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Sun filter!?!?!?!?!?! Not good.
Is that $699 australian?
It looks like a very short tube - what's the stated focal ratio of the mirror? Works out at like f/3.5 or f/4 at the most?? Very fast! Very bad on eyepieces, very difficult for collimation.
The mount is also hardly heavy duty - it will probably be quite wobbly.
Without seeing it in the flesh it's hard to say really, but I would think the 8" dob is much better value for money, and at f/5, much easier to use.
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