Irix 30 mm f/1.4 f/1.4 Canon EF
HD APS-C
HD Pentax-DA 40mm f/2.8 Limited
This is a APS-C prime lens for Pentax K, covering 40 mm and a maximum aperture of f/2.8. Released in 2004, it weighs 89 g. That combination suits street and travel photography.
It is a compact standard prime lens designed for Pentax K-mount APS-C DSLR cameras. Offering a 60mm equivalent focal length in 35mm format, it provides a natural perspective suitable for street photography, portraits, and general-purpose shooting. The lens features Pentax's HD (High Definition) multi-layer coating to minimize flare and ghosting, ensuring high-contrast, sharp images even in challenging lighting conditions. Its all-metal construction reflects the premium Limited series build quality, combining durability with a classic aesthetic. The lens's ultra-compact 'pancake' design makes it highly portable, ideal for photographers seeking a lightweight setup without compromising image quality.
- f/2.8
- Aperture
- 40mm
- Focal
- 89 g
- Weight
- Nov 2004
- Released
We may earn a commission when you buy through these links. As an Amazon Associate we earn from qualifying purchases. Affiliate disclosure
Good for streettravel
§ 01
Specification
- Lens type
- Standard prime lens
- Max Format size
- APS-C
- Focal length
- 40 mm
- Image stabilization
- No
- Lens mount
- Pentax K
- Maximum aperture
- f/2.8
- Minimum aperture
- f/22
- Aperture ring
- No
- Number of diaphragm blades
- 9 (rounded)
- Optical construction
- 5 elements in 4 groups
- Minimum focusing distance
- 0.4 m (15.7 inches)
- Maximum magnification
- 0.13x
- Filter size
- 49 mm
- Dimensions
- 63 mm (diameter) x 15 mm (length)
- Weight
- 89 g (3.1 oz)
- Weather sealing
- No
- Usage
- street, travel
Wide open at 2 m, background blur ≈ 1.2% of the frame width
Report an error
§ 02
Sample frames
§ 03
Video reviews
§ 04
Similar lenses
§ 05