Andrew of husband and wife photography team Denae and Andrew recently partnered up with KEH to test out 10 of the best-selling vintage 50mm lenses on the used market. From old Nikon and Canon glass, to Minolta, Pentax and even a Contax lens, all of these can be had for under $100, and Andrew wanted to find out which of the 10 performed best. One note: Andrew tests all 10 lenses on his Fujifilm X-T3, so there is an APS-C…