Macro lenses with short telephoto focal lengths are some of the most useful and flexible optics a photographer can own, giving you access to a world of detail all around us, but also doubling as a fantastic option for tack-sharp portraits and more. The Sigma 105mm f/2.8 DG DN Macro Art offers that versatile combo at a relatively affordable price ($799), and this great video review takes a look at the lens and the sort of performance and image quality you can expect from it.