Optec Inc. Model TCF-LSI, 3” Integrated Temperature Compensating Focuser

Optec Inc. TCF-LSI: Advanced 3-inch Temperature Compensating Focuser Robust 3-inch Crayford-Style Design: Offers smooth and precise focusing, ideal for demanding astrophotography. Enhanced Speed and Versatility: Updated model provides faster focusing in a compact and sturdy design. Integrated Control Electronics: Eliminates the need for an external controller, simplifying setup and operation. Plug-and-Play Convenience: Just connect power and control cable to start using it, compatible with FocusLynx family drivers. Adaptable Drawtube: Accepts all 3-inch adapters designed for TCF-S and TCF-Lynx focusers, enhancing compatibility. 2-inch Centering Adapter Included: Optional accessory allows use of 2-inch diagonals or eyepieces behind the focuser, catering to visual users. No-Touch Operation for Visual Users: Features an In-Out Keypad for easy telescope focusing without physical contact. Compatible Interfaces: Telescope side: OPTEC-4300 dovetail system. Camera side: 3-inch OPTEC-3000 receiver. Ideal for Professional Use: Suited for both amateur and professional astronomers seeking advanced focusing capabilities. 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 Software and Docs FocusLynx Software Downloads