In a previous post, I shared a brief history of the Jupiter lenses, a Soviet-made series that have become popular with mirrorless camera enthusiasts. There are several models, with some -- notably the Jupiter 8 -- often available very inexpensively on eBay. Intrigued by the possibility of expanding my lens arsenal with an inexpensive but useful lens, I did some shopping, and ended up with one of the 50 mm Jupiter 8's for about $50, including shipping. Not bad.