![Pentax smc D FA 645 55 mm f/2.8 AL[IF] SDM AW](https://lensarena-dataset.pages.dev/thumbnails/pentax/Pentax-smc-D-FA-645-55mm-F2.8-AL[IF]-SDM-AW-1.webp)
Pentax smc D FA 645 55 mm f/2.8 AL[IF] SDM AW
This is a medium-format prime lens for Pentax 645, covering 55 mm and a maximum aperture of f/2.8. Released in 2010, it weighs 416 g and is weather-sealed. That combination suits portrait photography.
It is a prime lens designed for medium format cameras. This standard prime lens features a f/2.8 maximum aperture, making it ideal for portrait, street. The optical design incorporates 9 elements / 7 groups, ensuring sharp image quality and minimal distortion. Despite its robust professional construction, the lens delivers exceptional optical performance.
- f/2.8
- Aperture
- 55mm
- Focal
- 416 g
- Weight
- Mar 2010
- Released
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StreetSpecification
- Focal length
- 55 mm
- Maximum aperture
- f/2.8
- Minimum aperture
- f/22
- Number of diaphragm blades
- 9
- Optical construction
- 9 elements / 7 groups
- Minimum focusing distance
- 0.5 m (19.69 inches)
- Filter size
- 67 mm
- Lens mount
- Pentax 645
- Dimensions
- 81.3 x 68.2 mm
- Weight
- 416 g (14.67 oz)
- Lens type
- Prime lens
- Image stabilization
- No
- Max Format size
- Medium format
- Aperture ring
- No
- Weather sealing
- Yes
- Usage
- Portrait, Street
Wide open at 2 m, background blur ≈ 1.5% of the frame width
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