What is a 17-70mm lens used for?

What is a 17-70mm lens used for?

(From Sigma lens literature) Sigma Corporation is pleased to announce the launch of the new 17-70mm f/2.8-4.5 DC Macro lens. It can be used with wide variety of subjects and it is an ideal large aperture standard zoom lens for digital SLR cameras featuring an APS-C size image sensor.

Is the Sigma 17 70 A good lens?

The Sigma 17-70mm f/2.8-4 DC Macro OS Lens features a great general purpose focal length range, short minimum focus distance, HSM autofocus and OS (optical stabilization) in a well-built and very affordable lens. Its image quality is not all I hoped for.

What does contemporary lens mean?

Contemporary lens has a 1/3 stop wider aperture over a small subset of the focal length range. Contemporary lens has a larger zoom ring with no contour in diameter mid-ring. Sports lens has a more-serious manual focus ring that is significantly larger with much more grip surface.

What is DC lens?

“DC” stands for Defocus Control. DC allows the photographer to change the distortion characteristics of the lens so the “look” of the out-of-focus elements in the foreground or background can be changed to produce more pleasing photos, particularly portraits.

What is a contemporary lens used for?

Contemporary lenses are their mid-range line that combines quality performance with budget-friendly pricing. Sports lenses are designed for shooting action and sports. And their Art series consists of their high-end professional-level lenses.

What is the difference between a sports lens and a contemporary lens?

Sports lens is moderately larger in both length and diameter (especially with the hoods in place) and the zoom extension is a bit longer. Contemporary lens has a 1/3 stop wider aperture over a small subset of the focal length range. Contemporary lens has a larger zoom ring with no contour in diameter mid-ring.

What DC means on camera?

Defocus Control
“DC” stands for Defocus Control. DC allows the photographer to change the distortion characteristics of the lens so the “look” of the out-of-focus elements in the foreground or background can be changed to produce more pleasing photos, particularly portraits.

What does DG HSM mean?

DG means it is designed with full-frame cameras in mind, so can be used on such bodies as Nikon D800 or Canon 5D Mark III (obviously you need an appropriate mount version for either system). The lens has Sigma’s ring-type ultrasonic autofocus motor (HSM) and optical image stabilization (OS).

What is the difference between sigma Art and contemporary lenses?

Today Art means Sigmas highest quality as well as unique usually very high aperture speed and usually very large size and weight. So the m43 trio does not fit the Art tradition. But optically they arguably do qualify as Art. The current “Contemporary” 16mm and 30mm (and forthcoming 56mm f1.

What does contemporary mean in lenses?

Is the Sigma 150-600mm contemporary weather sealed?

The 150-600mm Contemporary lens features an optical layout consisting of 20 elements in 14 groups, with a single FLD and three SLD glass elements, and has weather-sealing around the lens mount (a noted difference from the Sports version, which is sealed throughout the barrel).

Is the Sigma 17-70mm f2.8.4 a macro lens?

The 17-70mm F2.8-4 DC Macro HSM OS is the first lens in the Contemporary line of Sigma’s Global Vision. The Sigma 17-70mm F2.8-4 was designed to be the ideal all-purpose lens for APS-C DSLRs.

Is the Sigma 17-70mm F2.8 DC HSM compatible with the Sigma USB dock?

The 17-70mm F2.8-4 Macro DC HSM OS is compatible with the Sigma USB dock for an increased level of customization, including firmware updates as well as focus parameter adjustment changes. The perfect all-purpose travel lens, the 17-70mm F2.8 Macro DC HSM OS is a must have for any camera bag.

Which is better 17-70mm or 18-55mm?

The latest 17-70mm offers some pretty clear advantages over the average 18-55mm F3.5-5.6 kit lens. It provides extra zoom range, being both slightly wider and usefully longer in the telephoto range. Its F2.8-4 maximum aperture range means it gathers more light – twice as much at the long end, and 2/3 stop at wideangle.

What’s the minimum focusing distance for a 70mm lens?

This lens features a minimum focusing distance of 22cm and a maximum magnification ratio of 1:2.8, producing results that rival those of macro lenses. At 70mm, its working distance is 5.52cm. When used as a telephoto lens, it’s so close to a dedicated macro lens in performance the lens hood seems to touch the subject.