Sony FE 16-35mm f/2.8 GM II vs Canon RF 15-35mm f/2.8 L IS USM


Wide-angle zoom lenses make up one-third of the ‘Holy Trinity’ lens lineup and prove endlessly useful for several purposes, including landscapes, architecture and astrophotography. Often, a standard 24-70mm zoom lens isn’t quite wide enough to shoot a particular scene, so having a wide-angle lens in your kit bag lets you fill the gap below 24mm. 

Wide-angle lenses are favored in astrophotography because they capture a wider portion of the sky and let more light in than standard and telephoto lenses typically do (which, when you’re shooting in the dark, is very important). On the whole, prime lenses are considered the best lenses for astrophotography due to their wider apertures, but you can quite easily use one of the best zoom lenses at f/2.8 to get some fantastic astro shots. However, the advantage of using a zoom lens over a prime lens is the versatility of changing the focal length to shoot different styles.

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