Contemporary

SIGMA 56mm F1.4
DC DN | Contemporary

Achetez en volume à €469

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• Compact, léger et d’une qualité d’image remarquable
• Un téléobjectif modéré pour appareils sans miroir APS-C
• NOUVEAU pour la configuration Canon EF-M
• Un AF sans à-coups, idéal pour la prise de vue vidéo
• Qualité d'image rivalisant avec celle des objectifs de la gamme Art

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Specifications

Fonctionnalités

Construction

Technology

Ligne	Contemporary
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Formule optique	10 Elements in 6 Groups
Lens Type	Telephoto
Angle de vue	28.5º
Diaphragme	9 (Rounded Diaphragm)
Ouverture minimale	F16
Distance minimale de mise au point	50 cm
Rapport de reproduction maximal	1:7.4
Dimensions (diameter x length)	Sony E-mount Canon EF M-mount Micro Four Thirds L-mount ⌀ 66.5 mm x 59.5 mm ⌀ 66.5 mm x 59.5 mm ⌀ 66.5 mm x 58.1 mm ⌀ 66.5 mm x 57.5 mm
Poids (gramme)	280
Diamètre de filtre	55mm
Edition number	C018
Accessoires	Hood (LH582-01) supplied
EAN	Sony E-mount Canon EF-M Micro Four Thirds L-mount 085126351656 085126351717 085126351632 085126351694

Compatible with Lens Aberration Correction

Matching the optical characteristics of the lens, this function performs in-camera corrections of peripheral illumination, chromatic aberrations, distortion, and more, to further enhance image quality.

*Function available on supported cameras only. Available corrections or auto correction functionality may vary depending on the camera model.
*On cameras where lens aberration correction is controlled with 'ON' or 'OFF' in the camera menu, please set all aberration correction functions to 'ON'(AUTO).

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.

Mount with Dust and Splash Resistant Structure

The lens mount incorporates rubber sealing to protect the mount from dust and water drops.

Rounded diaphragm

The polygonal shape of a conventional iris dia phragm causes out-of-focus light points to appear polygonal. A rounded diaphragm is designed to pro duce rounded out-of-focus light points when opened to near maximum aperture. This creates attractive bokeh effects in many situations, such as when pho tographing a subject against an out-of-focus surface of water from which light is being reflected.

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.