Telrad Reticle Pulser - 2010 counterweights the more this effect will

the more this effect will be apparent in the Celestron Stereo Telescope Binocular Viewer

Includes a 25 foot extension cord

4"-11" telescopes will especially appreciate the high efficiency

On Board Battery: 800mAh Lithium Ion Battery - 2 Hours continuous use

Telrad Reticle Pulser - 2010 counterweights the more this effect willTelrad Pulser Pulses Telrad reticle on off Pulsing rate is adjustable by user User Installed Add on feature for existing Telrad Some installation required for use This Telrad Pulser (Add on) is an LED pulser device for your existing Telrad Finderscope. This electronic device when switched on "pulses" the circles (on and off) viewed in the Telrad so you can more easily see the night sky through your Telrad finder. Makes it more comfortable to point to