Difraction Rings
Posted: Mon Apr 05, 2021 5:19 am
Why does my 6"f6 GSO newt show a prominent 1st difraction ring,
while the Edmund 6"f8 reveals just a faint one?
Neither could see the 'f' star in the Trapezium.
while the Edmund 6"f8 reveals just a faint one?
Neither could see the 'f' star in the Trapezium.