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Silver telephoto zoom lens for Fujifilm X mount with black focus ring

SIGMA

SIGMA 100-400mm F5-6.3 DG DN OS Contemporary Fujifilm X camera lens

SKU CH-N4QZ-YED4T

Compact ultra-telephoto zoom covering 100-400mm for Fujifilm X mirrorless cameras with 150-600mm equivalent reach

  • Part type or numberASIG750975K1
  • Focus systemAuto Focus
  • Lens focal length100-400 mm
  • Lens mountFujifilm x
  • Viewing angle12.3 degrees
  • Filter thread size67 mm
  • Versatile 100-400mm zoom covers 150-600mm equivalent range
  • Compact 199.5mm length and 1135g weight for portable ultra-telephoto
  • 16 groups with 22 elements including FLD and SLD glass
  • Optimised AF algorithm enables fast AF-C on Fujifilm X
  • 67mm filter thread accepts standard circular filters

Fujifilm X Ultra-Telephoto Zoom

The Sigma 100-400mm F5-6.3 DG DN OS Contemporary is an ultra-telephoto zoom lens built for Fujifilm X mount mirrorless cameras. It covers a 100-400mm focal range that delivers a 150-600mm equivalent field of view on APS-C sensors. The 12.3 degree angle of view at the long end suits wildlife and sports photographers needing extended reach in a single lens.

Compact Build and Installation

The lens measures 199.5mm in length with a maximum diameter of 86mm and weighs 1,135g, keeping the Fujifilm X system portable. A dedicated AF drive algorithm optimises communication speed for fast, responsive autofocus with AF-C support. The 67mm filter thread accepts standard accessories, and the optical stabiliser helps steady handheld shots at 600mm equivalent.

Compatibility and Pre-Purchase Checks

Verify your camera uses the Fujifilm X mount, as this version is not compatible with other systems. The bundle includes a camera bag and cleaning kit alongside the lens. Buyers who need a wider maximum aperture than F5-6.3 or full-frame coverage should consider different options. Ensure your shooting style benefits from the 150-600mm equivalent range before ordering.

How it compares

Measured against everything we stock in Interchangeable Camera Lenses, at today’s prices. Recalculated every night.

Price $755.99
Pricier than about 67% of the 2,570 comparable items (median $546.49).

Specifications

Product
Brand nameSIGMA
Model nameSigma 100-400 mm F5-6.3 DG DN OS Contemporary
Part numberASIG750975K1
Part type or numberASIG750975K1
Product type4
Audio & video
Focus systemAuto Focus
Lens focal length100-400 mm
Lens mountFujifilm x
Viewing angle12.3 degrees
Auto-focusAuto Focus
Size & build
Filter thread size67 mm
Product dimensions9.1 in × 9.1 in × 9.1 in
Product weight2.41 lb (1.09 kg)
Compatibility
Compatible withFujifilm X

Questions about this item

How can I confirm the 100-400mm F5-6.3 DG DN OS Contemporary is performing correctly on my Fujifilm X camera after mounting it?

Verify autofocus locks quickly in AF-C mode, check that in-camera aberration correction applies without error messages, and review test shots at 400mm for sharpness across the 12.3-degree angle of view.

What items are included in this bundle and is anything else required to start shooting?

The bundle supplies the lens for Fujifilm X mount, a camera accessory, and a system gadget bag with cleaning kit; no extra components are needed to begin photographing.

Which version of the 100-400mm F5-6.3 DG DN OS Contemporary should I choose for my Fujifilm X system?

Select the Fujifilm X mount version released in 2020, identifiable by part number ASIG750975K1, which provides the optimized AF algorithm and 150-600mm equivalent coverage on APS-C bodies.

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