Based on Net filters commonly used in cinematography, these filters provide a subtle soft focus effect while also increasing (black net) or decreasing (white net) contrast. If required the selective hole can be slid into the frame to provide an unaffected clear centre effect. The Black Net 1has an approximate exposure increase of ½ stop. Whilst the Black Net 2 has an approximate exposure increase of 1 stop.
Lee Green 15 Polyester Colour Correction Filter.
The 81 Series of filters control the bluish colouration that affects daylight film. They can also remove excessive blue from the effects of electronic flash. Good for general scenics when the photographer wishes to remove the bluish cast from open shade or just add warmth to the photograph, with an 81EF having the greatest effect. Lee resin filters are 4 x 4" (100 x 100mm) x 2mm thick.
This set of graduated filters features three primary colours - red, green and blue - for selective covering over parts of the frame. These filters are ideal for creating special effects, and can be accurately placed by using the rotational feature of the holder system, or by vertical positioning within the filter guides.
If you are attending the total solar eclipse in North America in 2017 or the two events visible around the world in 2018, you will need these filters to make the most of your photography. NB: These filters are NOT intended for viewing the sun with the naked eye. Doing so will result in serious and lasting injury or even blindness.