I bought this eyepiece from optcorp, it is a premium quality eyepiece, price is $ 210, it is 5 elemente desing, it has 5.8 mm of eye relief and has excelent contrast ( excelente multicoatings ), you do not see any internal reflections ( blackened field stops 9 ), no chromatic aberrations, it has a 42 AFOV but it is not a problem if you ar looking for planets with a robotic mount and it is very sharp, the only problem is that you may need an 400-500 mm focal length telescope for have a bright view, my telescope is 80 mm fluorite doublet with a 6.9 focal ratio, so it delivers a 196 X image that is a little bit dim, so a 60 or 66 mm aperture telescope with a focal length of 400 mm may deliver a better view with this eyepiece.

Pros

Very good eyerelief
Excellent contrast
Very sharp
very good fit and finish

Cons

High price.

Rating

10/10