If the focusing does not work on a Maksutov or Schmidt-Cassegrain

Product Description
If focusing on a Maksutov or Schmidt-Cassegrain telescope doesn't work, or if the focus knob turns "roughly," it's usually due to a loose focus knob. This can be tightened with one or two screws.
http://www.teleskop-spezialisten.de/shop/Dienstleistung-Service:::10.html

 

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0,00 EUR

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