- - Square ND Filter & Holder Kit, K&F Concept ND1000 Lens Filter 100mm X 100mm Square Neutral Density Filter Multi-Coated Optical Glass ND Lens Filter 100mm Square Aluminum Filter Holder
- - Top-grade colored optical glass and double-sided multi-layer reinforced coating: 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.