Sigma 17-50mm f/2.8 EX DC OS HSM customary wizz lens Lense Review

When it comes to DSLR picture quality, flattering many all of us have listened a aged credo about a peculiarity of a lens being some-more critical than a cost of a camera. In this honour it pays to get off to a best probable start when shopping your initial DSLR, or when holding your initial stairs towards building a lens collection.
Sigma 18-50mm DC EX HSM OS 5
Thing is, good lenses like Sigma 17-50mm f/2.8 EX DC OS HSM cost money, and when purchasing a DSLR many people are many some-more expected to spend as many as they can on a camera and settle for a inexpensive pack lens, some-more mostly than not with a focal operation of between 18-55mm; a supposed ‘standard zoom’. This is far-reaching adequate to fire landscapes and groups of people, while also carrying adequate strech to support for particular portraits and to besiege circuitously subjects from their surroundings.

While there’s no denying a coherence a customary wizz offers, many pack lenses tend to be a bit groundless and plasticky. In further they customarily offer a limit orifice that starts during f/3.5 during 18mm, gradually interlude down to f/5.6 by a time we strech 50mm or 55mm.

The Sigma 17-50mm f/2.8 EX DC OS HSM lens (herein referred to as a ‘Sigma 17-50mm’), by contrast, takes things adult several notches in all areas, from ubiquitous build peculiarity to performance. Specifically designed for use with DSLRs propitious with an APS-C sensor, it’s a many incomparable and some-more plain ocular than your customary pack zoom.
Sigma 18-50mm DC EX HSM OS 4
Just as importantly (if not some-more so) it also offers a quick f/2.8 orifice via a focal range. Not usually will this concede we to fire during aloft shiver speeds in bad light, it can also be used creatively to emanate a shoal abyss of margin that keeps your categorical theme pointy while throwing a credentials out of focus. Judged quite on a merits as a artistic tool, a customary wizz with a consistent f/2.8 like this is intensely useful.  

In this honour a Sigma 17-50mm we have on exam here represents a poignant ascent over your customary pack lens. But during around £550 it’s not cheap. Sure, we can substantially replenish around £100 if we were to buy your DSLR as a body-only choice rather than going for a pack lens package. But is a Sigma 17-50mm value this additional investment? And does it consequence a closer demeanour during full cost if we already possess a pack lens of a identical focal range? Let’s take a closer demeanour during what it delivers for a additional outlay.

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