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Star Knobs with Center Post
This set of star-shaped level adjustment screws with a center post is for using the iOptron AZ Mount Pro on an iOptron Pier or Tri-Pier. The three knobs serve as the mount's level adjustment screws on the pier top, and their star shape is easy to turn by hand, even with gloves. On the Tri-Pier, the center post is fitted under the pier's top plate in place of the standard post, so the AZ Mount Pro can be secured to the pier.
Ergonomic Control for Field Adjustments
The star-shaped design allows you to get a firm, comfortable grip that a simple round knob or a hex bolt cannot match. Turn each knob by hand to level the AZ Mount Pro on the pier. In the dark, the distinct shape is easy to find and operate by feel alone.
Center Post for Pier and Tri-Pier
A key feature of these knobs is the integrated center post. iOptron supplies it for using the AZ Mount Pro on an iOptron Pier or Tri-Pier, together with the three star knobs that serve as level adjustment screws.
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Why are these level adjustment screws star-shaped?
Upgrading to these Star Knobs let you level the AZ Mount Pro on the pier by hand, without tools, and are easier to turn than small bolts, especially when wearing gloves in cold conditions.
What is the purpose of the center post on these Star Knobs?
The center post is used with the three star knobs to set the AZ Mount Pro on an iOptron Pier or Tri-Pier, where the knobs serve as the mount's level adjustment screws.
How do these Star Knobs improve setup on a German Equatorial Mount?
iOptron lists this set for the AZ Mount Pro on an iOptron Pier or Tri-Pier, not as replacement bolts for German equatorial mounts.
Can these Star Knobs help secure a guide scope more effectively?
No. iOptron lists this set as level adjustment screws with a center post for the AZ Mount Pro on a Pier or Tri-Pier; it is not guide scope ring hardware.
How do I determine if these Star Knobs will fit my telescope or mount?
iOptron lists it (#8340-Pier) for the AZ Mount Pro on an iOptron Pier or Tri-Pier. On the AZ Mount Pro tripod, iOptron uses the three-knob set #8340 without center post.
Are these Star Knobs suitable for adjusting polar alignment?
No. They are the level adjustment screws and center post for setting the AZ Mount Pro, an alt-azimuth mount, on an iOptron Pier or Tri-Pier; they are not polar alignment bolts.
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| Kind |
Level adjustment screws (star knobs) with center post |
| Fits (mount / scope) |
iOptron AZ Mount Pro on iOptron Pier or Tri-Pier |
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No product-specific downloads are available.
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Please contact us for warranty information on this product.
