Quick answer
The TTArtisan 90mm f/1.25 is a short telephoto prime lens covering 90mm at f/1.25 for the Micro Four Thirds mount. Its very wide maximum aperture suits low light and shallow depth of field with strong background blur.
About this lens
TTArtisan 90mm f/1.25: a fast short-telephoto prime lens with a 90mm focal length and a maximum aperture of f/1.25, made for Micro Four Thirds mount cameras. The focal length is a classic choice for portraits and details.
TTArtisan 90mm f/1.25 specifications
- Brand
- TTArtisan
- Mount
- Micro Four Thirds
- Focal length
- 90mm
- Maximum aperture
- f/1.25
- Lens type
- Prime
What can you shoot with the TTArtisan 90mm f/1.25?
At 90mm this is a short telephoto prime, which typically suits:
- Portraits with a flattering perspective
- Events and weddings
- Isolating subjects from the background
Its very wide maximum aperture suits low light and shallow depth of field with strong background blur.
Full-frame equivalent and field of view
Calculated from the focal length and crop factor. Not measured.
| Sensor | Crop | Equivalent | Horizontal FOV | Diagonal FOV |
|---|---|---|---|---|
| Micro Four Thirds | 2.0x | 180mm | 11.4° | 13.7° |
Frequently asked questions
What mount does the TTArtisan 90mm f/1.25 use?
It uses the Micro Four Thirds mount, so it fits Micro Four Thirds cameras directly.
What is the focal length of the TTArtisan 90mm f/1.25?
It is a fixed 90mm lens with a maximum aperture of f/1.25. That makes it a short telephoto lens.
Is the TTArtisan 90mm f/1.25 a prime or a zoom lens?
It is a prime lens with a fixed 90mm focal length. Primes usually open wider than zooms; this one opens to f/1.25.
What is the TTArtisan 90mm f/1.25 equivalent on a crop sensor?
On Micro Four Thirds (2x crop) it frames like 180mm on full frame, with a 11.4° horizontal and 13.7° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the TTArtisan 90mm f/1.25 fit?
Any Micro Four Thirds-mount camera, including OM System OM-1, OM System OM-1 Mark II, OM System OM-5, Olympus OM-D E-M1, and Olympus OM-D E-M1 Mark II and 24 more.
Alternatives for Micro Four Thirds from other brands
All Micro Four Thirds lensesSame mount, overlapping focal range, closest maximum aperture first.
Olympus
M.Zuiko Digital ED 40-150mm f/2.8 PRO
40-150mm · f/2.8 · Micro Four Thirds
Voigtlander
APO-Lanthar 90mm f/3.5 SL
90mm · f/3.5 · Micro Four Thirds
Tamron
14-150mm f/3.5-5.8 Di III
14-150mm · f/3.5 · Micro Four Thirds
Olympus
M.Zuiko Digital ED 12-200mm F3.5-6.3
12-200mm · f/3.5 · Micro Four Thirds