Extension Ring Set M48x0.75 - 5 pieces (30, 20, 15, 10 and 5 mm) Accessory Type_Tripod With a 150mm aperture and

With a 150mm aperture and 750mm focal length

Unlock the secrets of the microscopic world with the National Geographic 40x-1600x Microscope — a powerful

Convenient stand keeps experiment notes close at hand

The L-eNhance filter uses a precision coating based on ion deposition coating technology

and locks down with thumbscrews

Extension Ring Set M48x0.75 - 5 pieces (30, 20, 15, 10 and 5 mm) Accessory Type_Tripod With a 150mm aperture andThis set includes five extension tubes with lengths of 30, 20, 15, 10, and 5 mm, each featuring an M48x0. 75 mm thread connection, also known as the large T2 photo thread or 2 inch filter thread. These tubes are designed to help adjust the distance between your camera and the telescopes focal plane or accessories like correctors and field flatteners. With both internal and external M48x0. 75 threads, they are compatible with camera specific bayonet