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5mm focal length can produce high magnifications that are great for observing objects like the Moon
Eye Relief 31mm
Experience the night sky in vivid detail and learn to navigate it like a pro with the National Geographic NT114CF Telescope + Tirion Planisphere Bundle
178 seconds on a 60 mm
Eyepiece not included
Star Mentor: Hands-On Projects and Lessons in Observational Astronomy for Beginners - Paperback Style:Signed by Daniel E. Barth 5mm focal length can produceThis is a hands on guide for both the budding astronomer in need of a mentor and the seasoned observer who wants to learn how to effectively share their knowledge with newcomers. Through decades of teaching observational astronomy at the high school and college level, Dr. Daniel E. Barth has inspired thousands of beginners, and in this book he shares the many ways that you can learn and teach others, too. The chapters contain a plethora of practical
