Televue Paracorr?

Dave,

I'll bring the Paracorr and a 31mm Nagler 5 to CSP.

Eamonn A

Eamonn,
thats great, lets hope we get a clear night or 2 there.

I'll be interested in having a look, having now upgraded from a 12" to a 16" Lightbridge.
I'm thinking of getting a 40mm eyepiece, as currently my biggest 2" is a 27mm Panoptic, and at F4.5 I'd be expecting some coma with a 40mm.

I'll be interested in having a look, having now upgraded from a 12" to a 16" Lightbridge.
I'm thinking of getting a 40mm eyepiece, as currently my biggest 2" is a 27mm Panoptic, and at F4.5 I'd be expecting some coma with a 40mm.

Just be careful on the exit pupil width with a 40mm and a f/4.5 scope.
The diameter of the light cylinder exiting the eyepiece will be nearly 9mm, which is alot wider than most dark adapted eyes can go. Whilst you'll have a lower magnification and a wider field of view, you will be depriving yourself of large chunks of your mirror. For more: www.bpastro.org/numbers.htm

Thanks for that, Mike.
I was asking Dave Grennan about the MPCC the other night.
I'd a look on the website...seems fiddly compared to a Paracorr...but that price. Oof!