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The CosmicOne SCT Cooler - or "Cat Cooler" - is a device for ventilating the inside of SCTs, Maks, and other catadioptric telescopes so that they may be brought quickly to ambient temperature.  This allows image-ruining tube currents and heat pillars to be minimized in 10-20 minutes instead of the usual 45 minutes to 2 hours.  The greater the temperature difference between the place your telescope is stored and the outside evening air, the more quality viewing time you can reclaim with a CosmicOne SCT Cooler.  The SCT Cooler has a filtered air intake

and other design features which minimize the possibility of dust infiltration and direct the air flow away from the internal optical surfaces.  SCT Coolers are available exclusively from Lymax!