most popular because:
1. Cheapest u can find in Nikon or Canon
2. Prime lens...so quality is among the best! It is hard to produce a louzy 50mm prime. Sharp!
3. Fast. No zoom is this fast...and is suitable to keep as backup for low light photography.
4. "Normal" viewing angle. 50mm is suitable as a general all purpose lens.
1. Cheapest u can find in Nikon or Canon
2. Prime lens...so quality is among the best! It is hard to produce a louzy 50mm prime. Sharp!
3. Fast. No zoom is this fast...and is suitable to keep as backup for low light photography.
4. "Normal" viewing angle. 50mm is suitable as a general all purpose lens.