I splashed out for a pair for BV'ing. Haven't really had a chance to use them at night as conditions have been awful. But in testing on terrestrial targets in the way distance, have been able to merge them at 3mm (in a pair of APM BT70s) without any problems. Very pleased with that, although I want to test that on the moon for sharpness and edge of field.
Each sits slightly differently, so you do have to tweak things a bit. I may mark one as L & the other as R in the long run.
They're not parfocal across the settings (most adjustment needed at the 3mm setting).
And while I haven't had a chance to do a SBS comparison with a Nagler 3-6mm yet, they looked pretty pleasing. Their FOV is also in between the Nag zoom and the Delites, and with the 3-8mm range, they could work very well for me across a range of uses (my shortest fl Delites are 9mm) if they pass muster on the SBS.
