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Long focal length APO telescope from Altair released


Thursday, June 13, 2024 by

The Altair 101 ED APO has a new long focal length ED doublet objective design with complete freedom from color aberrations. This is a telescope with premium optics for serious visual astronomy at a good price. it is very well suited for visual observation where sharpness and contrast are important. A long focal length refractor is easy to foc...