Samyang Pentax K mount Ultra-wide prime
Samyang 16mm T2.6 ED AS UMC
Quick answer
The Samyang 16mm T2.6 ED AS UMC is a ultra-wide prime lens covering 16mm at f/2.6 for the Pentax K mount. Its bright maximum aperture handles indoor and evening light reasonably well.
- Full frame
- APS-C (24mm equiv.)
- 29 Pentax K cameras
- Focal
- 16mm
- Aperture
- f/2.6
- Min focus
- 0.3m
- AF motor
- None
What 16mm sees
- Full frame crop 1.0×
- 107° 96.7° horizontal
- APS-C crop 1.5× → 24mm
- 84.1° 73.7° horizontal
Diagonal angle of view. Frames drawn to scale at 16mm. Calculated from the focal length and crop factor, not measured.
Open the field-of-view calculatorSamyang 16mm T2.6 ED AS UMC specifications
Optics
- Focal length
- 16mm
- Maximum aperture
- f/2.6
- Format coverage
- Full frame
- Optical construction
- 14 elements in 11 groups
Focus
- Autofocus motor
- None
- Minimum focus distance
- 0.3 m
Physical
- Length
- 94.6 mm
- Diameter
- 81.65 mm
Specification source: lksamyang.com
What can you shoot with the Samyang 16mm T2.6 ED AS UMC?
At 16mm this is a ultra-wide prime, which typically suits:
- Landscapes and big skies
- Architecture and interiors
- Astrophotography and night skies
Its bright maximum aperture handles indoor and evening light reasonably well.
Frequently asked questions
What mount does the Samyang 16mm T2.6 ED AS UMC use?
It uses the Pentax K mount, so it fits Pentax K cameras directly.
What is the focal length of the Samyang 16mm T2.6 ED AS UMC?
It is a fixed 16mm lens with a maximum aperture of f/2.6. That makes it a ultra-wide lens.
Is the Samyang 16mm T2.6 ED AS UMC a prime or a zoom lens?
It is a prime lens with a fixed 16mm focal length. Primes usually open wider than zooms; this one opens to f/2.6.
What is the Samyang 16mm T2.6 ED AS UMC equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 24mm on full frame, with a 73.7° horizontal and 84.1° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Samyang 16mm T2.6 ED AS UMC fit?
Any Pentax K-mount camera, including Pentax *ist DL, Pentax *ist DS, Pentax K-01, Pentax K-1, and Pentax K-3 and 24 more.
Alternatives for Pentax K from other brands
All Pentax K lensesSame mount, overlapping focal range, closest maximum aperture first.