I had a set of the Orion branded type , pretty good all round eyepieces that I used and enjoyed for years , but
The TV bug bit and I sold them all , but all in all a good eyepiece as the 20mm eye relief makes them easy for newbys to look thru .
Personally they are amongst the easiest design to use , very like the Vixen LV's and LVW's at 1/2 the price .
Brian.