Roger Ceragioli wrote:
>
> The first design gives 40" between the mirrors, which is a convenient length.
The primary mirror does not HAVE to be aspherized, but doing so will sharpen the
image. The design assumes a paraboloidal primary. The f/ratio is 11.4.
By not specifying the focal surface tilt of 1.2 degrees,
are you attempting to optimize it in a particular way?
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