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Celestron 8" (20 cm) f/10 SCT with EdgeHD Optics
Celestron 8" (20 cm) f/10 SCT with EdgeHD Optics
26,95€
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Meade 12" (30cm) f/5 LIGHTBRIDGE Primary and Secundary
[MLB12-SET]
45,00€

SCT Collimation without Tools: BOB'S KNOBS

KNOBS FOR MEADE 12inch (30cm) f/5 LIGHTBRIDGE PRIMARY AND SECONDARY

  • Fits: All Meade 12 inch (30 cm) f/5 Lightbridge telescopes. Also fits Zhumell and GSO 12 inch telescopes.
  • Knobs:
  • Primary collimation: Black plastic, 30 mm (1-1/4 inch) diameter, 5-point fluted.
  • Primary locking: Black plastic, 25 mm (1 inch) diameter, knurled.
  • Secondary collimation: Black plastic, 13 mm (1/2 inch) diameter, knurled.
  • Threads: Black oxide or zinc plated steel (primary adjustment); stainless steel (primary locking); stainless steel (secondary).
  • Note 1: The factory dust cover will fit normally with Bob's Knobs installed.
  • Note 2: Our primary knobs will clear the rocker box.
  • Note 3: One of the primary mirror knobs may interfere with the cooling fan connector. The plug will fit properly between the knob flutes (photo), 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 4: 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.

  • Installation instructions are available in English, Spanish, German, Italian and French.

    Available Options:
    Set:
    Lightbridge Secondary
    Click to enlarge
    This product was added to our catalog on Sunday 06 May, 2007.
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