Aenmil® Dual Focus Monocular Telescope 10-90×25 Day and Night Vision Telescope Adjustable Zoom Monocular Scalable Telescopic 0.5M-3000M for Birds/hunting/camping/hiking Armoring

Features: 1. Multi Coated optics guarantee superior light transmission and brightness 2. This product have dual focus capability (front and back adjustable zoom) 3. Single hand operation 4. Powerful, ultra-compact and ultra-lightweight 5. Objective Lens: The diameter of the objective or front lens. The larger the objective lens, the more light that enters the binocular, and the brighter the image … Read More

SkyWatcher S11540 Maksutov-Cassegrain 180mm (Black)

The Sky-Watcher Maksutov-Cassegrains are the ultimate take-anywhere telescopes. Despite their small dimensions they pack a powerful punch. Their high-resolution, diffraction-limited optical systems are multi-coated to maximize contrast and image sharpness. Product Features 180mm Maksutov-Cassegrain 2700 mm (f/15) Fully multi-coated 6×30 finderscope & 2″ 90 degree Star diagonal Black V-style dovetail plate

Solar Prominences (Astrophysics and Space Science Library)

This volume presents the latest research results on solar prominences, including new developments on e.g. chirality, fine structure, magnetism, diagnostic tools and relevant solar plasma physics. In 1875 solar prominences, as seen out of the solar limb, were described by P.A. Secchi in his book Le Soleil as “gigantic pink or peach-flower coloured flames”. The development of spectroscopy, coronagraphy and … Read More

Astronomy (DK Eyewitness Books)

The most trusted nonfiction series on the market,Eyewitness Books provide an in-depth, comprehensive look at their subjects with a unique integration of words and pictures. DK’s classic look at astronomy now reissued with a CD and wall chart.

Black Polymer Solar Filter for Cameras, Finders, Small Refractors, 70mm Diameter

############################################################################################################################################################################################################################################################### Product Features 70mm2.75″ Black Polymer Solar Filter for 50mm2.00″ Telescopes. This filter should fit the following instruments: Cameras, Finders, Small Refractors. Part #B2750. Please read carefully: 70mm2.75″ is the diameter of the filter. The filter fits like a cap by friction. To be absolutely sure that the filter will fit, please measure the outer diameter of your instrument and … Read More

Celestron 114LCM Computerized Telescope (Black) by Celestron

High quality 114 mm (4.5″) refractor Quick-release computerized base, optical tube and accessory tray for quick no tool set up Database allows telescope to locate over 4,000 celestial objects Lightweight Computerized Mount Includes “The SkyX” Planetarium software Product Features High quality 114 mm (4.5″) refractor Quick-release computerized base, optical tube and accessory tray for quick no tool set up Database … Read More