|Format: 35mm SLR|
Type: Prime lens
Focusing: Auto Focus (AF)
Lens mounts: Canon EF, EF-S, Sony A / Minolta A, Nikon F (FX, DX), Sigma SA
Optical design: 13/10 (2SLD)
Features: Ultra-Sonic Motor, Macro lens
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Views (2722)Average price: $1107
|Focal length||Max. aperture||Min. aperture||Blades||Min. Focus (m.)||Filter Ø (mm.)||Weight (gr/oz)||Length (mm/in)|
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.
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Posted by: dv Date of publication: 20.10.2010