TTArtisan Sony E mount Ultra-wide prime
TTArtisan 21mm f/1.5
Quick answer
The TTArtisan 21mm f/1.5 is a ultra-wide prime lens covering 21mm at f/1.5 for the Sony E mount. Its fast maximum aperture helps in dim light and gives good subject separation.
- APS-C (32mm equiv.)
- 52 Sony E cameras
- Focal
- 21mm
- Aperture
- f/1.5–16
- Weight
- 412g
- Filter
- 72mm
- AF motor
- None
What 21mm sees
- APS-C crop 1.5× → 32mm
- 69° 59.5° horizontal
Diagonal angle of view. Frames drawn to scale at 21mm. Calculated from the focal length and crop factor, not measured.
Open the field-of-view calculatorTTArtisan 21mm f/1.5 specifications
Optics
- Focal length
- 21mm
- Maximum aperture
- f/1.5
- Minimum aperture
- f/16
- Format coverage
- APS-C
- Optical construction
- 13 elements in 11 groups
- Aperture blades
- 10
Focus
- Autofocus motor
- None
Physical
- Filter thread
- 72 mm
- Weight
- 412 g
Specification source: ttartisan.com
What can you shoot with the TTArtisan 21mm f/1.5?
At 21mm this is a ultra-wide prime, which typically suits:
- Landscapes and big skies
- Architecture and interiors
- Astrophotography and night skies
Its fast maximum aperture helps in dim light and gives good subject separation.
Frequently asked questions
What mount does the TTArtisan 21mm f/1.5 use?
It uses the Sony E mount, so it fits Sony E cameras directly.
What is the focal length of the TTArtisan 21mm f/1.5?
It is a fixed 21mm lens with a maximum aperture of f/1.5. That makes it a ultra-wide lens.
Is the TTArtisan 21mm f/1.5 a prime or a zoom lens?
It is a prime lens with a fixed 21mm focal length. Primes usually open wider than zooms; this one opens to f/1.5.
What is the TTArtisan 21mm f/1.5 equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 32mm on full frame, with a 59.5° horizontal and 69° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the TTArtisan 21mm f/1.5 fit?
Any Sony E-mount camera, including Sony A1, Sony A3000, Sony A5000, Sony A5100, and Sony A6000 and 47 more.
Alternatives for Sony E from other brands
All Sony E lensesSame mount, overlapping focal range, closest maximum aperture first.
