So around 2008 I purchased these Binoviewers from Burgess without eyepieces. They have sat in my eyepiece case a long time and figured I'd find a pair of lenses or decide on a second for my current collection, but never did, Until this past week, decided I'd just try a cheaper pair just to try things out. I picked up the svbony 20mm gold bands after reading others enjoy them in binos. I received them and checked each eyepiece alone and they appear alright.
So I tried it out on the moon with the Bino and I cannot get an image to merge for my eyes. I look with the same eye through each eyepiece and they appear Identical to me. But some strange reason my eyes refuse to merge the two as I play with the Bino's eye width.
I searched on here and found posts about this style I have, and read that the three screws are used for adjusting to help merge eyepiece images, I've found this to not be the case for mine, first the right eyepiece holder is snug compared to the left, even swapping the eyepieces around. Still even removing all the screws and messing around with any play in the eyepieces I see no benefit or change to the image.
The only way I can get the image to merge is putting pressure on the eyepiece holders, pressing them outward, this will merge the image.
Is it just my eyes? Is this common with these older models? Is there other collimation methods I have not been able to find?
Appreciate any advise!