Description
- <p>The focal length changes the angle of view in an image. The longer the focal length, the smaller the angle of view and the greater the magnification.</p>
<p>Get more reach with what you have. Check the compatibility of your lens with the teleconverter chart.</p>
<p>Check the compatibility of lenses with your camera make and model. See how a lens performed using the Modulation Transfer Function (MTF) Chart Guide. The MTF is just one criterion used to evaluate lens performance.</p>
<p>Learn about the state of the art technology put into Sigma lenses to ensure high quality images.Need more information on a lens? Cross reference all the specs using the lens chart.</p>
<p> </p>
- <div class="pdp-specs">
<h3 class="pdp-specs__title">Features</h3>
<dl class="pdp-specs__wrap">
<dt class="pdp-specs__item">
Filter size
</dt>
<dd class="pdp-specs__desc">
62
</dd>
</dl>
</div>
<div class="pdp-specs">
<h3 class="pdp-specs__title">Weight & dimensions</h3>
<dl class="pdp-specs__wrap">
<dt class="pdp-specs__item">
Length
</dt>
<dd class="pdp-specs__desc">
3.1
</dd>
<dt class="pdp-specs__item">
Diameter
</dt>
<dd class="pdp-specs__desc">
126.4
</dd>
</dl>
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<div class="pdp-specs">
<h3 class="pdp-specs__title">Lens system</h3>
<dl class="pdp-specs__wrap">
<dt class="pdp-specs__item">
Lens structure - elements/groups
</dt>
<dd class="pdp-specs__desc">
16 Elements in 11 Groups
</dd>
<dt class="pdp-specs__item">
Closest focusing distance
</dt>
<dd class="pdp-specs__desc">
31.2
</dd>
<dt class="pdp-specs__item">
Lens type
</dt>
<dd class="pdp-specs__desc">
EX Lens
</dd>
<dt class="pdp-specs__item">
Lens mount interface
</dt>
<dd class="pdp-specs__desc">
Nikon
</dd>
</dl>
</div>
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This large aperture medium telephoto macro lens offers advanced performance of close-up photography.
Sigma’s own proprietary OS (Optical Stabilizer) system enables handheld close-up photography. A Special Low Dispersion (SLD) lens and one high refractive index SLD lens provide excellent correction for all types of aberration and distortion.
A floating focusing system moves two different lens groups in the optical path to different positions. This system compensates for astigmatic aberration and spherical aberration and provides extremely high optical performance from infinity to 1:1 Macro.The Super Multi-Layer Coating reduces flare and ghosting, providing high contrast images. It is also possible to use this lens with Sigma's APO TELE CONVERTERS. The HSM (Hyper Sonic Motor) ensures quiet and high speed autofocus as well as full-time manual focus capability. This lens features a rounded 9 blade diaphragm creating an attractive blur to the out of focus areas of the image.
