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Sigma C 100-400 mm f/5-6.3 DG OS HSM

Manufacturer Sigma
Model C 100-400 mm f/5-6.3 DG OS HSM
Lens style Telephoto zoom
Focal length 100 - 400 mm
Maximum aperture f/5 - 6.3
Angle of view 24.4 - 6.2 o
Closest focusing distance 1.6 m
Maximum magnification 1:3.8
Minimum aperture 22
Number of diaphragm blades 9
Auto focus type HSM
Lens Construction 21 elements / 15 groups
Filter diameter 67 mm
Macro No
Available mounts Canon EF
Nikon F
Dimensions 86.4 x 182.3 mm
Weight 1160 g
Additional information Announced: 21.02.2017
4 SLD elements
Average rating (2 owners reviews)
Build quality
Optical quality
Value for money


4.67 Good
Owners reviews (2)
  1. Tord55
    Tord55 20 February 2020, 07:00
    Build quality
    Optical quality
    Value for money


    IP 171.5.x.x
    Owner since: 2 years
    User profile: Amateur

    Cons: No tripod foot; not the lightning-fast focus one would wish; easily sucks in dust that ends up in the front of the lens, so not huge a problem, but irritating. Not the best OS.

    Pros: Light, compact, sharp and works on all my DSLR and ML cameras. Works great with Sigma\'s TCs. Reliable, able to produce stunning shots.

    Summary: I have taken tens of thousands of shots with my lens, and compact. Reliable, but for best result use S and use 1/1000, and use the OS to keep the viewfinder steady, first and foremost. The zoom is so smooth, it is amazing, especially compared to the PANASONIC-Leica 100-400. I really love this lens, and I am sure I\'ll use it for many years more. Whishes would be slightly faster AF, and dust-proofing. Sadly, my copy suffered a total power loss the other day, as I was switching cameras. The Aperture froze fully open, so it can be used as a fully manual lens, but I hope Sigma will be able to fix it.

  2. BrianEagar
    BrianEagar 21 September 2017, 00:55
    Build quality
    Optical quality
    Value for money


    IP 216.51.x.x
    Owner since: 3 months
    Price: 700
    User profile: Semipro

    Cons: Sigma needs to make it in Fuji XF mount and Olympus M43 mount and in Sony E mount.

    Pros: Super sharp wide open, very lightweight, great autofocus even when used with adapters.

    Summary: I bought this lens in Canon mount to use on my Sony A7R2 with the Sigma MC-11 adapter as well as on my Olympus E-M1 with the Kenko Canon-OlympusM43 Autofocus adapter. It works really well with both. I only wish it was made in native olympus and sony and fuji mounts. I am certain this lens is sharper on the E-M1 than the panasonice 100-400 and I think Sigma is missing a key market there. It is even just as light and small as the Panasonic lens. I really wish lenstip would test this lens with one of the Sigma teleconverters as I wonder how sharp it would be with a 1.4 teleconverter compared to the sigma 150-600 lenses.

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