67mm Neutral Density Filter, K&F Concept 67mm ND Filter ND2 ND4 ND8 ND Filter 67mm Professional Photography Filter Set Compatible with Canon Nikon DSLR Camera Lens Kit Includes: 67MM K&F Concept Filter Kit (ND2 + ND4 + ND8 Neutral Density) + Cleaning Cloth +3 Slot Shockproof Filter Bag D filters (Neutral Density) reduce the amount of light reaching the film without affecting the color. Can be used to enable slower shutter speeds. Also can be used to better separate subjects from the background by allowing wider apertures, effectively decreasing depth of field. Great for portraiture and outdoor scenes. Neutral Density filters are often ignored by photographers, but they have several uses and offer the possibility to achieve otherwise unachievable results. ND filters appear grey and reduce the amount of light reaching the film, they have no affect on color balance. Compatible with the Canon Reble ( T5i T4i T3i T2i ), EOS ( 700D 650D 600D 550D 70D 60D 7D ) DSLR Cameras. 18-135mm EF-S IS STM, EF-S 17-85mm f/4-5.6 IS USM Lenses Compatible with the Nikon ( D5200 D5100 D7000 D7100 D90 D60 D70 D40 ) DSLR Cameras.18-105mm f/3.5-5.6 AF-S DX VR ED,Nikkor 18-140mm f/3.5-5.6G ED VR,AF-S VR 70-300mm f/4.5-5.6G IF-ED Lenses; Compatible with the Pentax (K-30 K-50) DSLR Cameras. 18-135mm f/3.5-5.6 ED AL (IF) DC WR,DA 17-70mm f/4 AL [IF] SDM Lenses