I've a van slyke engineering micro slider for sale.
Asking for $150. New price is $399.
This unit is built like a tank and will last a lifetime. Sold my CCD camera and have no need for this unit.
This unit is for you if you're short on backfocus.
Female SCT thread at the telescope port
Male T-thread at the CCD camera port
Takes 1.25" eyepieces at the eyepiece port.
This is the version without the off-axis guiding function.
Buyers pays shipping. Paypal+3% or money order accepted.