Sigma 24mm f1.8 EX DG Lens - Sony/Minolta Fit: £423.83

Large-aperture wide-angle lens

This large-aperture wide-angle lens is equipped macro focusing capability with a maximum magnification of 1:2.7 and fast F1.8 maximum aperture. The use of aspherical lenses are offered for superior peripheral brightness and compensation of aberrations and astigmatism. This is an ideal DG lens for Digital SLR cameras.

Sigma 24mm f1.8 EX DG Aspherical Macro is one of the EX Series lenses. This lens has a fast F1.8 maximum aperture with macro focusing capability of minimum focusing down to 18cm/7.1inches (reproduction ratio 1:2.7). The iris diaphragm has 9 diaphragm blades to obtain beautiful out of focus image. It incorporates the floating focus system and uses two aspherical lens elements for minimising distortion and spherical aberration and astigmatism.

Internal focus system eliminates front lens rotation, thus allowing the use of a Perfect Hood and the easy use of polarising filters. The lens incorporates non-vignetting optical construction, in order to obtain adequate peripheral brightness even at open aperture. This is desirable for digital cameras. The lens also incorporates dual-focus mechanism. It is easy to hold the lens, since focusing ring does not rotate during auto-focus, and yet it provides adequate focusing torque of the focusing ring during manual focusing of the lens. The lens materials used in this new lens are lead and arsenic free ecological glass.

Zoom or Prime Prime
Focal length (wide) 24
Focal length (tele) 0
Max aperture (wide) f/1.8
Image stabilisation No
Special function Wideangle
Filter thread (mm) 77
Minimum focus distance 0.18m
Weight (g) 485
Size 83.6x82.5mm
Colour Black
Lens elements 10
Lens groups 9
Aperture blades 9
Focus mechanism AF
MF switch Yes
Tele-converter compatibility No

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