|
Are you sure it's a 1.25" focuser? The GSO's come with 2" focusers with a 1.25" adapter.
I'd get the 2" barlow, because it also comes with a 1.25" adapter, so you can use any and all eyepieces with it.
If you want a bit better quality, get the Orion Shorty Plus 2x barlow, around $140.
|