2.5x Powermate 1-1/4 Inch -
These Powermates™ are a better choice for 2” diagonals than Barlows, since they are nearly Parfocal. They are threaded for 48mm filters and their performance is excellent with every 1.25” and 2” eyepiece we make (yes, even the 31mm Nagler Type 5!). Both t
PMT-2513 - TeleVue -