Sigma AF 180 mm f/ 3.5 APO MACRO EX DG HSM Lens

The Sigma AF 180 mm f/ 3.5 APO MACRO EX DG HSM

• Hyper Sonic Motor autofocus drive (HSM)
• Manual focusing is available without switching  AF>MF modes
• Floating system of internal focusing
• The front lens does not rotate during operations
• Rotation angle of the focusing ring approx. 180°
• Diagonal angle of view 13.7°
• Minimum working distance 23 cm
• Max. magnification 1:1
• Diameter 80 mm.
• It is compatible with Sigma 1.4x  (AF from 1.2 m) and 2.0x (MF) APO teleconverters
• Hood LH780-02 (bayonet, length 90 mm) included
• Detachable tripod mount ring and a case included

The Sigma AF 180mm F3.5 APO MACRO EX DG HSM is a high-quality full format telephoto macro lens for shooting miniature objects at a long distance and which can be used as a telephoto lens with shallow depth of field.

The lens is equipped with a 3-mode focus limiter switch. Besides a full-range mode, two limited modes are available: from 46 to 61 cm and from 61 cm to infinity.

Chromatic aberrations increase on stopping down (increase of aperture values from f/8 to f/32), which is uncharacteristic of telephoto lenses.

Evaluation of Sigma designations:

• AF for autofocus.
• APO- an apochromatic lens, minimizing chromatic aberration. Lenses designated APO can be used with EX teleconverters.
• HSM - a uhyper sonic motor drive providing silent and fast focusing.
• EX - a high-quality line of lenses, combining reliability, convenience and excellent optical characteristics.
• IF - a mechanism of internal focusing does not affect the lens size while focusing and without the front element rotation.
• DG - a full format lens optimized for DSRL cameras.
• MACRO - macrography with the max. magnification ratio of 1:1.

• Test, review on LensTip
• Test, review on PhotoZone.de
• Test, review on photoreview.com.au
• Group at flickr.com (photo)

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