Bob's Knobs FPI FPI Protostar secondary

$27.95

Bob's Knobs for FPI Protostar Secondary: Precise and Convenient Collimation Specially Designed for FPI Protostar: Tailored for FPI Protostar secondary assemblies that use a 8-32 x 1 inch long set screw...

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SKU: FPIsec8
Categories: Bob's Knobs
Tags: Bobs Knobs Collimation StarMaster
Description

Bob's Knobs for FPI Protostar Secondary:

Precise and Convenient Collimation

  • 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.
  • Part Details - Part: FPIsec8:
    • Telescope Compatibility: Perfectly fits FPI Protostar secondary assemblies with specified collimation screw dimensions.
    • 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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