Description:

Product Description

AR Protective Window

ZWO D21 AR protect window

Technical Parameter:

Diameter: 21mm

Type: AR window

Thickness: 1.1mm

Flatness: 1/4

Protect the sensor from dust and humidity.

Match Model

The cameras that come with the D21*1.1mm AR protective window as listed below :

ASI120MM-S, ASI224MC, ASI385MC, ASI290MC/MM, ASI290MINI, ASI178MM, ASI462MC, ASI120MINI.

ZWO D25 AR protect window

Technical Parameter:

Diameter: 25mm

Type: AR window

Thickness: 1.1mm

Flatness: 1/4

Match Model

ASI174 series.