Sigma A 50 mm f/1.4 DG DN
This is a full-frame prime lens for Sony E, covering 50 mm and a maximum aperture of f/1.4. It weighs 660 g and is weather-sealed, and was released in 2023. That combination suits portrait and low-light photography.
It is a standard prime lens designed for full frame cameras. This standard prime lens features a f/1.4 maximum aperture, making it ideal for street, documentary, everyday, low-light. The optical design incorporates 14 elements in 11 groups, ensuring sharp image quality and minimal distortion. Despite its robust professional construction, the lens delivers exceptional optical performance.
- f/1.4
- Aperture
- 50mm
- Focal
- 660 g
- Weight
- Feb 2023
- Released
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Specification
- Focal length
- 50 mm
- Maximum aperture
- f/1.4
- Minimum aperture
- f/16
- Number of diaphragm blades
- 11
- Optical construction
- 14 elements / 11 groups
- Minimum focusing distance
- 0.45 m (17.72 inches)
- Filter size
- 72 mm
- Lens mount
- Sony E, L-Mount
- Dimensions
- 111.5 x 78.2 mm
- Weight
- 660 g (23.28 oz)
- Lens type
- Prime lens
- Image stabilization
- No
- Max Format size
- Full frame
- Aperture ring
- Yes (de-clickable)
- Weather sealing
- Yes (dust and splash resistant)
- Usage
- Street, Documentary, Everyday, Low-light
- Maximum magnification
- 0.15x
Wide open at 2 m, background blur ≈ 2.5% of the frame width
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Sample frames
Video reviews
Street
Documentary