Bernard,
Welcome
Both Bintel and Andrews are genuine GSO ( Guan Shen Optical ) resellers
Bintel rebadge the GSO product with their name plus offer various packages like some eye pieces , filters and the like. They know the GSO product very well
Both scopes in regard to the OTA would be optically the same , my recommendation would be to run with Bintel based on personal experiences
I’ve only ever had great support and advice from Bintel so my choice of supplier is not purely based on price ( Don and John are a great help along with the other younger staff there )
I’ve had no experience with Andrews. Their website is in badly need of a redesign, it’s horrible to navigate as most people would agree and I suspect they would not have the high level of experienced sales and technical personnel like Bintel
The 8” GSO / Bintel dob is a great scope. I had the Bintel 10” for a few years until I got tired of Star hopping manually through the night waisting precious clear sky time trying to find objects , so I went Goto with a Skywatcher 12” Goto dob. Absolutely brilliant scope and so easy to find objects
If you can stretch the budget , don’t discount a Skywatcher 8” Goto dob
And yes, Astronomy products no matter who you deal with have supply issues due the current economic situation and pandemic. Hopefully availability of stock will improve in 2022
Cheers
Martin
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