|APO||The lens incorporates low dispersion elements to minimize chromatic aberrations and ensure excellent sharpness and contrast even at maximum aperture.|
|DG||The lens is designed for full-frame SLR cameras but can be also used on APS-C SLR cameras.|
|MACRO||A lens with better close-up focusing capabilities in comparison with traditional lenses. Not a macro lens though.|
|Position in the lineup|
|Sigma 70-300mm F/4-5.6 APO DG Macro||Jun 2005||⊗|
|Sigma 70-300mm F/4-5.6 APO Macro II||2003||⊗|
|Sigma 70-300mm F/4-5.6 APO Macro||1994||⊗|
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|Maximum format:||35mm full frame|
|Diagonal angle of view:||34.3°-8.2° (35mm full frame)|
|27.3°-6.5° (Canon APS-H)|
|22°-5.2° (Canon APS-C)|
|22.8°-5.4° (Sony APS-C)|
|22.8°-5.4° (Nikon APS-C)|
|22.8°-5.4° (Pentax APS-C)|
|20.1°-4.7° (Sigma APS-C)|
|Lens construction:||14 elements in 10 groups, including:|
|Number of blades:||9|
|Closest focusing distance:||150 cm|
|Macro @ 200-300mm: 95 cm|
|Magnification ratio:||1:2 @ 300 mm at the closest focusing distance|
|Type of autofocus motor:||Micromotor (Canon EF)|
|No motor (Minolta/Sony A)|
|Micromotor (Nikon F)|
|No motor (Pentax K)|
|No motor (Sigma SA)|
|Full-Time Manual Focus:||No|
|Weight:||SA: 550 g|
|Maximum diameter x Length:||SA: Ø76.6 x 122 mm|
|Filter size:||58 mm|
Design and Features
The lens barrel is of moderate weight, made of plastic. The lens mount is metallic.
The lens features AF/M focus mode switch.
|AF||Autofocus mode without Full-Time Manual Focus.|
|M||Manual focus mode.|
The lens features focusing distance range limiter which allows to choose between the following focusing distance ranges:
|NORMAL||Full range of focusing distances.|
|MACRO - ∞||Range of focusing distances suitable for shooting nearby subjects.|
By setting the suitable focusing distance range, the actual autofocusing time can be shorter.
The lens uses front filters with standard size of 58 mm which are easy to find. They are also inexpensive.
The filter thread ROTATES during focusing which does not allow convenient use such types of filters which require a specific orientation (f.e. polarizing and gradient).
Versions of the lens for Canon EF, Nikon F и Sigma SA mounts do not feature optical image stabilizer. It is a significant disadvantage for a lens of such class - the need for image stabilization only grows with increasing of focal length. In order to obtain sharp images with this lens, you will need to use a tripod or shutter speeds not longer than 1/300 second (at focal length of 300 mm) which may require in some cases increasing the ISO setting and will lead to noisy images.
|Prime lenses for Canon EOS DSLR cameras|
|Pentax lenses: compendium|