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Old 19-06-2015, 08:49 AM
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Eden (Brett)
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Eden is offline
Join Date: Jan 2014
Location: Melbourne, Australia
Posts: 399
The 460mm f/0.89 Refractor

Powered by Canon "EF" series lenses and off-the-shelf components which some will no doubt recognize, this is an an interesting and novel approach to increasing aperture.

If you don't feel like watching the whole presentation, skip ahead to 32:00 for the eyecandy.

Dragonfly 460mm f/0.89 refracting telescope
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Last edited by Eden; 19-06-2015 at 08:57 AM. Reason: Added an image of the telescope for those who can't be bothered faffing around with YouTube.
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