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Sigma A 50-100 mm f/1.8 DC HSM

Manufacturer Sigma
Model A 50-100 mm f/1.8 DC HSM
Lens style Standard zoom
Focal length 50 - 100 mm
Maximum aperture f/1.8
Angle of view 46 - 24 o
Closest focusing distance 0.95 m
Maximum magnification 1:6.7
Minimum aperture 0
Number of diaphragm blades 9
Auto focus type HSM
Lens Construction 21 elements / 15 groups
Filter diameter 82 mm
Macro No
Available mounts Nikon F
Canon EF-S
Dimensions 170.7 x 93.5 mm
Weight 1490 g
Additional information Announced: 23.02.2016
3 FLD elements, 1 SLD element
Average rating (2 owners reviews)
Build quality
Optical quality
Value for money


5.00 Excellent
Owners reviews (2)
  1. Paul chefurka
    Paul chefurka 6 March 2017, 18:50
    Build quality
    Optical quality
    Value for money


    IP 198.103.x.x
    Owner since: 3 months
    User profile: Amateur

    Cons: The weight, I guess. The lack of OS, maybe. Neither of those bother me much.

    Pros: The most exceptional lens I\'ve ever used, in every respect - even considering the Leica Asph glass I used to have.Corner resolution down to the pixel level by f2.2. Lovely color, great microcontrast. Perfect focus out of the box, with no need for AF tuning on my 7100.

    Summary: This lens is revolutionizing my shooting.

  2. Don
    Don 1 October 2016, 06:25
    Build quality
    Optical quality
    Value for money


    IP 99.99.x.x
    Owner since: 3 months
    Price: 1100.00
    User profile: Amateur

    Cons: Now this is a heavy lens, tripod foot but I learned to live with it, hoped it would be as great as my 18-35 1.8 but no not quite. Did I mention heavy? No OS

    Pros: Sharp, fast, build quality, much better than the 24-105

    Summary: I am still on the fence for this lens. It might be because I love my 28-35 1.8 so much that I need to give it a chance