TEC 140: Of all the instruments used over a four-decade period, for me, the TEC 140 reigns supreme. It's the contrast king, smoothest optic I've owned, and ready to observe when you are.
— jrbarnett
TEC 140: The TEC 140 is a premium quality instrument. The image it produces is high in contrast and very sharp. Color correction is well executed.
— skastro.net
TEC 140: The TEC 140 is truly one heck of a nice scope.
— Jethro7
TEC 160FL: The TEC 160FL is clearly well-suited to doubles and triples. The build quality is excellent—very close to my Astro-Physics. The 3.5-inch Feather Touch focuser is brilliant.
— GavStar
TEC 180FL: In short, an amazing telescope. It is jaw-dropping, not to be matched by anything else when binoviewer cruising through the summer Milky Way.
— blandp11
TEC 140: The TEC 140 is the finest optic I have owned. It has provided the best view of Jupiter I have seen.
— Richard Beasley