The TPO UltraWide 180 f/4.5 is a very compact, lightweight telephoto lens. With a 180mm focal length, it is ideal for deep-sky imaging. At just 13.9 ounces (approximately 395 grams), this telescope is a breeze to carry around and perfect for traveling. You can even slip it into your luggage bag to take with you on flights.
This versatile optic has two pieces of ED glass and an air-spaced APO design for excellent chromatic aberration correction. The f/4.5 reducer offers excellent contrast and clarity and a crisp image, and the lens is compatible with a full-frame DSLR.