I have a Svbony dew heater that runs off USB power and are cheap and cheerful. The 12v powered ones are not needed.Excellent! Thanks. Do you have a recommendation for a dew heater that you used and like?
https://www.amazon.com/s?k=svbony dew heater&ref=glow_cls&refresh=1
https://www.space.com/lens-heaters-the-best-for-astrophotography
MSM also makes astro trackers. Haida mostly known for lens filters. Neewer known for everything from flash/strobes to tripods.
For complicated deep space setups then Kendrick is probably the gold standard https://www.kendrickastro.com/dew_premierheaters.html
For a better understanding of those setups, see https://astrobackyard.com/dew-heaters-astrophotography/
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