ZWO Protective Dust Window with IR-Cut (21mm/25mm/60mm)

ZWO Protective Dust Window with IR-Cut (21mm/25mm/60mm)The ZWO IR Cut Protection Windows work with ZWO 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 Model: ZWO D21IR CUT ZWO D25IR CUT ZWO D60IR CUT Diameter: 21mm 25mm 60mm Type: UV IR

Capable of carrying Celestron’s largest optical tubes with ease

and then move up or down over the eyepiece until you have the entire field of view in your shot

Blocking range: 300-1000nm

Low Readout Noise

Forget about batteries or an external power supply

7A 100-240V ~ 50/60Hz

For an improved and simplified connection

No need for an intervelometer timer with the AZ-GTi

The black interior also reduces the internal light reflections

2mm Resolution 11

25” focuser or adapter

with the minimum eye distance not less than 56mm