Optec Temperature Compensating Focuser TCF-LSI 3" (19705)

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Optec TCF-LSI 3" Following the long tradition of the TCF-S Temperature Compensating Focuser, Optec's TCF-LSI features a robust 3-inch Crayford-style design for smooth focus. The up dated model is faster and offers greater versatility in the same compact, yet solid, focuser design.The TCF-LSI Temperature Compensating Focuser has all of the control electronics integrated into the focuser body. This means that you do not need any external controller. Simply connect power and the control cable and you are ready to begin. The TCF-LSI uses the same drivers as the rest of our FocusLynx family of focusers.As a robust Crayford style 3-inch focuser, the TCF-LSI Temperature Compensating Focuser drawtube accepts any of our 3-inch adapters developed especially for the TCF-S and TCF-Lynx focusers. The optional 2" Centering Adapter allows any 2-inch diagonal or eyepiece to be added behind the focuser. Visual users will appreciate the In-Out Keypad for no-touch operation of the telescope focus. Compatibility Telescope side interface: OPTEC-4300 dovetail system Camera side interface: 3-inch OPTEC-3000 receiver. 2-inch Precision Centering Adapter is now included. Technical Specifications Clear Aperture: 3.0 inches (76.2mm) Back Focus Usage: 3.8 to 4.8-inches (96.5 to 122mm) Step Resolution: 2.5 micron / step Power Consumption: 12VDC, < 1A Payload Capacity: 22-lbs. (10kg) Connectivity: Serial In the Box TCF-LSI 3-inch Crayford-style Digital Focuser,Optec USB/Serial communications cable, 6-ft. length12VDC 1.25A power supply - 110-240VAC inputUL/CSA compliant wall plug cord20-in Temperature Probe Manuals & Warranty Optec 1-Year Warranty Show more