Pro100 Long Exposure Filter Kit with 4 x 4" Solid Neutral Density 1.2 and IRND 3.0 Filters special The Sky 1-A is a

The Sky 1-A is a high altitude protective filter that helps block UV while also adding a nice warmth to the image

Removable adjustable non-slip gripper strap

The infrared portion attenuates infrared wavelengths to benefit working with CCD and CMOS sensors under difficult lighting conditions where infrared pollution can affect color balance

To prevent internal ghosting and reflections

Pro100 Long Exposure Filter Kit with 4 x 4" Solid Neutral Density 1.2 and IRND 3.0 Filters special The Sky 1-A is aThis versatile Tiffen Pro100 Long Exposure Filter Kit contains a 4 stop, solid neutral density filter, a 10 stop IRND filter, as well as a Pro100 Series Camera Filter Holder and two anodized aluminum alloy adapter rings for attaching to lenses with front filter thread diameters of 77mm. Both of the included filters allow you to photograph with a wider aperture or longer shutter speed than normally required; in order to better control depth of field