David Clapp's guide to using interesting and often cheap vintage lenses, on mirrorless cameras. We also look at some home-made cameras that don’t use lenses at all, recommend some bargain fast primes, and pay tribute to the legendary Lee Miller, the subject of a major retrospective showing at Tate Britain. On test is the impressive Hasselblad X2D ll 100C medium-format camera, and the lovely Fujifilm XF 23mm F2.8 pancake prime. Plus, APOY Round 5 results, and more