Not long after I finished my review of the MIR-1B 37mm F2.8 I remembered that I saw an item on YouTube on how to adapt this lens to make it (as it was called) a reverse globular lens. As I wasn't too enthusiastic about this lens, because of the photos it produced and the use I had for it, this meant I could experiment with it without too much fear of damaging it, as I'm excellent in taking things apart, but not very good in putting them back together again.

While others are hooked on the Pokémon Go app, I'm exited by its (hype wise) photography equivalent, the Prisma app. It is one of the most fun photography related apps I have used so far. So much fun, that I try to contain myself not turning every photo I made into a Prisma "artwork".

The last lens in this three part review series of Russian lenses is the the MIR-1B 37mm F2.8. As I said in part two, if you look at the specs of this lens it looks like a very ordinary lens. An allround focal length of 37mm (not long but also not very wide) and a maximum aperture of F 2.8 (not too slow, but also not very bright).  It looks very nice, has a solid build, all metal and compact. The glass has a yellow sheen, because of the use of Lanthanum Oxide. A rare earth metal which was used for special optics, making the glas more resistant to alkali and optimizes the quality of the glass (it was also used in lenses made for telescopes).