Sigma 24mm f/1.8 EX DG ASPHERICAL MACRO
Quick answer
The Sigma 24mm f/1.8 EX DG ASPHERICAL MACRO is a wide-angle macro lens covering 24mm at f/1.8 for the Pentax K mount. Its fast maximum aperture helps in dim light and gives good subject separation.
- Full frame
- APS-C (36mm equiv.)
- 29 Pentax K cameras
- Focal
- 24mm
- Aperture
- f/1.8–22
- Filter
- 77mm
- Min focus
- 0.18m
What 24mm sees
- Full frame crop 1.0×
- 84.1° 73.7° horizontal
- APS-C crop 1.5× → 36mm
- 62° 53.1° horizontal
Diagonal angle of view. Frames drawn to scale at 24mm. Calculated from the focal length and crop factor, not measured.
Open the field-of-view calculatorSigma 24mm f/1.8 EX DG ASPHERICAL MACRO specifications
Optics
- Focal length
- 24mm
- Maximum aperture
- f/1.8
- Minimum aperture
- f/22
- Format coverage
- Full frame
- Optical construction
- 10 elements in 9 groups
- Aperture blades
- 9
Focus
- Minimum focus distance
- 0.18 m
- Maximum magnification
- 0.37×
Physical
- Filter thread
- 77 mm
Specification source: sigma-global.com
What can you shoot with the Sigma 24mm f/1.8 EX DG ASPHERICAL MACRO?
At 24mm this is a wide-angle macro, which typically suits:
- Landscapes and cityscapes
- Street and travel photography
- Environmental portraits and interiors
Its fast maximum aperture helps in dim light and gives good subject separation.
Frequently asked questions
What mount does the Sigma 24mm f/1.8 EX DG ASPHERICAL MACRO use?
It uses the Pentax K mount, so it fits Pentax K cameras directly.
What is the focal length of the Sigma 24mm f/1.8 EX DG ASPHERICAL MACRO?
It is a fixed 24mm lens with a maximum aperture of f/1.8. That makes it a wide-angle lens.
Is the Sigma 24mm f/1.8 EX DG ASPHERICAL MACRO a prime or a zoom lens?
It is a prime lens with a fixed 24mm focal length. Primes usually open wider than zooms; this one opens to f/1.8.
What is the Sigma 24mm f/1.8 EX DG ASPHERICAL MACRO equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 36mm on full frame, with a 53.1° horizontal and 62° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Sigma 24mm f/1.8 EX DG ASPHERICAL MACRO 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.
