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Astronomy
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Focusers
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Optical length
Optical length
The optically effective length of the component.
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Manufacturer
Omegon
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Categories:
Astronomy
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Telescope accessories
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Focusers
Optical length:
20
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Omegon
20mm extension for 2" Crayford-focuser
$ 19.90
ready for shipping in
24 h
