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Sigma A 50 mm f/1.4 DG HSM

Manufacturer Sigma
Model A 50 mm f/1.4 DG HSM
Lens style Normal
Focal length 50 mm
Maximum aperture f/1.4
Angle of view 46.8 o
Closest focusing distance 0.4 m
Maximum magnification 1:5.5
Minimum aperture 16
Number of diaphragm blades 9
Auto focus type HSM
Lens Construction 13 elements / 8 groups
Filter diameter 77 mm
Macro No
Available mounts Canon EF
Nikon F
Sony A / Minolta
Sony E
Sony FE
Dimensions 85 x 100 mm
Weight 815 g
Additional information Announced: 06.01.2014
SLD glass elements
aspheric elements
Average rating (4 owners reviews)
Build quality
Optical quality
Value for money


4.42 Good
Owners reviews (4)
  1. PeteTheChop
    PeteTheChop 15 June 2018, 20:59
    Build quality
    Optical quality
    Value for money


    IP 80.101.x.x
    Owner since: 2 years
    Price: 750 euros
    User profile: Amateur

    Cons: Heavy, emotionless image/bokeh (maybe too sharp?)

    Pros: Sharp, sharp, sharp

    Summary: Too heavy for me, I exchanged it for a 50mm STM

  2. andy
    andy 2 April 2018, 12:50
    Build quality
    Optical quality
    Value for money


    IP 5.23.x.x
    Owner since: 1 month
    Price: € 85
    User profile: Amateur

    Cons: heavy but perfect building

    Pros: detailed and sharp

    Summary: best 50mm prime lens

  3. GreenOrange
    GreenOrange 25 January 2018, 15:59
    Build quality
    Optical quality
    Value for money


    IP 126.15.x.x
    Owner since: 1 year
    Price: 80,000JPY
    User profile: Amateur

    Cons: Purple Fringing and Green Fringing (LoCA) at Out Of Focus Area, not only appears at wide open, but also appears while stop down(f5.6~f8), which screws up the whole image no matter how sharp it is. Especially affects Close Focus. The Image Quolity doesn\'t match its heavy weight.

    Pros: Very sharp when stopped down or focus at infinity, and color rendering is good.

    Summary: LoCA is not acceptable for such a heavy lens. Sharpness helps nothing when LoCA occurs. This lens doesn\'t have weather sealing, and its walking distance is too far to make it a all-round lens.

  4. Paul Chefurka
    Paul Chefurka 19 May 2017, 15:55
    Build quality
    Optical quality
    Value for money


    IP 173.35.x.x
    Owner since: 1 month
    Price: $1100 CND
    User profile: Semipro

    Cons: Can\'t use the outer focus points on Nikon D7100. Heavier than a Nikon 50/1.4. The temptation to use wide apertures close up will test your focus discipline.

    Pros: Unbelievably sharp, even wide open. Great colour. Good (not great) bokeh. Very well made, like all Art series lenses. Balances well on a D7100 with grip.

    Summary: If you shoot a lot at wide apertures (1.4 to 2.8) no 50 can beat it. I\'m still amazed when I chimp my images. As an old Leica-M shooter, I have a style that relies on lenses in the 28mm to 75mm range. My basic lens is the 18-35 Art, and this 50 is my \"long\" lens. On my APS sensor it\'s what I always dreamed an autofocus 75mm Summilux-M would be. Bravo Sigma.

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