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35 Products Found
APO140FL F/7

APO140FL F/7

Item# APO140FL F/7
From $7,80000
Special Projects

Special Projects

$000
APO160FL F/7

APO160FL F/7

From $12,90000
APO180FL F/7

APO180FL F/7

From $19,00000
APO140FL F/9.6

APO140FL F/9.6

Item# APO140FL F/9.6
From $7,50000
APO160FL F/11 Yellow Submarine

APO160FL F/11 Yellow Submarine

Item# APO160FL F/11 – Yellow Submarine
$12,00000
APO200FL F/11

APO200FL F/11

$29,00000
APO250VT F/8.8

APO250VT F/8.8

$58,00000
9" Dovetail Plate

9" Dovetail Plate

$7500
12" Dovetail Plate

12" Dovetail Plate

$9500
14" Losmandy Universal Dovetail Plate

14" Losmandy Universal Dovetail Plate

$8500
19" Losmandy Universal Dovetail Plate

19" Losmandy Universal Dovetail Plate

0 (0)
$10000
9" Carry Handle

9" Carry Handle

$6000
12" Carry Handle

12" Carry Handle

$6400
Tube Rings APO140FL F/7

Tube Rings APO140FL F/7

$33000
Tube Rings APO160FL F/7

Tube Rings APO160FL F/7

$36000
Tube Rings Larger Models

Tube Rings Larger Models

$40000
Transportation Case APO140FL F/7

Transportation Case APO140FL F/7

$62000
Transportation Case APO180FL F/7

Transportation Case APO180FL F/7

$75000
Focal Reducer Corrector (FRC) 0.9x

Focal Reducer Corrector (FRC) 0.9x

$95000
10x60 Baader Vario Finderscope w/ Illuminated Prism

10x60 Baader Vario Finderscope w/ Illumi...

$35000
Finder Bracket and Base Set

Finder Bracket and Base Set

$16000
Finder Base

Finder Base

$4000
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Blog results

Early gears for seeing Venus atmosphere

Early gears for seeing Venus atmosphere

The 1761 Venus transit marked a breakthrough in observing Venus's atmosphere, thanks to advancements in telescopes. Astronomers used diverse instruments, from singlet refractors to Dollond's achromatic doublets, revealing fine details like a luminous arc around Venus. Solar activity likely played a key role.

ADC Limited Trial Program

ADC Limited Trial Program

Telescope Engineering Company would like to announce a new 30-day ADC (Atmospheric Dispersion Corrector) trial for TEC customers that may be interested in purchasing an ADC, but unsure if it fits their needs.

The telescope which discovered the Venus’s atmosphere

The telescope which discovered the Venuss atmosphere

John Dollond and Mikhail Lomonosov, two 18th-century pioneers, made major discoveries—Dollond’s achromatic telescope and Lomonosov’s identification of Venus’s atmosphere in 1761. Using a Dollond refractor, Lomonosov observed optical effects confirming Venus’s thick atmosphere.

The First Telescope

The First Telescope

Hans Lipperhey, a spectacle-maker, combined a concave and convex lens into the first telescope. But were both lens types in shops enough to create one? Perhaps he was just checking the convex lens surface? A concave lens shrinks images, unlike a convex magnifier, which forms a Keplerian telescope. So, which came first?

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https://www.telescopengineering.com/page/products/
Explore Telescope Engineering Company’s full lineup of apochromatic refractor telescopes, built for exceptional performance in visual observation and astrophotography. TEC’s precision-crafted optics and mechanical designs serve the needs of professional and advanced amateur astronomers.
TEC telescopes,apochromatic refractors,triplet refractor telescopes,professional telescopes,fluorite refractors,high-performance telescopes,

Home | Telescope Engineering Company

https://www.telescopengineering.com/
Telescope Engineering Company (TEC) creates premium apochromatic refractors and optical systems, trusted globally for precision, innovation, and quality. Explore TEC's advanced telescopes, designed for both professionals and enthusiasts, delivering exceptional clarity.
Telescope Engineering Company,apochromatic telescopes,high-quality optics,precision-engineered telescopes,TEC telescopes,professional astronomy telescopes,astronomical optics,innovative telescopes,apochromatic refractors,premium telescopes,astronomy equipment