We are currently being a Vendor at Black Forest Star Party in Pennsylvania! Shipping will resume with our return on Monday! Come by the vendors tent and say hi!!!
Bob's Knobs for Celestron SCT 8” Pre-1980 Orange Tube:
Enhance Your Classic Telescope
Tailored for Classic Celestron SCT 8" f/10: Specifically designed for pre-1980 Celestron 8” (20 cm) f/10 SCTs with the iconic orange optical tube and factory set-style (Allen or slotted) collimation screws.
Part Information - Part: C8org:
Telescope Suitability: Perfectly compatible with pre-1980 orange tube C8 models.
Knob Design: Constructed from black plastic, each knob measures 13 mm (1/2”) in diameter, facilitating easy and precise adjustments.
Thread Material: Features black anodized aluminum alloy threads for a secure and long-lasting fit.
Special Features for Classic Models:
Fits Pre-1980 Models: These knobs are tailored for the unique secondary setup of early orange tube C8 models.
Secondary with Central Screw: The secondary housing includes a fourth central pivot screw (do not adjust this screw).
Two Sets of Knobs Included:
Varied Screw Lengths: Each order includes two sets of knobs with different screw lengths. Choose the length that best fits your telescope.
Optimal Screw Length: Aim for two or three screw thread turns above the secondary housing, ensuring the dust cover fits without touching the knobs.
Preserving Your Classic Telescope:
Avoid Adjusting Pivot Screw: The central screw in the secondary is for pivoting purposes only and should not be adjusted.
User-Friendly Collimation Solution: Ideal for owners of the classic Celestron SCT 8” orange tube, seeking an effortless, tool-free method for accurate collimation adjustments.
Choosing a selection results in a full page refresh.
