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Sigma 70-300mm f/4–5.6 APO DG Macro lens

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Sigma 70–300 mm APO DG Macro
MakerSigma
Technical data
TypeZoom
Focal length70–300mm
Aperture (max/min)f/4 – f/5.6
Close focus distance150cm / (95cm Macro mode)
Max. magnification1:4.1 / 1:2(Macro mode)
Diaphragm blades9
Construction14 elements in 10 groups
Features
Short back focusNo No
Ultrasonic motorNo No
Lens-based stabilizationNo No
Macro capableYes Yes
ApplicationConsumer Telephoto Zoom
Physical
Max. length122
Diameter76.6
Weight550
Filter diameter58mm

The Sigma 70-300mm F4-5.6 APO DG Macro lens is a consumer-level, telephoto zoom lens made by Sigma Corporation.[1] Different versions of this lens are produced that work with cameras from Canon, Nikon, Pentax, Konica Minolta, Sony and Sigma. Additionally, Olympus' 70–300 f/4–5.6 lens for Four-Thirds has the same optical design and specifications as this lens. The lens is packaged with a lens hood.

Sigma's APO designation signifies an apochromatic lens that uses low dispersion glass to minimize chromatic aberration.[2] The APO version has a red ring on the end of the lens body to distinguish it from the non-APO version of the lens, the Sigma 70-300mm F4-5.6 DG Macro.[3]

This lens has 14 elements in 10 groups including two special low dispersion glass elements in the front lens group, and one in the rear lens group.[1] The non-APO version has only one such element in the rear.[3]

An additional feature to this lens is a macro option between 200–300mm.[4] The minimum focusing distance between 200 and 300mm is 95 cm (37.4 inches). It is enabled by a manual switch and provides a maximum magnification of 1:2.[1]

References

  1. ^ a b c "70-300mm F4-5.6 APO DG Macro". Sigma Corporation. Retrieved 23 June 2013.
  2. ^ Andrews, Ian (September 2, 2005). "Sigma 70–300mm F/4–5.6 APO DG Macro Interchangeable Lens Review". EPhotoZine. Retrieved 2008-05-05.
  3. ^ a b "70-300mm F4-5.6 DG Macro". Sigma Corporation. Retrieved 23 June 2013.
  4. ^ Sigma AF 70–300mm f/4–5.6 APO DG macro — Test Report / Review, photozone.de, accessed 2008-05-19
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