With a 35mm equivalent focal length range of 128mm this lens offers a short telephoto perspective.
*Recommendations are based only on the features necessary to perform the application successfully and do not take into account the relative image quality of different lenses
A focal length of about 50mm is recommended for full to mid length portraits, 85mm and higher for medium closeup to closeups depending on the amount of spacial compression wanted. Depth of field is the most important tool to manipulate and a fast lens will give more scope for creative treatment.
HSM (Hyper-Sonic Motor)
HSM stands for ""Hyper Sonic Motor"". The HSM motor is driven by ultrasonic waves and it makes auto focusing, precise, silent and high-speed. Sigma's HSM version lenses are available only for AF Sigma, Canon and Nikon AF cameras.
RF (Rear Focus)
This lens is equipped with a system that moves the rear lens group for highspeed , silent focusing. Additionally, since the front lens element doesn’t rotate, filters do not have to be readjusted every time the focus point changes.
EX (EX Lens)
The exterior of this lens is EX-finished to denote the superior build and optical quality, and to enhance its appearance.
DC (DC Lens)
These are special lenses designed so that the image circle matches the smaller size of the image sensor of most digital SLR cameras. Their specialized design gives these lenses the ideal properties for digital cameras, the compact and lightweight construction is an added bonus ! including compact and lightweight construction.
Specifications35mm equivalent focal length range:128mmLens perspective: short telephotoMinimum aperture: f16Image stabilisation: NoneHyper-Sonic Motor: YESSpecial lens elements: SLD glass and a glass mold elementFilter size: 77mmWeight: 725gDimensions: 86.4x87.6 mmMaximum magnification: 1:8.6Recommended applications: Portraits