We offer knobs for the Sharpstar 15028HNT Hyperbolic Newtonian secondary. The primary already has factory knobs. Please read the notes for important information. Price is for a complete set of knobs.
A. Knobs for Sharpstar 13028HNT Secondary
Part: SPSTsec1
Fits: Sharpstar 13028HNT telescopes.
Knobs: Black plastic, 19 mm (3/4”) diameter
Threads: Stainless steel
Notes:
- The factory dust cover will no longer fit onto the OTA after secondary knobs are installed due to lack of clearance. A fabric dust cover or shower cap can be substituted if desired, or the dust cover can be omitted altogether if the telescope is stored in an enclosed case.
- If the knob screw length is too short, Contact Us and we will send you knobs with slightly longer screws. The underside of each knob should be at least one millimeter above the surface of the secondary housing.