SVBONY SV172 320 mm Dew Heater Strip for Telescopes & Cameras Dual Helical Focuser Sbustrate optical glass FWHM OIII

Sbustrate optical glass FWHM OIII 3nm Ha 3nm Blocking range 300-1000nm Blocking >OD4 Surface quality 60/40 Transmitted Wavefront RMS: λ/4 Parallelism 30seconds     Reference Spectrum

This invaluable feature ensures continuous operation

ensuring reliability throughout long events

The SX2WL mount simplifies the process of bringing desired celestial bodies into the telescope’s view

Where should I setup my photosphere filter

SVBONY SV172 320 mm Dew Heater Strip for Telescopes & Cameras Dual Helical Focuser Sbustrate optical glass FWHM OIIISVBONY SV172 320 mm Dew Heater Strip is designed to prevent dew and condensation forming on telescope optics and camera lenses during night time observing and imaging. It delivers gentle, consistent heat to keep optics clear in cold and humid conditions. Key Features Effective dew prevention Maintains optical surfaces above the dew point for clear, fog free viewing and imaging. 320 mm length for medium sized optics Ideal for telescope tubes, guide