安い望遠鏡DH95露ヒーター用10 Cheap heater, Buy Quality heater heater Directly from China Suppliers:Telescope DH95 Dew heaters FOR 10 Dew heaters are low wattage 12 Volt DC electrical heater strips that wrap around the objective lens of the telescope (as well as the finderscope and eyepieces, if desired). These warm the optics above the dew point to prevent the formation of dew. Unlike dew shields, dew heaters don't merely slow the formation of dew, they prevent its formation entirely. Купить товар Телескоп DH95 росы обогреватели для 10 Heated dew caps that run off batteries have been advertised and reviewed in Sky & Telescope. (An elaborate example is the Kendrick Dew Remover System ; May 1994 issue, page 52. Dew heater straps on my main imaging telescope and guide scope. I now use a Pegasus Astro Pocket Powerbox to control my dew heater bands. This astrophotography device includes 2 “RCA-type” ports to power dew heaters on my primary imaging telescope and autoguiding telescope. The most practical aspect of this configuration is the fact that my cables are managed much more neatly, without fear of a cable snag.
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