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Old 19-06-2015, 09:29 AM
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Eden (Brett)
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Join Date: Jan 2014
Location: Melbourne, Australia
Posts: 399
In case anybody is wondering why they went with the Canon EF lens (it looks like either the 800mm or 1200mm EF) in the design of this instrument, the decision was based on the specific optical coatings which are used on these lenses.

The end result was a telescope with 10x less photon scatter than the Burrell-Schmidt telescope at Case Western University, making it ideal for capturing extended galactic regions with ultra-low surface brightness.
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