https://www.bintel.com.au/product/or...ide-eyepieces/
20mm Eye relief and 30mm lens diameter for the Orions.
Wavytone, have you noticed any CA in the outer 10% or so of those Vixens? I did read one review that mentioned this, keen to hear of users views on them as this is one of the brands I am closely looking at.
Cheers,
Mark