The celestron astromaster accessory kit may also be used with many other telescope brands that accept 125 eyepieces and filters and has been designed to increase the pleasure of using your celestron telescope fully coated eyepieces for higher magnification 2x power lens will double the magnification of any eyepiece used with it 2x power lens features t threads to attach a camera to your telescope with optional t ring planetary filters enhance details on jupiter saturn mars and venus