MoonLite Dual Rate/Filter Swing Crayford Focuser (Model CR4) Want it all? MoonLite's Dual Rate/Filter Swing is the best equipped crayford on the market today. It uses both the inline Dual Rate reduction system (8.2 to 1) and the Filter Swing system. Your choice of reduction knob mounting. Need we say that this is the focuser we use? Custom anodized colors and draw tube travel lengths of 1.5", 1.75", 2",2.75" are available through MoonLite. Left handed Slow motion configurations are also available on CR2 and CR4 models.
