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Had a customer come in with one of these and "couldn't see anything". Put a laser collimator in and it was nowhere near collimation. Oh, simple enough to fix, right? Turns out that there aren't even any collimating screws on the primary!
I mean, $50 for the pretty Nat Geo dob at Aldi is a bargain, practically below cost, but don't expect to get much out of it beyond entertaining a kid for an evening.
The 5" Heritage Dob is probably the next best thing up, and the minimum I would go. I'm hesitant to bring in the 76mm dobs because of their quality, but not much you can do if someone wants to spend only $50...
Just cross your fingers that it won't get knocked out of collimation right out of the box. With a good eyepiece you should be able to do some lunar observing just fine.
(Our customer ended up spending more on an eyepiece and he seemed happy.)
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