IR685nm 1.25 inch IR-Pass Filter S-series

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
• M28.5×0.6 thread; 7.5 mm slim frame

Why Choose This Product?

• Reduces seeing effects:
  IR imaging helps cut through atmospheric distortion.
• Lunar and planetary clarity:
  Sharper detail with less chromatic smear.
• Great for mono cameras:
  IR sensitivity enhances grayscale imagery.
• High quality design:
  Durable coatings and precision substrate.