LEE Filters 3x3" 81D Color Conversion Polyester Filter Middle Atlantic RSH4A2X Note: Does not include spreader

Note: Does not include spreader or feet

The 25-pack antique white 16 x 20" 2-Ply 100% Cotton Museum Board from Archival Methods� is suitable for matting

The SkySync GPS Accessory from Celestron boasts a 16-channel GPS module

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UPC: 051128742013

LEE Filters 3x3" 81D Color Conversion Polyester Filter Middle Atlantic RSH4A2X Note: Does not include spreaderThe 81 Series of filters controls the bluish coloration that can affect daylight film. They warm scenes shot on cloudy days. They can also remove excessive blue from the effects of electronic flash. These filters are also good for general scenics when the photographer wishes to remove the bluish cast from open shade or just add warmth to the photograph. The 81 series is available in grades from 81 through 81EF, with 81EF having the warmest effect. Lee