Owing homage to one of TEC’s earliest designs, the APO140ED, the APO140FL F/7debuted in 2017 and has quickly become TEC’s most popular model. The APO140FL F/7 features an oil …

3 天之前 · Test TEC 140 ED (DPAC) - posted in Refractors : After a long time I pulled the TEC 140ED (year 2011) out of storage to compare it with the Askar 203mm, and on that occasion I …

2014年9月16日 · The 160 ED is all of the above in a slightly larger package. The views of Saturn and Jupiter just a little bit crisper. IMHO, the 160 ED was the best value in the TEC line. …

2025年1月6日 · I need feedback from TEC 140ED owners on focal reducer/correctors - posted in Experienced Deep Sky Imaging: I am currently considering both the TEC 0.9x FRC and Astro …

2023年12月6日 · The TEC 140 is a premium quality – and priced – instrument. It sits within several lines of refractor that TEC makes and the TEC140 is the second “lowest” of the line …

Clear aperture 5.5" (140 mm), focal length 980 mm; The color correction is optimized for visual use with focus shift less than 0.02% from 436nm to 1000nm; Durable oil spaced lens; 3.5" …

This year (2015) we tested the TEC APO 140. This was the first TEC 140 tested by Airylab and one of the rare professional lab-independant-test made with a TEC140... Airylab uses an …

TEC made 3 different TEC 140 scopes. The first generation ED, then a second generation ED which has the outer elements switched, and finally the 140 FL. They are all somewhat different …

The TEC APO 140 FL has number of features that in a given combination are rarely found in one scope: Precision apochromatic objective with modern coating that makes lenses almost …

The TEC 140 is a 140mm(5.5”) APO that is made 100% in the state of Colorado by a team of gents that came from the former Soviet Union. The scope has a focal length of 980mm and …