Bob's Knobs Meade 8" SCT

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About this product

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

Meade 8” (20 cm) f/10 SCT versions with three screws on the secondary housing (2080, LX5, LX10, LX50, LX90, LX100, LX200, others)

Knobs: Black plastic, 13 mm (1/2”) diameter
Threads: Black anodised aluminum alloy

Notes:

1. The factory dust cover may contact the knobs when installed. We provide a set of spacers that attach to the inside of the dust cover to move it slightly away from the secondary assembly. You can also press the centre of the cover from the inside to contour it for additional clearance.
2. Some post-2004 Meade 8” telescopes have four screws or six screws on the secondary housing. The 4-screw and 6-screw secondary require different knobs (Items B and C below) Do not use knobs for the 3-screw secondary on the 4-screw or 6-screw secondary. The screws on 3-screw knobs are too short.
3. Some very early Meade 8” model 2080 telescopes have two collimation screws. Please contact us for knobs to fit this scope.
4. An Allen wrench for removing the factory collimation screws is included with your order.

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