[Bhautik] is on version 2 of his tilt-shift lens, and wrote in to share what he has learned. Some aspects of the design on version 1 made it a bit quirky to use. You had to hold the lens in place ...

which has an ultra-wide viewing angle but only a shift function with no tilt facility. However, the 100mm lens’s focal length and 1.0x maximum magnification make it ideal for macro photography ...