You'll want to make sure both the mirror back and the stalk are totally clean surfaces ready to accept a double sided tape. Or VHB tape (pretty sure these are the same product): To secure a new one, you can use some 3M double sided extreme mounting tape: This is intentional, and when you replace it, you'll want to replicate this offset. You'll likely find that it's offset on the stalk by a bit ( like in this image. Before you remove the mirror from the stalk, take some pictures or even measurements for its alignment. It's either cemented on or has heavy duty double-sided tape. You'll have to find a way to separate it from the stalk. You can buy a GSO replacement from Agena: Orion lists the StarBlast 6 as having a 50mm minor axis secondary mirror: The central bolt is taking the load of all three collimation screws pushing against it and so it's generally hard to turn on its own. It will be easier to loosen one of the collimation screws and then the other two before the central bolt. r/telescopes aims to be a high quality sub where users can discuss all things telescopes and astronomy, but allowing such repetitive and low-effort posts will drastically lower the overall quality of the sub. Low-effort content such as those complaining about the weather (we get it, clouds are bad), simple questions that usually result in one line responses (these should be posted in our weekly discussion threads instead), general 'shitposting', memes, etc. Titles should be descriptive about what you're discussing/posting. Titles should not be 'clickbaity' nor self-deprecating - we're all here to learn so there is no point in calling yourself a 'noob' and/or putting yourself down. Concept art is not permitted, nor is content not relating to visual astronomy/telescopes.
#3m double sided tape automotive images professional
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