Medium format lenses are almost always more expensive than comparable full frame or APS-C counterparts, simply because that bigger sensor needs a bigger image circle and thus, more glass. As such, a medium format lens that sits below $1,000 is worth a look. The Fujifilm GF 35-70mm f/4.5-5.6 WR is one of those rare lenses, and this great video review takes a look at it and the sort of performance and image quality you can expect.