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Dew is a pita. Normally dew forms easily on the finder, a bit later on the secondary and only on the primary if things a re really bad (at least on a solid tube newt). Eyepieces can also dew but I tend to change them regularly and keep them in a warm place when not in use.
Two solutions. Move to a very, very dry place or fight the dew. A hair drier can be used to clear dew and keep the optic warm enough to prevent dew. That is cheap but clunky. I think most people end up having to buy heater straps and a controller.
Last edited by AstralTraveller; 15-01-2025 at 04:11 PM.
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