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INSTRUCTIONS-SCT (pdf)

• English
• French
• German
• Italian
• Japanese
• Spanish

INSTRUCTIONS-Newt (pdf)

• English
• French
• German
• Italian
• Spanish

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
• Bob’s Knobs for the Celestron NexStar Mount