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This new scope really had me thinking about the limits of refractors for us hobbyists. To increase in size again, above the 1200mm FL and large tube diameter for the 150mm scope, as well as the increasing difficulty in making quality lens for large sizes suggests some limits, or at least some rapidly shrinking diminishing returns on the money spent.
Pity, because I used the now defunct, Oddie telescope at Mt Strombo once, loved the experience and I still desire to have a really large refractor. However, at the larger sizes, other designs are more affordable, and even arguably better. So, I suspect, this is possibly as large as a reasonable quality, mass produced (and affordable to the most people) refractor will go.
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