ZWO 850nm IR PASS 1.25" guiding 2x - M4 x 10

2x - M4 x 10 stainless steel countersunk screws

double stars

For telescopes with long focal lengths

The ZWO PRO cameras incorporates a 256MB DDR3 memory buffer that improves data transfer reliability and it minimizes the amp-glow caused by slow data transfer speeds

Weight is approximately 1

ZWO 850nm IR PASS 1.25" guiding 2x - M4 x 10The ZWO 1. 25 850nm IR pass filter is a must have accessory for high resolution planetary astrophotography. It enhances the details on the surfaces of the planets, allowing to get more details especially for Mars, Jupiter, Saturn and Uranus. This filter can be used on colour cameras such as the ASI462MM or ASI678MC as they are sensitive to IR light. This picture of the blood vessels in the hand has been taken with the ASI290MM+ 850nm IR filter + 2.