SolarMax II 90mm - front ERF???

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SolarMax II 90mm - front ERF???

Post by Merlin66 » Sun Feb 17, 2013 4:57 am

There's one of these for sale in Oz....
The photos I saw of the scope, to me, only showed a typical AR coated front objective...
I've just looked at Stephen's review of the SolarMaxII 90 and even in his photos I get the same impression.
Can anyone confirm the type of ERF coating on this scope???
"Astronomical Spectroscopy - The Final Frontier" - to boldly go where few amateurs have gone before ... scopy/info
"Astronomical Spectroscopy for Amateurs" and
"Imaging Sunlight - using a digital spectroheliograph" - Springer

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