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The Cokin P Series Skylight 1B Filter is designed for use with a Cokin P Series Filter Holder. It is a general use filter designed to reduce the bluish cast of daylight when this filter is used on a film camera system with daylight film installed, or on a digital camera system with its daylight white balance setting selected.
This filter achieves its effect by absorbing ultraviolet light while purposely creating a warm cast over an entire image with a magenta tone. The addition of that warm cast with magenta tone is obtained by slightly decreasing the transmittance of visible light wavelengths associated with green, yellow, and orange relative to other colors within the visible spectrum.
This filter is made of durable, optical resin (CR39) and measures 1.6mm thick. When used, the Cokin P Series Skylight 1B Filter's 0.4 density darkens the entire image by 1.3 stops. This reduction in exposure can be compensated for by adjusting the aperture setting of the lens it is placed on, or the shutter speed of the camera being used.
Compatible with a Cokin P Series Filter Holder
Reduces bluish cast of daylight by absorbing UV light and adding a warm cast with a magenta tone to an entire image when used on a film camera system with daylight film installed, or on a digital camera system with its daylight white balance setting selected
0.4 density filter with 2.5x filter factor darkens the image by 1.3 stops
Filter density can be compensated for by adjusting lens aperture or camera shutter speed
Constructed from optical resin (CR39) for clarity and durability