Bob's Knobs for Soligor MT-750 6" Primary

Article number: SolMTpri
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The knobs below will fit all versions of the Soligor MT-750 6” primary.

A. Knobs for Soligor MT-750 6” Primary

Part: SolMTpri
Fits: Soligor MT-750 6” telescopes.

Primary collimation

  • Knobs: Black plastic, 16 mm (5/8”) diameter
  • Threads: Stainless steel

Primary Lock

  • Knobs: Black plastic, 19 mm (3/4”) diameter
  • Threads: Stainless steel


  1. Since the factory collimation and locking screws are close together, knobs must be staggered in height. The primary lock screw is longer and larger in diameter than the primary adjustment screw.
  2. Protect the primary knobs from damage, and do not support the OTA using the knobs as feet.
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