ATT Volume 16 Issue 5

In this issue Curtis Macchioni takes a deep dive into LiFePO4 batteries and their functionality for astronomy power needs; Paul Temple shows that the 6″ TPO RC offers an excellent design that he is looking forward to many years of quality imaging; Mark Zaslove test the APM 82-MM 90-Degree ED-APO binoculars; Dr. James Dires shows how the William Optics Zenithstar 61 offers exquisite grab-and-go goodness; plus industry news, new products and more.