The Sigma 17mm F4 DG DN Contemporary ($599) is an exceptionally slim, carry-friendly lens, which is no small feat given its extra-wide angle of view and full-frame coverage. The I Series is defined by its metal-barrel design cues and on-lens aperture control, both on full display here. And we have little bad to say about its picture quality. There are alternatives to consider depending on what camera system you use, but the 17mm F4 is a fine lens and excellent value in either E-mount or L-mount, especially for creators who prefer small, discrete primes over zooms.The Widest I Series to Date The 17mm F4 DG DN Contemporary is part of the Sigma I Series, a subset of lenses that share the same design concept and language. Like its brethren, this prime is housed in a black anodized aluminum barrel and includes a matching metal hood and magnetic metal lens cap. Size-wise, it's one of the slimmer entries, not far off in concept from the not-as-wide 24mm F3.5 DG DN Contemporary, and easie...

The Sigma 17mm F4 DG DN Contemporary lens puts crisp, extra-wide optics into a metal barrel with old-school style at a reasonable price.

Crisp, wide-angle optics; Snappy, quiet autofocus; Supports 1:3.6 macros; On-barrel aperture control; Aluminum construction with classy magnetic cap

Not fully weather-sealed; Shows some focus breathing; LoCa false color visible in backgrounds

The 17mm f4 DG DN is a valuable and fun addition to Sigma’s Contemporary I series of compact and affordable full-frame lenses. Here’s an affordable ultra-wide lens that’s small and light, but well-built with fast focusing and sharp results corner to corner.

Sigma 17mm F4 DG DN C is a Fixed aperture Auto Focus (AF) Wideangle Prime lens with 35mm FF max sensor coverage, and it is designed to be used with E Mount cameras. Sigma 17mm F4 DG DN C is a member of Sigma's I-series series of lenses. Below you can see the latest lenses in this series.

Weather-sealed, Autofocus, AF/MF Switch on Lens, Aperture Ring, Hood supplied, Covers Full-Frame Sensor, Extreme Wide-angle capability, Minimum focus distance of, 0.12m / 4.7 inch, Not so fast for a short Prime Lens

Weather-sealed, Autofocus, AF/MF Switch on Lens, Aperture Ring, Hood supplied, Covers Full-Frame Sensor, Extreme Wide-angle capability, Minimum focus distance of, 0.12m / 4.7 inch, Not so fast for a short Prime Lens

Sigma’s relatively new I Series of compact and nicely designed lenses now has nine members, and this Sigma 17mm F4 DG DN is the latest and widest of the gang. The I Series sits within the company’s Contemporary segment, so we should expect good performance at a price that makes the lens accessible...

The Apple iPhone 14 isn’t a huge upgrade on the iPhone 13, yet it still is a great phone with a top camera, good battery life and all the iOS benefits.

Clever safety features, Very good battery life, Reliable camera, Fun colours, You’ve got an ageing iPhone: If you’re on an iPhone 11 or older, then the changes here will make a notable difference.

Stuck on a 60Hz display, Minimal differences to the iPhone 13, You’ve got an iPhone 13: The changes from Apple’s previous phone aren’t enough to warrant an upgrade this year.

While it's a shame that picture and sound quality haven't been upgraded, the iPhone 13 was great in these regards and the iPhone 14 is, too Excellent display Admirable headphone performance Solid build quality No upgrades to picture or sound Familiar design Notch is still present

The Apple iPhone 14 is no match for the just-released iPhone 14 Pro, but if you ignore that, it’s one of the most effective phones around.

Great cameras, front and back, Fast performance, Good battery life, Innovative safety features

Design too familiar, Some average features

Apple's latest non-Pro iPhone is superb - it's just that it's strikingly similar to last year's effort.

Still an incredible smartphone, Brilliant battery life gets a bit better, Excellent camera system gets a bit better

Last year’s Pro hardware, Wireless charging slow by modern standards, No USB-C; it’s now well overdue

More like an iPhone 13S. The generational upgrades for the iPhone 14 are limited to a few subtle changes. At the same time, however, the base price climbs to 800 USD, while the only true innovation happens inside the iPhone 14 Pro series.

excellent OLED display, dust- and waterproof, fast Wi-Fi, wide range of supported frequencies, great camera, very fast performance, good battery life

display limited to 60 Hz, charging rate limited to 20 watts, no macro lens, wide notch

“The iPhone 14 isn't a huge upgrade compared to its predecessor. But with a great design, screen, performance, and cameras, that's far from a bad thing at all.”

Comfortable, high-end build, OLED screen looks fantastic, A15 chip performs great, Good camera upgrades, Dependable battery life, Helpful safety features

60Hz display, No telephoto camera, eSIM might be a pain for some