Telescope Fan 1
My 7th DIY project is the fan for the OTA, I read as well as cooling the mirror quicker ( not an issue for me as I take forever to get set up) it can keep Dew away just by moving ambient temp air around the mirror. The 3mm circle Perspex was bought on eBay cut to size for a few quid, easier than trying to cut out a circle.
Photo Information
- Taken with samsung SM-G998B
- Focal Length 6.7 mm
- Exposure Time 1/50
- f Aperture f/1.8
- ISO Speed 160
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