Bob's Knobs StellaLyra / GSO 10'' RC Secondary Collimation Knobs

Bob's Knobs StellaLyra / GSO 10" RC Secondary Collimation Knobs

£29.00✓ 2 year warranty


2x in stock shipped 1-2 working days

About this product

Model:  bk_at10rc_sec
Part Number:  AT10RC

Replacement collimation knobs for StellaLyra / Astro-Tech / Orion / GSO 10" Ritchey-Crétien telescopes.

Bob's Knobs are the BEST option for tool-free collimation.

Simple to fit and easy to use.

Collimate your telescope without an Allen key or screwdriver!

Instructions are supplied but can also be found online as well as useful FAQ.

Images are representative and may not show the exact knob size / threads.

IMPORTANT: Please ensure the Bob's knobs threads and factory screw threads match before installation.

Part: AT10RC
Fits: StellaLyra / Astro-Tech / Orion / GSO 10" f/8 Ritchey-Crétien Secondary (solid or truss-tube)

Knobs: Black plastic, 16 mm (5/8”) diameter
Threads: Stainless Steel.

Note: The factory dust cover may contact the knobs when installed, but the cover will remain in place. If desired, a shower cap can be used as a substitute cover.

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