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Originally Posted by Vegeta
... the Orion edge-on planetary series
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AFAICS, the Orion 'Edge On' series is the same as Teleskop-Service 'Edge On' and BST 'Flat Field'. I'm interested in their performance, too.
Quote:
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Originally Posted by dannat
bst explorer is a rebadged astro tech paradigm
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That's also my understanding. The Explorers are also (AFAIK) branded BST 'Starguider', Teleskop-Service 'Dual ED' and Olivion 'ED'