The Tiffen DV Select 3 kit contains everything you need to capture that spectacular outdoor shot or panoramic portrait. Neutral Density - It is often necessary or desirable to balance the light intensity of one part of a scene with another. This is particularly true in situations where you do not have complete control over the lighting, such as in bright and contrasty landscapes. Exposing for the foreground will produce a washed-out and overexposed sky, whilst exposing for the sky will leave the foreground dark and underexposed. This filter allows you to properly preserve cloud detail in the image. - Determining which graduated neutral density filter gives ideal results for a given lighting situation requires knowledge, experience and a collection of such filters. Choose the filter strength that adjusts the lighting to stay within the exposure latitude (greatest difference between light/dark values) that still shows detail in the digital or film medium being used. Black ProMist - is part of the Hollywood F/X filter series. The Black Pro-Mist creates moderate image softening and moderate to strong highlight flare, but without as much lightening effect in shadow areas. Here is another tool to add to your arsenal for portraits. Part of Tiffen's award-winning F/X filter series, the Black Pro-Mist gives you the ability to add a new dimension to your images. Part of the difference between ordinary photography and "great" photography lies in attention to detail - and with Tiffen's Pro-Mist filter series, you can adjust your images just enough to distinguish them from everyone else's. Generally, the 2-stop value (ND 0.6 - the clear part of the filter allows 4 times more light through than the darkest part) effectively compensates for average bright sky versus foreground situations, and the soft transition is more often applicable to a scene than the hard transition. Ultra Circular Polariser - Tiffen's Ultra polarisers polarise light "a bit more" than ordinary polarisers. Reflected light rays become polarised. Polarising filters are used to select which light rays enter your lens. They can remove unwanted reflections from non-metallic surfaces such as water or glass and also saturate colours, providing better contrast. The effect can be seen through the viewfinder and modified by rotating the filter. The filter factor varies according to the filter's rotation and its orientation relative to the sun. Neutral density filters have four main uses - Allow the use of slow shutter speeds, particularly with high-speed films, to record the motion of subjects such as waterfalls, clouds or cars - Decrease depth of field by allowing the use of wider apertures, which helps separate subjects from their background - Decrease the effective ISO of high-speed films (above 400 ISO) and allow their use outdoors in bright situations - Sand or other bright scenes that could cause overexposure Pro Mist Filters - Offers all the benefits of the Pro-Mist filter in a more subtle form - Highlight flare is controlled - Contrast is lowered, but with less shadow lightening for a more delicate effect - Delicate effect with contained highlight flare - Creates a "pastel" soft light effect Ultra Polarisers - Your deep blue sky will become even "bluer" - A highly efficient design - Made from White Water glass