[Author Prev][Author Next][Thread Prev][Thread Next][Author Index][Thread Index]
Re: [ATM] Star Test Interpretation
> noted that the intrafocal star image was very soft and 'wooly', unlike the
> extrafocal image which was fine. The scope has a pretty snappy focus.
> There is no visible astigmatism. On the night I did this testing, there
You're a little overcorrected, or, the air was warming slightly, making the
mirror appear overcorrected.
Mel Bartels
_______________________________________________
ATM mailing list http://www.atmlist.net/