Product Description

AR Protective Window

ZWO D21 AR protect window

Technical Parameter:

Diameter: 21mm

Type: AR window

Thickness: 1.1mm

Flatness: 1/4 λ

Protect the sensor from dust and humidity.

Match Model：

The cameras that come with the D21*1.1mm AR protictive window as list as below :

ASI120MM-S, ASI224MC, ASI385MC, ASI290MC/MM, ASI290MINI, ASI178MM, ASI120MINI.

ZWO D25 AR protect window

Technical Parameter:

Diameter: 25mm

Type: AR window

Thickness: 1.1mm

Flatness: 1/4 λ

Match Model：

ASI174 series.

Protect the sensor from dust and humidity.

ZWO D32 AR protect window

Technical Parameter:

Diameter: 32mm

Type: AR window

Thickness: 2mm

Flatness: 1/4 λ

Match Model：

ASI1600 series, ASI294 series, ASI183 series.

UV IR-CUT Protective Window

ZWO D21 UV IR-CUT protect window

Technical Parameter:

Diameter: 21mm

Type: UV IR-cut window

Thickness: 1.1mm

Flatness: 1/4 λ

Match Model：

ASI120 series, ASI120-S series, ASI178 series, ASI290 series, ASI224MC series, ASI385 series, ASI185MC series.

Protect the sensor from dust and humidity.

The cameras that come with the D21*1.1mm IR protictive window as list as below :

ASI120MC-S, ASI178MC.

ZWO D25 UV IR-CUT protect window

Technical Parameter:

Diameter: 25mm

Type: UV IR-cut window

Thickness: 1.1mm

Flatness: 1/4 λ

Match Model：

It is used for ASI174MM ASI174MC ASI174MM-COOL ASI174MC-COOL to protect the sensor from dust and humidity.