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Sky Watcher 8 Inch Dobsonian Telescope Review

23 Feb 2019, 11:59 UTC
Sky Watcher 8 Inch Dobsonian Telescope Review
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Sky-Watcher’s 8” Traditional is my favorite 8” Dobsonian to recommend to those on a budget. Why, you might ask? It’s simple, offers the lowest price of all of the commercially-available 8” Dobsonians, and gives you good bang for your buck. Let’s go into what makes this scope so great, as well as a few of my criticisms.

Reviewing The Optical Tube

The 8” Traditional is an 8” f/5.9 Newtonian, manufactured by Suzhou Synta Optical Technologies – the same company that owns Celestron and manufacturers Orion’s XT and XX Dobsonians. The mirrors are borosilicate glass (Pyrex) which expands far less with expansion and contraction than plate glass. Quality-wise they tend to be goodAt f/5.9 there isn’t any coma like there is with faster scopes such as Sky-Watcher’s 10” and larger models, which have to have faster focal ratios to avoid being cumbersome and (at the largest sizes) requiring a tall ladder.The 8” Traditional’s tube is identical in length to Sky-Watcher and other manufacturers’ 6” f/8 Dobsonians, and as a result it ...

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