Hello all, I would like to buy a ND filter (stop 10 I think) for trying long-time exposure.I have a Canon EOS 100D and 3 lenses: EF 50mm f/1.8, EF-S 18-55 mm f/3.5-5.6 and EF-S 10-18 mm f/4.5-5.6. Of course, they all have different diameters... I don...
