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Bob's Knobs Collimation Knobs (Primary) for Meade 12

Price: $29.00

  • Manufacturer: Bob's Knobs
  • Availability: In Stock

Adjustment and lock screws (3 adjustment, 3 lock). Fits all Meade 12 inch (30 cm) f/5 Lightbridge telescopes. Primary knobs also fit Zhumell, GSO, and Hardin Optical 12 inch telescopes.

Note 1: Our primary knobs will clear the rocker box.

Note 2: One of the primary mirror knobs may interfere with the cooling fan connector. The plug will fit properly between the knob flutes, so leave this one knob stationary and collimate using the remaining knobs. If desired, you can leave the factory collimation screw that is next to the fan connector in place.

Note 3: Primary mirror springs as supplied by the factory can sag from the weight of the mirror cell. Our stainless steel replacement springs are stronger and provide adequate support to maintain primary mirror collimation. We recommend that the mirror locking screws remain in place for additional control.

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