The 6.7mm is not bad. It just has a short eye relief.Mike Q wrote: Thu Oct 19, 2023 8:16 pm I was wondering about a couple of their eyepieces. Seems like they have a 4.5 and a 6.7 82 degree eyepieces. Anyone have experience with them in a F4.4 dob? Just curious as to how they do
The 4.5mm is pretty bad, with serious chromatic aberration and other problems.
In that range, where ES is concerned, look for the older 4.7mm, which was far better.