ULTRA-LONG EXPOSURES FOR DRAMATIC IMAGES – The ND1000 neutral density filter reduces light by 10 stops, perfect for capturing cloud motion and smooth water effects in very sunny conditions. Ideal for DSLR and mirrorless camera lenses and film photographers. EXCLUSIVE ACCU-ND TECHNOLOGY FOR CONSISTENT COLOR ACCURACY – Engineered with HOYA's ACCU-ND technology, the filter ensures precise 10-stop light reduction without color shift. Create consitent, natural and predictable image results whether you are using the the PRO ND-EX 3-stop, 6-stop or 10-stop filters. BLOCKS INFRARED – Modern digital camera sensors are highly sensitive to infrared (IR) light. During long exposures, IR light can pass through standard ND filters and even the camera's built-in IR cut filter. This can lead to muddy shadow detail and unwanted green or magenta color casts. HOYA’s advanced IR blocking technology ensures clean, consistent, and color-accurate results every time. DURABLE ALUMINUM FRAME & STACKABLE DESIGN – Built with a light-weight aircraft quality aluminum frame HOYA's PRO ND-EX camera lens filters are lightweight, durable and prevent binding with the lens for easy attachment and removal . Front filter threads allow you to stack multiple filters like additional ND's and Polarizers for more creative control in various lighting conditions and creative photography needs. MULTIPLE SIZES AVAILABLE TO COVER YOUR LENS NEEDS – Available in 49mm, 52mm, 55mm, 58mm, 62mm, 67mm, 72mm, 77mm, and 82mm, this ND filter series fits a wide range of vintage and modern camera lenses. Perfect for film cameras, DSLR cameras, and mirrorless camera systems.