Ultra-wide angle zoom lenses with f/2.8 apertures are popular for everything from weddings and events to landscapes and astrophotography. Nonetheless, such lenses are often rather expensive, frequently costing north of $2,000. And so, at $996, the Nikon 17-28mm f/2.8 Di III RXD is a breath of fresh air. Can it keep up with more expensive competitors? This excellent video review takes a look at the sort of performance and image quality you can expect.