Currently have the 50mm 1.8, but considering purchasing a 40mm pancake. What is the comparison like between these two lenses. I don't need the lens forone particular reason, just a real cool general use lens to have, it would get most of its use in the pits at motor racing events, and shooting general family things (meals/holidays/cats/dogs/beach etc.)
Any help would be great. Especially from those who have had experience with both.