i havnt used them before
I am having a 18-55 kit lens and a 50mm 1.8
Havea look at this
Are these any good to buy. i dont know what they do. thy r converting lens into telephoto and wide angle and macro i guess.
P.S im not sure that sharing a link here is allowed or not. Still doing it anyway. if its against TOS. please remove the link admins.