A Foto-gears Mesen New Professional 62MM Neutral Density Filter kit ND2 ND4 ND10 Filter Set with a filter bag for Pentax Fujufilm Sigma Olympus Nikon Canon 62mm lens ND Filter kit 1 Requires a slow shutter speed (long exposure required in the daytime or continuous dynamic screen shot). 2 Need shallow depth of field shot of (in the large aperture, by blurring the background to highlight the theme of the effect) 3 Need to control the speed (in very bright outdoor environments, maintaining the right amount of exposure) 4. The need to prevent over-exposure camera (the lens to avoid when using this camera is the smallest aperture change occurred in the case of exposure) 5. Model : Foto-gears 10MM Nature Density ND2 ND4 ND10 filter set