EX (EX Lens)
The exterior of this lens is EX-finished to denote the superior build and optical quality, and to enhance its appearance.

DG (DG for DIGITAL & FILM)
These are large-aperture lenses with wide angles and short minimum focusing distances. With an abundance of peripheral illumination, they are ideal lenses for Digital SLR Cameras whilst retaining suitability for traditional 35mm SLRs.

50mm f/2.8 EX DG MACRO 1:1

Optimized optical design for digital SLR cameras

Sigma launched first standard 50mm Macro lens in 1990. This was succeeded by the 50mm F2.8 EX Macro in 1998 which proved even more popular with photographers, benefiting from improved build and optical quality.
The advent of digital SLR's requires optimum lens performance and therefore the very latest optical technology has been incorporated in the production of the New Macro 50mm F2.8 EX DG. This ideal standard lens sets the benchmark for digital SLR cameras.

Macro lenses require a high imaging performance for photographing objects with digital SLR cameras
The new advanced lens design corrects various aberrations. This macro lens is specially coated to get the best color balance whilst cutting down ghost caused by reflections from the digital image sensor. This lens provides the utmost correction against lateral chromatic aberration which is a serious problem for digital SLR cameras.

Floating Focusing System
Floating Focusing system that enables this lens to photograph objects precisely in entire focusing range.

Standard 50mm lens for digital SLR cameras
This standard macro lens enables you to enjoy the communication with subject. When viewing through the camera's finder, you are able to move your subject, and make precise adjustment. It has a close working distance and it is very convenient for taking close-up pictures of a fossil, or other inanimate things for example. This lens would have an equivalent field of view of an 85mm macro lens on a digital SLR camera (when used with the SD10).

Minimum aperture of F45
Although the depth of field this medium telephoto is shallow, sometimes would be necessary to have greater depth of field, because it is difficult to take a sharp picture of a subject and the background at the maximum aperture. Minimum aperture of F45 (F45 for Sigma, Canon and Konica Minolta mounts) or F32 (F32 for Nikon and Pentax mounts) provides greater depth of field.

A screw-in lens hood
A screw-in hood is included, for convenient use of circular polarizing filters.

Price: £191

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AF MOUNTS
> CANON EOS
> NIKON
> MINOLTA
> SONY
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Lens Construction
10 Elements in 9 Groups

Angle of View
46.8 degrees

Number of Diaphragm Blades
7 Blades

Minimum Aperture
F45

Minimum Focusing Distance
18.9cm

Maximum Magnification
1:1

Filter Size
55mm

Dimensions
Diameter 71.4mm X Length 66.5mm

Weight
320g