Celestron Lunar and Planetary Filter Set 1.25'' 20320 The aperture is off center

The aperture is off center and made of a high quality

Using a built-in intervelometer timer

The secret of good planetary images

PowerTank Lithium Pro is smaller

Celestron Lunar and Planetary Filter Set 1.25'' 20320 The aperture is off centerCelestron Moon Filter Set 1. 25" Colored filters can be used to bring out details on a planets surface or its cloud structure. All of the planetary filters included in the Celestron Lunar and Planetary Filter Set can be used on any 1. 25 eyepiece with the proper filter threads, so they are very versatile. Just screw one onto the eyepiece of choice and slide it into the focuser. This Celestron filter set includes the following colors: 12 Deep Yellow A