Adjusting screws for 9.25 inch SCT f/10 viewfinder, metric, stainless steel | Bob’s Knobs

49,90

Stainless steel adjusting knobs for the viewfinder of a 9.25 inch SCT f/10 with metric thread, by Bob’s Knobs.

Not sure if this works with your telescope? We are stargazers ourselves and happy to help.

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Anyone using a 9.25-inch Schmidt-Cassegrain for the planets will quickly notice that a slight deviation in collimation makes the image softer. With these adjustment screws for a 9.25-inch SCT f/10 from Bob’s Knobs, you adjust the secondary mirror manually. The original small screws are replaced by screws with a large knob.

This version is made of stainless steel and has metric threaded screws. Do you have a 9.25 inch like the one shown in the picture? NexStar Evolution 9.25 inch, First, check what thread your telescope has.

Replace the screws one by one so that the mirror does not detach, and then check the collimation on a star. In the dark, you can more easily feel which button you are pressing. You can read more about adjusting in our guide on adjusting the telescope.

There is also a Execution of oxidized steel, and for standard wire a 9.25 inch set with standard wire.