Quote:
Originally Posted by Ukastronomer
I did consider an oil spaced triplet but all advice was not when imaging the Sun
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That’s interesting, since both Roland and Yuri have said it was perfectly fine to use their oil-spaced telescopes with a Herschel wedge.
I have also read that 80mm CFF (oil-spaced) was designed as a portable high quality scope for capturing images during total solar eclipses.
Might be best contacting the manufacturer (CFF) to confirm that.