Celestron Nexstar11GPS f/10 SCT, with a homemade binoviewer,
to be almost exclusively used for planetary observing. I'm
torn between getting a couple of 15mm OWL superwides, or
spending more for a pair of 18mm UO HD orthos. FOV is not an
issue. I've never looked through either. (I've only looked
through a 25mm UO abbe once before, through a sidewalk
astronomer's 8" Meade SCT - at Jupiter. Even under
Baltimore's light polluted skies, it was nice!
My only concern is the added magnification introduced by the
binoviewer adding path length may be a bit much for the 15.
I might have to actually go with the 20s. (My Radian 14mm
is about the limit of how high I can go most nights in
cyclops)
to be almost exclusively used for planetary observing. I'm
torn between getting a couple of 15mm OWL superwides, or
spending more for a pair of 18mm UO HD orthos. FOV is not an
issue. I've never looked through either. (I've only looked
through a 25mm UO abbe once before, through a sidewalk
astronomer's 8" Meade SCT - at Jupiter. Even under
Baltimore's light polluted skies, it was nice!
My only concern is the added magnification introduced by the
binoviewer adding path length may be a bit much for the 15.
I might have to actually go with the 20s. (My Radian 14mm
is about the limit of how high I can go most nights in
cyclops)
"Don't drop the banana!"
"Why not?"
"Good source of potassium!"