What kind of lens is the Sigma 120-400mm?

The Sigma APO 120-400mm F4.5-5.6 DG is a telephoto zoom lens designed for use on full-frame and APS-C digital SLRs. It features three SLD (Special Low Dispersion) glass elements, a Hyper Sonic (HSM) focus motor with full-time manual focus and Canon/Nikon versions also features Sigma’s OS Optical Stabilization system.

What kind of lens is the APO 120-400mm?

A close cousin to the APO 150-500mm F5-6.3 DG OS HSM lens, which has also been reviewed on the Photo Review website, Sigma’s APO 120-400mm F4.5-5.6 DG OS HSM lens can be used on both ‘full frame’ and ‘APS-C-sized’ DLSR cameras as well as traditional 35mm SLRs.

Is there corner shading on the Sigma 120-400mm?

Corner shading isn’t an issue with the 120-400mm mounted on a subframe camera body; the worst-case scenario is noted when using the lens wide open (ƒ/4.5-5.6), and even then we note the corners only a quarter-stop darker than the center. At any other apertures, corner darkening is insignificant.

What are the features of the new Sigma lens?

Key features of the new lens are the inclusion of Sigma’s original OS (Optical Stabiliser) and the use of the company’s HSM (Hyper Sonic Motor), which provides fast and quiet autofocusing as well as full-time manual focusing capability. Like its sibling, it is compatible with Sigma’s APO Tele Converters.

Sigma 120-400mm F4.5-5.6 DG HSM is an Auto Focus (AF) Telephoto Zoom lens with 35mm FF max sensor coverage and it is designed to be used with Pentax KAF3 mount cameras.

What kind of zoom lens does Sigma use?

This lens incorporates a Hyper Sonic Motor (HSM), which ensures a quiet and high-speed AF as well as full-time manual focusing capability. The addition of the optical 1.4x EXDG APO or 2x EX DG APO Tele Converters produce a 168-560mm F6.3-8 MF ultra-telephoto zoom lens or a 240-800mm F9-11 MF ultra-telephoto zoom lens respectively.

How big is a 120mm F4.5 zoom lens?

Lens have f4.5 at only 120mm zoom. At longer focal lengths f5.6. With stabillizer you can take shots from hands but you need a good sunshine for short times of shutter. Its a really good idea to get a tripod. I have only one bigger problem with this.

Can a sigma 150-500 be used without a monopod?

As with its bigger brother, the 150-500, it is a bit bulky, and not that easy to use without a monopod, but it is doable, thanks to its excellent OIS.