Bob's Knobs

Bob's Knobs

Collimation Thumbscrews

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INSTRUCTIONS - Cassegrain (pdf)

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INSTRUCTIONS - Newtonian (pdf)

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German
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INSTRUCTIONS - Telrad (pdf)

English

TECHNICAL PAPERS (pdf)

Bob’s Knobs and the Celestron SCT
Bob’s Knobs and the Meade Six-Screw Secondary

PRODUCT BROCHURES (pdf)

General Catalog
Bob’s Knobs for the Meade Lightbridge
Bob’s Knobs for the Losmandy G-11 and GM-8 Mounts

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