Quote:
Originally Posted by Tristan
Maybe they accidently sold me one that let's more HA in then usual haha, I was quiet surprised when they came out of DSS.
Stretching of stars I think is due the rough polar align, and/or the mount not setting to a low enough latitude (stops about 29°)
I was at F/1.8
|
Running these lens wide open at F1.8 is not recommended for imaging as they do not usually display a flat field. For your next run try stopping it down to F4 or F5.