[QUOTE=Flyingpig]Then for the ND..when will it be useful when taking photos? Also the polorizer too.. Not familar with all this filters...is there any website where they explain all kinds of filter?
there are so many diff. filters. UV and SKYLIGHT is the most common.
some gives you stronger colours to yr pics.
some to shoot through glass n water.
some gives u a darken sky....so many more....
u can go to a book shop n look up on filters for more details.