![]() ![]() The "theoretical" limit generally is 50x the aperture of the scope in inches (2x the aperture in mm). The highest practical limit is different from the often used "highest theoretical magnification" specification. Referring to the manual is highly recommended. These products will appeal to the more technically inclined. Some are easy to use but might be on the large or heavy side. ![]() Optical instruments with this rating have exceptionally fine optics and mechanics. Referring to the manual is recommended.Īdvanced Level - These products provide the best performance but may require more skill to master and appreciate. But anyone with the slightest technical bent will have no problem getting familiar with these models. They typically take a bit longer to learn and need some set-up or adjustments. Intermediate Level - These products offer higher performance and more advanced features than Level 1: Beginner models. Beginning level telescopes will show you countless lunar craters, Saturn's rings and a myriad of star clusters and nebulae! Referring to the manual is recommended. Great for families, young people, and folks who don't want to mess with equipment and complexity. Optical instruments with this rating will have very good optical and mechanical quality. Some initial assembly may be required depending on the type of product. Day or night, this is one FUN telescope.īeginner Level - Suited for a wide range of uses, these products are simple to operate and set up. Preinstalled on the ShortTube 80-T is a dovetail mounting bar that allows attachment to any mount with a Vixen-style saddle or to any photo tripod with a ¼"-20 threaded post (via one of the tapped holes in the bottom of the dovetail bar).Īnd while the ShortTube 80-T 80mm Refractor Telescope is optimized for terrestrial viewing, why not turn it skyward in the evening for some stargazing? Scan the Milky Way for buried treasures, or focus it on the Moon for some jaw-dropping views of the rugged lunar landscape. Their optics are multi-coated to render bright images and their barrels are threaded to accept optional Orion filters. The two interchangeable Sirius Plossl eyepieces of 25mm and 10mm focal length deliver low 16x and high 40x magnifying power, respectively. Another nice feature is that the drawtube collar sports male T2 threads, which allows attachment of a DSLR or mirrorless camera directly to the drawtube via a T-ring (sold separately) for prime focus photography. The ShortTube 80-T 80mm Refractor Telescope comes equipped with a 1.25" cast-aluminum rack-and-pinion focuser, which has a dovetail finder scope shoe molded into the housing. The oversized aluminum dew shield guards against moisture accumulation on the lens and blocks off-axis light for better image contrast. Its short 400mm focal length (f/5.0) means you'll enjoy a generous field of view as you take in the scene in high definition. ![]() Housed in the ShortTube 80-T's 15" aluminum optical tube is an 80mm (3.1") achromatic objective lens that is multi-coated for outstanding light transmission. Just pop it on your favorite field tripod or telescope mount and it's ready for grab-and-go-anywhere action. Our popular ShortTube 80-T compact refractor is back! This wide-field wonder is outfitted with a correct-image 45-degree diagonal and a correct-image 6x26 finder scope to provide a correctly oriented image for daytime Terrestrial (hence the "T" in 80-T) observing.
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