Sigma 100-400mm F5-6.3 DG OS HSM C Snap Verdict

Although it’s part of Sigma’s more affordable Contemporary (C) line of lenses rather than the more expensive Sports (S) or luxurious Art (A) line, the Sigma 100-400mm f5-6.3 DG OS HSM C looks and feels very nicely made with a high-quality finish. What’s more, its Optical Stabilisation (OS) system is extremely effective, enabling hand-held shooting at around 5EV slow shutter speeds than normal.
It also produces sharp, attractive images although you may want to apply some vignetting correction when shooting at wider apertures. It adds up to be a very good value telephoto zoom.

For Product

  • Good price for the focal length range
  • Lightweight, but nicely built
  • Superb Stabilisation

Against Product

  • Vignetting at f/8
  • Relatively small maximum aperture
  • Variable aperture

 

What is the Sigma 100-400mm f5-6.3 DG OS C?

The Sigma 100-400mm f5-6.3 DG OS HSM C is a telephoto zoom lens available in Canon, Nikon and Sigma mounts. While it’s designed to cover a full-frame sensor, it can also be used with APS-C format cameras with the Canon or Nikon Mount on which it produces an effective focal length of 160-640mm and 150-600mm respectively. It’s aimed at enthusiast photographers looking for a relatively long, light lens for shooting wildlife and sport.

Sigma 100-400mm F5-6.3 DG OS HSM C Features

Lens Construction21 elements in 15 groups
Angle of View (for SD1)24.4°­ - 6.2°
Number of Diaphragm Blades9 Blades (Rounded diaphragm)
Minimum ApertureF22
Minimum Focusing Distance160cm/ 63in.
Maximum Magnification1:3.8
Filter SizeDiameter 67mm
DimensionsDiameter 86.4mm x Length 182.3 mm / 3.4in. x 7.2in.
Weight1,160g / 40.9oz.
Lens Construction21 elements in 15 groups
Angle of View (for SD1)24.4°­ - 6.2°
Number of Diaphragm Blades9 Blades (Rounded diaphragm)
Minimum ApertureF22
Minimum Focusing Distance160cm/ 63in.
Maximum Magnification1:3.8
Filter SizeDiameter 67mm
DimensionsDiameter 86.4mm x Length 182.3 mm / 3.4in. x 7.2in.
Weight1,160g / 40.9oz.

It may be considerably more affordable than other 100-400mm lenses but this Sigma lens isn’t lacking in features with an optical stabilizer (OS), updated hypersonic motor (HSM) for fast autofocus and focus limiter built-in.

There’s also a manual override (MO) setting that allows you to focus automatically and then tweak the focus manually using the focus ring.

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Furthermore, the lens is compatible with Sigma’s USB Dock accessory which allows customisation.

The OS system has a new gyroscopic sensor and algorithm to improve the stabilization effect. An acceleration sensor detects horizontal, vertical, or diagonal camera shake to correct movement whether the lens is used to shoot upright or horizontal images.

Compact build, as well as high image quality, was a key target for this lens and consequently its construction features four SLD (Special Low Dispersion) glass elements and an optimised power distribution help minimise optical aberrations. Sigma has paid particular attention to controlling transverse chromatic aberration as these cannot be corrected via aperture control. This helps improve image quality throughout the full focal length range.

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Sigma 100-400mm F5-6.3 DG OS HSM C
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