ZWO D21 Protective Dust Window with IR-Cut
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The ZWO D21 IR-Cut Protection Window works with the ASI120MC, ASI120MC-S and ASI178MC astronomy cameras to protect the sensor from dust and humidity. Transmission is >90% at visible wavelengths from 400nm to 675nm approximately. The window also removes IR light that may not come to a tight focus, especially when imaging with refractors, to help you get sharper images and pinpoint stars.
Specifications:
- Diameter: 21mm
- Type: UV IR-cut window
- Thickness: 1.1mm
- Flatness: 1/4 λ
- Matches Models: ASI120 series, ASI120-S series, ASI178 series, ASI185MC, ASI224MC series, ASI290 series, and ASI385 series astronomy cameras
| Free Shipping Graphic | Free US Shipping |
|---|---|
| Hide Found a better Shipped Price on Frontend? | No |
The ZWO D21 IR-Cut Protection Window works with the ASI120MC, ASI120MC-S and ASI178MC astronomy cameras to protect the sensor from dust and humidity. Transmission is >90% at visible wavelengths from 400nm to 675nm approximately. The window also removes IR light that may not come to a tight focus, especially when imaging with refractors, to help you get sharper images and pinpoint stars.
Specifications:
- Diameter: 21mm
- Type: UV IR-cut window
- Thickness: 1.1mm
- Flatness: 1/4 λ
- Matches Models: ASI120 series, ASI120-S series, ASI178 series, ASI185MC, ASI224MC series, ASI290 series, and ASI385 series astronomy cameras
| Free Shipping Graphic | Free US Shipping |
|---|---|
| Hide Found a better Shipped Price on Frontend? | No |
ZWO D21 Protective Dust Window with IR-Cut # ZWO-D21IR-CUT1