Quote:
Originally Posted by brian nordstrom
I have noticed the ' coffee tone ' in my 8mm Radian , but that dissapares soon after using it , then its real strengths come into play , great eyepiece . The coffee tone does not worry me at all , and I have compared my 8mm Radian with my , 9mm Orthoscopic , 9 and 10mm Vixen Lanthium's and my Baader 9mm ' real' ortho , and they all have their strenght's . and I love them all .
On the Nagler coffee tone , I have not seen it in mine , I will look for it now , but it must be very slight . .
Brian .
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Apparently you can tell (so I've read) if you compare it with a neutral tone ep and the warmer tone of a Nagler on the moon.
The warm colour of the Nagler (so I've read) is great for planetary observing as on Jupiter's belts- so there is a plus.