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Sigma A 24-105 mm f/4 DG OS HSM

Pictures:
Specifications:
Manufacturer Sigma
Model A 24-105 mm f/4 DG OS HSM
Lens style Universal zoom
Focal length 24 - 105 mm
Maximum aperture f/4
Angle of view 84.1 - 23.3 o
Closest focusing distance 0.45 m
Maximum magnification 1:4.6
Minimum aperture 22
Number of diaphragm blades 9
Auto focus type HSM
Lens Construction 19 elements / 14 groups
Filter diameter 82 mm
Macro No
Available mounts Canon EF
Nikon F
Sony A / Minolta
Sigma
Pentax K
Dimensions 109.4 x 88.6 mm
Weight 885 g
Additional information 2 FLD lenses, 2 SLD lenses and 3 aspherical lenses
Announced: October 2013
Average rating (2 owners reviews)
Build quality
Optical quality
Value for money

Overall

5.00 Excellent
Owners reviews (2)
  1. ket_d5_d810
    ket_d5_d810 23 August 2017, 05:20
    Build quality
    Optical quality
    Value for money

    Overall

    IP 84.170.x.x
    Owner since: 1 year
    Price: 800 €
    User profile: Amateur

    Cons: Performance only in comparison to good primes.

    Pros: Sharpness center, Sharpness half-way. Overal optical performance.

    Summary: I bought this lens for the focal range and full frame coverage. The price, absence of real competition and the need for a walk-around lens made me take the risk. No matter how critically I look at the pictures, I only find softness at the extreme edges where sharpness is 99,9% of the team sharpness is not needed and more often than not, not even wanted! As the Sigma 24-70 has now been rolled out and tested by this site and others, I see no need to change. Compare this lens in MTF performance and CA to the N 24-70 2.8E as well as other similar lenses the most indecisive buyer will conclude quickly. The only potential (still standing by to find formal test results) buster could be the new Tamron 24-70 G2.

  2. George
    George 17 September 2016, 10:20
    Build quality
    Optical quality
    Value for money

    Overall

    IP 77.49.x.x
    Owner since: 1 year
    Price: 850 Euro
    User profile: Semipro

    Cons: Heavy. Zoom opposite direction than Nikon.

    Pros: A very capable lens that is a joy to handle. Works very well with my D750.

    Summary: Just great!!!!