Sigma 70mm F2.8 EX DG Macro
|D type lens:||Yes|
|SLT compatible:||Read this!|
|AF Drive:||In Body|
|AF-D (a99 only):||No|
|angle of view:||34.3|
|min. focus distance(mm):||257|
|filter rotate focusing:||No|
|max. magnification:||1x (1/1)|
|hood:||metal screw in|
|standard accessories:||comes with metal hood, and a black soft case (case is not as good a fit as other Sigma cases)|
|features:||EX, DG. Has a focus range limiter. Full, or limit (0.257-0.48m or 0.55m to infinity)|
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70mm F2.8 EX DG Macro
This medium telephoto macro lens offers a high level of optical performance and is ideal for both digital SLR and 35mm film SLR cameras.
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 medium telephoto macro lens.
The 70mm focal length gives an equivalent field of view to our popular 105mm macro lens when used on digital SLR cameras with an APS-C size image sensor. The design of this lens makes it suitable for taking pictures in all situations both with natural light conditions or flash.
An easy to use 70mm medium telephoto macro lens
This lens has an equivalent field of view of a 105mm telephoto macro lens when used on digital SLR cameras with an APS-C size image sensor. The narrow angle of view is a great aid for simplifying backgrounds and the shallow depth of field aids composition. The greater working distance of this lens is very advantageous when taking pictures of flowers (sentence duplicated) among moving branches or highly sensitive insects.
Compensate for color aberration
A Special Low Dispersion (SLD) lens and two high refractive index SLD lenses provide excellent correction for all types of aberration- and produce an exceptional level of optical performance.
Reduce Ghosting and Flare
Sigma's super multi-layer lens coating reduces flare and ghosting, and helps create a natural color balance.
Floating Focus System
The floating focus system provides extremely high optical performance from infinity to 1:1 Macro.
Focus Limiter Switch
A 'Focus Limiter Switch' is incorporated in the lens, improving the speed and accuracy of autofocus by limiting the focus range between 25.7cm to 48cm and 55cm to infinity.
A screw-in lens hood
A screw-in lens hood is included for convenient use of circular polarizing filters. A screw-in lens hood (LH620-01) is included and is designed to accept a 77mm lens front cap.