Unitron Polarex Telescopes | Polarex Unitron 4inch Refractor 4inch ATO with very rare 75mm guide scope and Astro Physics rings, on an amazing equatorial mount and wooden tripod, ... | Facebook
Unitron Telescope Model #150 - "Ad / Data Sheets - Set of (8) + 220 Astro Camera | eBay
Unitron Telescope Model #150 - "Ad / Data Sheets - Set of (8) + 220 Astro Camera | eBay
Used 75mm Unitron f16 Refractor with finder accessories, Alt-Az Mount and case
Unitron/Polarex Model 114 60mm Review
Company Seven | Unitron Model 142 - 3 inch (75mm) Achromatic Telescope & History
UNITRON Model 142 3" Refractor Telescope From 1966 - Excellent! | #1791134494