TTArtisan 90mm f/1.25

  • ✗Fully manual focus only — no autofocus support of any kind
  • ✗No image stabilization, which can be a challenge at this aperture and focal length
  • ✗At 1,017 grams, the lens is quite heavy for a mirrorless system prime

Videos — TTArtisan 90mm f/1.25

TTArtisan 90mm f/1.25 lens review with samples — Christopher Frost

Resources & Downloads — TTArtisan 90mm f/1.25

Manuals & Guides

Frequently Asked Questions — TTArtisan 90mm f/1.25

Does the TTArtisan 90mm f/1.25 support autofocus?+
No, this lens is manual focus only. The specifications confirm autofocus is not supported, so all focusing must be done manually by the photographer.
What camera mount does this lens use?+
The TTArtisan 90mm f/1.25 is built for the Leica M lens mount. It is designed for use with mirrorless camera systems that accept this mount.
Will this lens cover a full-frame sensor?+
Yes, the lens format is specified as Full Frame, meaning it is designed to provide coverage for full-frame sensors without vignetting concerns inherent to the image circle.
What filter size does the TTArtisan 90mm f/1.25 use?+
The lens has a 62mm filter thread, so any standard 62mm filters — such as polarizers or ND filters — will fit directly on the front of the lens.
Does the lens include image stabilization?+
No, image stabilization is listed as None in the specifications. Photographers will need to rely on their own technique or any in-body stabilization their camera may offer.
How heavy is the TTArtisan 90mm f/1.25?+
The lens weighs 1,017 grams. This is a significant weight to consider when planning your kit, particularly for handheld shooting over extended periods.

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