Specially Designed for FPI Protostar: Tailored for FPI Protostar secondary assemblies that use a 8-32 x 1 inch long set screw for collimation adjustments.
Knob Features: Constructed from black plastic, each knob is 13 mm (1/2”) in diameter, ensuring easy grip and precise adjustments.
Thread Quality: Features durable stainless steel threads for a secure and lasting connection.
Usage Considerations:
Specific Fit: These knobs are compatible with FPI Protostar secondary assemblies that use 8-32 x 1 inch long set-style collimation screws.
Light Path Note: The outside edge of each knob may slightly extend into the light path.
Enhanced Telescope Tuning: Ideal for astronomers with FPI Protostar secondary assemblies seeking a simple, tool-free solution for accurate and easy collimation adjustments.
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