HD Pentax-FA 43mm f/1.9 Limited
This is a full-frame prime lens for Pentax K, covering 43 mm and a maximum aperture of f/1.9. Released in 1997, it weighs 155 g. That combination suits low-light photography.
It is a compact standard prime lens designed for Pentax K-mount full-frame and APS-C DSLR cameras. With a slightly wider-than-normal 43mm focal length and a bright f/1.9 maximum aperture, it offers a natural perspective ideal for portraits, street photography, and everyday 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 compact 'pancake' design makes it highly portable, ideal for photographers seeking a lightweight setup without compromising image quality.
- f/1.9
- Aperture
- 43mm
- Focal
- 155 g
- Weight
- Apr 1997
- Released
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Specification
- Lens type
- Standard prime lens
- Max Format size
- Full Frame
- Focal length
- 43 mm
- Image stabilization
- No
- Lens mount
- Pentax K
- Maximum aperture
- f/1.9
- Minimum aperture
- f/22
- Aperture ring
- Yes
- Number of diaphragm blades
- 8 (rounded)
- Optical construction
- 7 elements in 6 groups
- Minimum focusing distance
- 0.45 m (1.5 ft)
- Maximum magnification
- 0.12x
- Filter size
- 49 mm
- Dimensions
- 64 mm (diameter) x 27 mm (length)
- Weight
- 155 g (5.5 oz)
- Weather sealing
- No
- Usage
- portrait, street
Wide open at 2 m, background blur ≈ 1.4% of the frame width
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Sample frames
Video reviews
Portrait
Street