Lens heaters: Why you need one for astrophotography

Astrophotography usually includes taking your gear out into the chilly and leaving it there, which may expose it to various issues. The primary is foxes stealing your digital camera and having enjoyable with it, however a extra widespread and major problem is condensation. Your digital camera and lens will be cooler than the encircling air, which makes water condense onto its floor. Get sufficient of that, and as your lens is tilted skyward, gravity causes little trickles of water to run straight towards your digital camera physique or the target finish of the lens to fog it up. Neither one among these situations is sweet.

Cameras and water simply don’t combine, regardless of the advances made in rubber gaskets and different seals to maintain wetness out of delicate areas. There are, fortunately, a couple of issues you are able to do about this. Simply as telescope-adjacent astronomers use heaters to maintain the condensation off their costly tubes, so astrophotographers can defend their glass and digital camera our bodies with the identical factor, stopping the build-up of dew and condensation by gently heating the physique of the lens. | Lens heaters: Why you want one for astrophotography


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