The Player One IR685 nm 1.25″ IR-Pass Filter (S-Series) permits wavelengths above 685 nm to pass, improving atmospheric seeing and detail on lunar and planetary targets. Excellent for imaging under turbulent skies.

Key Features

• Long-pass cutoff at 685 nm
• Enhances contrast and detail by filtering shorter wavelengths
• M28.5x0.6 thread; 7.5 mm slim frame