• This red dot sight comes with an adjustable small red LED dot is projected onto a non-magnifying viewing window so you can aim the main telescope quickly and easily
• Thumbwheels allow positioning of the red dot horizontally and vertically for precise telescope alignment
• The star pointer brightness of the red dot is adjustable to suit your preference;it is bright enough to use during the day or night
• Simple and effective red dot sighting device makes aiming your telescope;suitable for Celestron 80EQ 80DX 90DX SE SLT OMNI series astronomical telescopes and so on
• Includes bracket that fits the dovetail mounting base on many telescopes