ZWO D21 IR-Cut Window

The ZWO D21 IR-Cut protection window is suitable for the ASI120 series, ASI120-S series, ASI178 series, ASI290 series, ASI224MC series, ASI385 series, ASI185MC series cameras to protect the sensor from dust and humidity.

IR-Cut D21 Window Specifications

• Diameter: 21 mm

• Type: UV IR-Cut Window 

• Thickness: 1.1 mm

• Flatness: 1/4 λ