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Sigma 100-400mm f5-6.3 DG OS HSM Contemporary lens for Canon EOS

* * * * *
£799.99 £699.00

Stock: Good Stock

Brand: Sigma

Product Code: DH25132

Supplier Code: 729954

Barcode: 085126729547



Sigma 100-400mm f5-6.3 DG OS HSM Contemporary lens for Canon EOS

High Optical performance combined with low weight and enhanced useability, 67mm filter mount, close focus to 1.6m, 1.2kg

A tempting new ultra-telephoto lens offering a combination of stunning image quality and outstanding functionality. This lens satisfies the needs of pros and amateurs alike.

  • Four SLD glass elements
  • Lens Construction: 21 elements in 15 groups
  • Angle of View (for SD1): 24.4°­ - 6.2°
  • Number of Diaphragm Blades: 9 Blades (Rounded diaphragm)
  • Minimum Aperture: F22
  • Minimum Focusing Distance: 160cm
  • Maximum Magnification: 1:3.8
  • Made in Japan
  • Filter size: 67mm
  • Dimensions: 86.4 x 18.23 cm
  • Weight: 1,160 g

Compact packaging with uncompromising image quality - In designing this lens, SIGMA strived to push both compactness and image quality to the limit. Four SLD glass lens elements and an optimized power distribution help minimize optical aberrations. Moreover, by taking special care to minimize transverse chromatic aberration, which cannot be corrected via aperture control, SIGMA has ensured outstanding image quality throughout the zoom range.

Telephoto plus macro functionality - With a minimum shooting distance of 160cm and a maximum magnification ratio of 1:3.8, this lens can shoot either from a distance or up close.

Exclusive low-dispersion glass - The degree to which light is refracted by glass depends on the light's wavelength. This fact causes different colors of light to focus at slightly different points. The result is chromatic aberration, the color fringing that is particularly noticeable in telephoto lenses. Most chromatic aberration can be removed by combining a high-refractivity convex lens element with a low-refractivity concave element. Yet residual chromatic aberration known as “secondary spectrum” may still remain. To minimize this secondary spectrum, which can be a serious issue with conventional lenses, SIGMA lenses feature up to three types of exclusive low-dispersion glass offering superior performance: ELD (Extraordinary Low Dispersion), SLD (Special Low Dispersion) and FLD (“F” Low Dispersion). In particular, FLD glass offers ultra-low dispersion in combination with high transmittance and the anomalous dispersion characteristics of fluorite. Meticulous deployment of these types of exclusive low-dispersion glass and optimization of power distribution gives SIGMA lenses superlative image rendition undiminished by residual chromatic aberration.

Designed to minimize flare and ghosting - From the start of the design process, SIGMA measured flare and ghosting to establish an optical design that is resistant to strong incidental light sources such as backlight. At the prototyping stage, SIGMA used not only simulations but actual photographic experiments to assess flare and ghosting under multiple criteria, identify the causes of these issues under a wide range of situations, and take measures to mitigate them. In addition, SIGMA’s Super Multi-Layer Coating helps further reduce flare and ghosting and provide sharp, high-contrast images even in backlit conditions.

All-new optical stabilizer (OS) unit with exclusive algorithm - Featuring a newly developed gyroscopic sensor and a new and exclusive algorithm, the all-new OS unit provides a powerful stabilization effect. An acceleration sensor detects camera shake in any direction—horizontal, vertical, or diagonal. This technology allows the OS to stabilize the image very effectively, regardless of whether the camera is being held in horizontal or vertical orientation.

Push/pull zoom mechanism incorporated - For quick control of the angle of view, the zoom ring incorporates a push/pull mechanism in addition to the regular twist mechanism. The exclusive lens hood has also been designed to accommodate push/pull zooming and overall lens maneuverability. By making it possible to adjust the angle of view instantly, this lens gives photographers an even better chance of getting that crucial shot.

Rounded diaphragm - The 9-blade rounded diaphragm creates an attractive blur in the out-of-focus areas of the image.

Smoother AF operation - The HSM (Hyper Sonic Motor) ensures high speed and quiet AF. The updated algorithm enables smoother AF operation.

High-precision, rugged brass bayonet mount - The brass mount combines high precision with rugged construction. Its treated surfaces and enhanced strength contribute to the exceptional durability of the lens.

Dust-proof and splash-proof mount - The lens mount incorporates rubber sealing to protect the mount from dust and water drops.

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