Moonlite 2.5 inch CSL Model SCT Focuser with DC motor and slip clutch

The flanges come in 8 thread sizes for SCTs and RCs. The 3 1/4" Celestron thread size, 3 1/4" Meade thread size, 4" thread size for Meade 16" scopes, RC 6" / 8" thread size, RC 10" / 12" thread size, and Vixen 260L thread size. The 3 1/4" Celestron threaded flanges fit 11" and 14" Celestron visual backs. The special taller EDGE flange fits the new 11" and 14" Celestron Edge scopes. We make a special EDGE flange for the 9.25" EDGE that has a cut shape on the bottom to clear the mirror focus knob. The 3 1/4" Meade threaded flanges fit Meade 10",12" and 14" Meade Visual backs. Please note; The CSL large format focuser is not intended for the smaller 8" SCT scopes due to the small 2" SCT threaded visual back. Please look at the CS 2" format size focuser for all 8" SCTs with the smaller visual back thread size. It is important to pick a matching drawtube and flange combination when configuring the Moonlite focuser. We recommend the drawtube length for each flange listed below. The 3 1/4" Celestron thread regular profile flange fits 11, and 14" Celestron SCTs. It is rotatable and collimatable. The correct drawtube length for this flange are any of our 1" travel versions, including the sliding focal reducer adjustable position drawtube. The The 3 1/4" Meade thread regular profile flange fits 10, 12", and 14" Meade SCTs. It is rotatable and collimatable. The correct drawtube length for this flange are any of our 1" travel versions, including the sliding focal reducer adjustable position drawtube. The large 4" Meade thread flange fits only the 16" Meade SCTs with the 4" visual back. It is rotatable and collimatable. The correct drawtube length for this flange are any of our 1" travel versions, including the sliding focal reducer adjustable position drawtube. Vixen flange fits the VMC260. The correct drawtube length for this flange are any of our 1" travel versions. The 3 1/4" Celestron thread EDGE flange fits the EDGE 11", and 14" Celestron SCTs. It is rotatable and collimatable. The correct drawtube length for this flange are any of our 1.5" travel versions. This flange is slightly taller then the regular Celestron flange above to provide the ideal spacing / profile if the new EDGE Focal Reducers are used. Please note the EDGE focal reducers do not fit inside the focuser. The focuser threads on to the Focal reducer for all of the EDGE model scopes. The longer 1.5" travel 68mm thread top drawtube is the popular and best match for this flange. The EDGE 9.25" flange is tall like the regular EDGE flange above, but has a special machined shape at the bottom to provide clearance around the Mirror focus knob on the visual back. The correct drawtube is the 1.5" travel 68mm thread top when picking this flange. RC 6" / 8" flange fits the threaded visual back on RC8" and RC6" scope. It also fits the AstroTech, Orion, and GSO versions of the RC OTAs. The flange is rotatable and collimatable. The correct drawtube length is the 1.5" travel versions. This focuser threads on to the included spacer flanges that Astrotech provides to adjust the mounting position. However the longer 2" travel drawtube can also be picked if more out travel is needed for imaging set ups. RC 10" /12" flange fits the threaded visual back on RC10" and RC12" scope. It also fits the AstroTech, Orion, and GSO versions of the RC OTAs. The flange is rotatable and collimatable. The correct drawtube length is the 1.5" travel versions. This focuser threads on to the included spacer flanges that Astrotech provides to adjust the mounting position. However the longer 2" travel drawtube can also be picked if more out travel is needed for imaging set ups.