Dr. Erhard Hänssgen's 42 inch Dobsonian Telescope
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Construction of the 42 inch Telescope

Some pictures of the construction of Dr. Erhard Hänssgen's 42 inch (107 cm) Dobsonian telescope, currently the largest portable amateur telescope in the world. You can click on any picture to see full-scale versions. All pictures are courtesy Dr. Erhard Hänssgen.
Find more information about this telescope in the Portrait of a giant telescope in Germany.