It’s true that you can go faster and sharper with the 50mm f/1.8 below, but that lens is larger in size (it’s only slightly heavier) and not quite as versatile of a walk-around lens. The lens is reasonably sharp, focuses quickly for both stills and videos, and performs well in low light at f/2.8. In terms of optical performance, the Canon 24mm f/2.8 is good if not great. Weighing a feathery 4.4 ounces and with a total length off the camera of less than 1 inch, this 38mm equivalent lens is a really nice option for travel and everyday use. In the EF-S mount, Canon’s most popular pancake is the 24mm f/2.8. Pancake lenses are the best-they weigh next to nothing and make your DSLR feel, well, much less DSLR-like. What we don’t: Sharpness and low light performance are good but not great for a prime lens. What we like: Low profile and solid optics. These issues aside, the Sigma is a highly capable walk-around lens for EF-S and a tremendous value. The second is build quality, which is good but not quite up to Canon standards. What are the downsides of going with a third-party lens like the Sigma 17-50mm f/2.8? The first is autofocus, which can be slower than Canon’s native offerings.
And at just over half the price of the Canon 17-55mm f/2.8 below and a couple ounces lighter, this is our top walk-around zoom for crop sensor cameras. In terms of optics, you get impressive low light performance and bokeh, great color rendition, and good center sharpness (it does fall off a bit at the corners). With a constant maximum aperture of f/2.8, this 17-50mm zoom is built to mimic the 24-70mm f/2.8 full-frame lenses that are so popular among professionals. Leave it to Sigma to come up with a fast yet reasonably priced EF-S lens that gives Canon a serious run for its money. What we don’t: Autofocus and build quality aren’t quite up to Canon standards. What we like: Great optics for the price. For more background information, see our detailed Canon EF-S lens comparison table and buying advice below the picks. In addition to including the highest quality lens options with fast maximum apertures and premium builds, we have taken value strongly into consideration and that is reflected in our rankings.
To help you wade through the fray, we’ve picked the top zoom and prime EF-S lenses covering all the major categories from wide angle and portrait to telephoto. The EF-S lens options for your Canon crop sensor DSLR are immense, from standard kit zooms to specialty primes and third-party options.
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