Hi Chaps,
If more mirror size equals more Horsepower, and more horsepower equals more fun, then how could a 4 inch refractor be superior to a 8 inch dob when it comes to planetry viewing. I am also in the market for a new scope and a refractor has the added benefit of being able to be used for terrestrial viewing. So far I'm keen on the Andrews 10 inch dob, the Bintel 8 inch dob and a AOE 4 inch refractor as they are all a similar price.
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