Astrophotography
Irix 30 mm f/1.4 f/1.4 Canon EF
Pentax APS-C
Pentax smc DA 15 mm f/4 ED AL Limited
This is a APS-C prime lens for Pentax K, covering 15 mm and a maximum aperture of f/4. Released in 2009, it weighs 212 g. That combination suits landscape and architecture photography.
It is a prime lens designed for APS-C cameras. This wide-angle prime lens features a f/4 maximum aperture, making it ideal for landscape, architecture, astrophotography. The optical design incorporates 8 elements in 6 groups, ensuring sharp image quality and minimal distortion. Despite its robust professional construction, the lens delivers exceptional optical performance.
- f/4
- Aperture
- 15mm
- Focal
- 212 g
- Weight
- Mar 2009
- Released
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Good for landscapearchitecture
Astrophotography
§ 01
Specification
- Focal length
- 15 mm
- Maximum aperture
- f/4
- Minimum aperture
- f/22
- Number of diaphragm blades
- 7
- Optical construction
- 8 elements in 6 groups
- Minimum focusing distance
- 0.18 m (7.09 inches)
- Filter size
- 49 mm
- Lens mount
- Pentax K
- Dimensions
- 63 x 39.5 mm
- Weight
- 212 g (7.48 oz)
- Lens type
- Prime lens
- Max Format size
- APS-C
- Aperture ring
- No
- Usage
- Landscape, Architecture, Astrophotography
Wide open at 2 m, background blur ≈ 0.1% of the frame width
Report an error
§ 02
Sample frames
§ 03
Video reviews
§ 04
Similar lenses
§ 05