A TeleVue 7 mm Nagler used in a FS-128 has a exit pupil of .861 and a 3.5 Nagler has an exit pupil of .430. Question: If you used the 7 MM Nagler with a 2X barlow, is the exit pupil .430 as if you were using the 3.5 Nagler?
Thanks,
Barry
Thanks,
Barry