What does Nifty Fifty mean when talking about cameras and photography?

The term ‘nifty fifty’ is somewhat of a photography colloquialism relating to a 50mm prime lens with a maximum aperture of f/1.8 or faster. Lenses in this range are fast and lightweight and extremely versatile for street and portrait photography. The ‘nifty’ feature is the price; These f/1.8 and f/1.4 50mm lenses often feature relatively simple optical formula with less elements than their more complex counterparts, this makes a ‘nifty fifty’ one best value pieces of glass you can add to your kit, versatility and quality at a wallet friendly price. Take the Canon EF 50mm f/1.8 STM for example, $125! Bargain.