If you are photographing with a camera in the primary focal point, you will regularly have to remove the secondary mirror from your Schmidt-Cassegrain telescope. After that, you often have to re-collimate. With Bob’s Knobs for the 11 inch with Fastar, this is faster because you are turning the large buttons with your fingers instead of using a screwdriver.
The set is intended for an 11-inch Schmidt-Cassegrain f/10 with Fastar and metric threaded mount. Check beforehand whether your telescope is compatible with Fastar and what thread it has. If you want to learn more about photographing with a telescope first, check out our astrophotography course.
Replace the screws one by one so that the mirror does not detach, and always turn a little at the time of adjustment. If you transport the tube often, a protective sleeve will protect the tube from damage. Upholstered transport bag for the C11 him on the way.
If your C11 does not have a Fastar, then check the 11 inch set with metric thread.
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