Quote:
Originally Posted by Atmos
If the front lens on the Mak works as a lens you don't need a 127mm primary mirror as long as the front aperture is 127mm diameter.
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Indeed corrector is 127mm..
Those light rays diverge past the secondary baffle in these due to that thick meniscus , and dont cause the obstruction you would think in these Maksutovs.
Usually the primary should be at least the size of Corrector ..but this is a moot point, as optics in these are really superb.
bigjoe