Dark Clear Skies 1.25″ UHC Filter petzval astro lens 25″ Adaptor for compatibility with

25″ Adaptor for compatibility with standard eyepieces

but Ethernet is extremely useful for permanent setups or situations where wireless performance is limited

M57 Ring Nebula

9 FPL53 Doublet air-spaced APO

Thanks to the innovative design protected by international patent application and Italian utility model

Dark Clear Skies 1.25″ UHC Filter petzval astro lens 25″ Adaptor for compatibility withThe Dark Clear Skies 1. 25 UHC (Ultra High Contrast) Filter is designed to enhance the visibility of emission nebulae by selectively transmitting key nebular wavelengths while suppressing background skyglow and common sources of light pollution. Purpose & Use UHC filters are widely used in astronomy to improve contrast between emission nebulae and the surrounding sky. By reducing unwanted wavelengths from artificial lighting and natural skyglow, this