Questar 16mm Cordless Reticle, for Use In Questar Starguide Only

This Questar #19151 16mm illuminated crosshair reticle eyepiece has a self-contained battery-powered variable intensity LED for guided long-exposure imaging with a Questar telescope equipped with a Powerguide and Questar tracking accessories ...

This Questar #19151 16mm illuminated crosshair reticle eyepiece is used for guiding long-exposure deep space photographs with a Questar 3.5" or 7" telescope. It is designed to be used with the Questar Starguide off-axis guider in conjunction with a scope equipped with a Powerguide drive corrector and electric declination motor.

This Questar eyepiece includes a self-contained battery-powered variable intensity LED illuminator and is dual-threaded to provide both reticle focus and crosshair swiveling capabilities (to line up the crosshairs with the scope's direction of motion).