[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 ...
Typically, camera lenses are essentially straight, rigid barrels full of glass - that's not the case with the tilt/shift lenses, such as the Laowa 55mm f/2.8 tilt-shift 1x macro from Venus optics.
The technique has been around since the early days of photography. In 1962 Nikon introduced its first tilt-shift lens for its SLR camera. Now there's software that can help you achieve the same ...