- TEMP-est TEMPerature Equilibration System for Telescopes - For Edge HD and Vented Standard Celestron SCTsDSP-TEMPEST-EDGEHD $165.00TEMP-est TEMPerature Equilibration System for Telescopes - For CPC Deluxe HDDSP-TEMPEST-CPCHD $225.00TEMP-est TEMPerature Equilibration System for Telescopes - For Retrofitted TelescopesDSP-TEMPEST-RETRO $100.00Pegasus Astro Flatmaster 150 - Dimmable Flat Field Illumination Panel (up to 5" size)PEG-FLTMSTR150 $202.56