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I started out with a ETX125PE and I now have an 8"newt on an HEQ5pro mount (I also have a 12" light bridge). I should have went that route in the first place. For start, I paid less for my 8" and mount than I did for ETX125, and I bought all of them brand new.
My advise would be to get as far away from the ETX series as your pocket will allow. The optics are really good but the mechanics are a disgrace.
With the ETX I can see the tarantula nebula as a very fairt wispy cloud, I and have to use averted vision to make any detail out, but on the 8 I can stare right at it and make out the arms and lots more detail. With the orion neb you can see more of the dust and gas extending out of the nebula, through the 12" it's mind blowing. I'd love to see the orion through an 18/24" scope. The difference is very noticable. If you double the aparture of the ETX90 that would take you to an 8", and you'll be as happy as pig in #@$%.
Think big,
Sandy
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