[Spartan1 (Philip)]

Lumicon guiding Kellner illuminating 12.5mm eyepiece with variable brightness and light-pulse frequency to illuminate the double crosshairs intermittently, enabling easier guiding on stars that maybe hidden by constant illumination of the crosshairs.

Vintage, made in Japan, new battery installed, fully working.

Reduced to $80 pick-up Mandurah - plus $12 posted interstate

(see my other ad for a Meade OAG)