Tiffen 46mm 80A Color Conversion Filter Kings Electronics BNC Connector This version is made of

This version is made of a durable nylon fabric

42mm objective diameter

Optical Design Maksutov-Cassegrain Aperture 4" / 102 mm Focal Length 1300 mm Focal Ratio f/12

and the included sun hood attaches via hook and loop fastener to a removable sun hood attachment frame

Tiffen 46mm 80A Color Conversion Filter Kings Electronics BNC Connector This version is made ofCooling Color Conversion Filter 3200 to 5500K Color Temp Increase ColorCore Technology The Tiffen 46mm 80A Color Conversion Filter helps to increase the color temperature from 3200 to 5500K, allowing the use of daylight balanced film in tungsten lit conditions. The cooling effect of this filter requires a 2 stop increase in exposure for normal results. This filter is made using ColorCore technology, a process that involves laminating the filter