This thread looks like a good old Agony Aunt one! Cool, here's mine...
I don't spend big money on my gear. I don't need to. But I do try to do as much research on a product before I lay my money down. But even then I do get bitten. Like a laser collimator that doesn't fulfil its job description. It's fit in a 1.25" focuser is sloppier in one particular axis than any other 1.25" barrel eyepiece I have. So sloppy that it can't be used at all as a collimator as it doesn't hold true in the focuser.
Dozens of these are flogged of during the year. But they are all useless. All of them.
I can't even bring myself to sell it on because I know it is rubbish, and value my relationship with fellow amateurs, unlike some manufacturers. Such a shame.
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