Optec Inc. 2-inch to 3-inch Thread Adapter: Precision Integration for Cameras and Focusers

Camera and Filter Wheel Adaptation: Designed to adapt Apogee and SBIG cameras and filter wheels for use with the TCF-S focuser.
Precision Machining: Holds tight tolerances of +/- 0.003 inches for a superior slip-fit, ensuring secure and stable attachment.
Enhanced Focuser Compatibility: Features a precision-machined dovetail that matches the thumbscrews on the TCF-S focuser's drawtube, eliminating flexure.
Durable and Reliable: Crafted with high-quality materials for long-lasting use in demanding astronomical environments.
Compatibility Caution: Specifically notes that FLI cameras and filter wheels with a 3-inch x 24tpi thread require careful fitting due to slightly larger dimensions.
FLI Filter Wheel Consideration: Advises checking for sufficient thread clearance (0.100 inches) when connecting to FLI filter wheels to avoid obstructing the filter carousel.
Essential for Advanced Astrophotography: A crucial accessory for astronomers and astrophotographers seeking precise camera and focuser integration.

Specifications