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Celestron 94162 Solar Filter for NexStar 8 and 8i SCT Telescopes
Celestron 94162 Solar Filter for NexStar 8 and 8i SCT Telescopes
Celestron Solar Filters are made with Baader Astro Solar Safety Film. Far superior than any existing glass, Mylar or polymer filters, they lead to brighter, sharper, and higher contrast images.Enter the millennium with the finest solar filters available. Astro Solar Safety Film is clear and homogenous and attains the optical performance of high quality plane-parallel glass filters-it is diffraction limited! Double-sided metal coatings have uniform density and good color balance across the entire field ensuring razor sharp images from edge to edge.The Sun appears in its "real "color -neutral white, not blue or orange ,and the sky adjacent to the solar limb is jet black.You can see detail in sunspots, bright faculae near the limb and the mottled areas known as granules with these filters. The Sun offers constant changes and will keep your observing interesting and fun. Even small aperture telescopes can enjoy features of the Sun.The Astro Solar film is completely safe and durable (won't break like glass if dropped). Its rating is ND-5 which means that the film transmits 1/100,000 of visible light (.001%) while reflecting (blocking) 99.999%of unwanted light. The film absorbs all ultraviolet rays while coating reflects infrared light rendering both absolutely harmless. For added assurance, Baader Astro Solar film has been declared safe for direct solar viewing by the German National Bureau of Standards for eye safety.Celestron has previousl
Celestron 93327 X-Cel Extra-low Dispersion 2 x 1.25 Barlow Lens
Celestron 93327 X-Cel Extra-low Dispersion 2 x 1.25 Barlow Lens
Barlow lenses offer an easy, economical way to increase the magnification range of your eyepieces. A Barlow lens doubles the magnifying power of your eyepiece by doubling its effective focal length. For example, an 18mm eyepiece used with a 2x Barlow lens would have the magnifying power of a 9mm eyepiece. It's like having two eyepieces in one! If you're looking for an affordable way to achieve high-power viewing of the moon and planets, double stars and even close-up views of terrestrial subjects, a Barlow lens is the answer. Barlow lenses mount into either your telescope's focuser or visual back
More Telescope Power: All New Activities and Projects for Young Astronomers
More Telescope Power: All New Activities and Projects for Young Astronomers
Discover the power of your telescope as you explore the vast reaches of the universe
Want to explore Mars? Observe Jupiter's cloud bands? Visit a galaxy that's almost 2 million light years away? With More Telescope Power, you can do all of that and more! Under the guidance of experienced astronomer Gregory Matloff, you'll uncover the full potential of your telescope as you take a fascinating tour of the universe.
Along the way you'll learn plenty of new observation techniques, including: using various eyepieces and filters; tracking satellites; observing comets and meteors; using sunspots to determine solar rotation; and much, much more. Filled with dozens of all-new stargazing projects and observing activities, this detailed guide also contains plenty of helpful illustrations such as finder charts, lunar and solar eclipse tables, diagrams, and photos. Whether you're a science teacher searching for simple telescope projects, an amateur astronomer just learning to use your new telescope, or a science student with a yen for the stars, you'll find everything you're looking for in More Telescope Power.
Alpen Digital Camera Adapter for Spotting Scopes
Alpen Digital Camera Adapter for Spotting Scopes
Alpen Spotting Scope Digital Camera Adapter 706
Telescope Casual WFB100 World Famous Bar Height Outdoor Director Chair w/ Cover
Telescope Casual WFB100 World Famous Bar Height Outdoor Director Chair w/ Cover
Telescope Casual WFB100 Telescopes World Famous Director Chair is soundly constructed using the finest solid North American hardwood. Made in the U.S.A. this is the finest chair in the industry. Arms are shaped and sanded by hand for maximum comfort and smoothness. The heavy duty shaped legs of the World Famous Chair set it apart from the crowd. Corner bracing on the counter and bar height designs insure long term rigidity of these frames. Chairs fold compactly, arm assembly folds down flat, packs easily. Available in three seat heights and four frame finishes. Director Chair Features: -Dimensions: 24"W x 46"H -Seat height: 29.5" -Available in White, Varnish, Black, and Walnut -Shipped fully assembled -Available in 3 sizes: Standard, Counter, and Bar Height (see related items) -Suited for Residential use only Complete your World Famous Director Chair with a premium chair cover. Telescope offers a large variety of high quality fabrics and materials to allow you to customize the chair of your choice. Available in canvas, heavyweave mesh and acrylic blend; each cover has state of the art non-sag and mildew-resistant features to keep your chair looking its best. Covers slip easily into place and are replaceable. Cover Features: -One size fits all Telescope Director Chairs -Non-sag and mildew-resistant for extra longevity -Availabe in Canvas, Heavyweave Mesh, and Heavyweave Acrylic blend -Easily replaceable -Dimensions:16"W x 19"D seat, 21"W x 7"H back -Suited for Residential use only About Telescope Casual Telescope has stood the test of time. Collections like Gardenella have been around for nearly 30 years, and Director Chairs are still very popular. Our powder-coated frames and replaceable straps and slings are often imitated, but with Telescopes high-quality craftsmanship and customer warranty, you wont find a better value. Telescopes Collections Include: -Cast Aluminum Collections -Cushion Collections -Sling Collections -Strap Collections -Director Chair Collect
Nikon - Action EX 12x50 Extreme Binocular
Nikon - Action EX 12x50 Extreme Binocular
Key Features:Aspherical lenses eliminate virtually all distortion _ Quick, smooth central focusing _ Tripod adaptable (with Product #7650) _ Diopter control to regulate vision imbalance _ BaK4 high index prisms _ Precision aligned sharp multicoated optics for bright, clear images _ Standard-size armored bodyThe new Nikon Action Extreme" binoculars feature an all-metal chassis with lens fittings housed in a tough, lightweight polycarbonate body shell. Like all Nikon All Terrain Binoculars, the EX is nitrogen-filled and O-ring sealed for total waterproof, fogproof and shockproof performance in any environment. The binocular bodies are ergonomically shaped, tripod adaptable and are rubber coated for a non-slip grip, whether wet or dry.The new Extreme ATB offerings utilize high-resolution lenses and prism systems crafted from Nikons exclusive Eco Glass", which is made without the use of arsenic or lead. This lens system provides an extremely clear, distortion-free image over the entire field of view. The lens elements each incorporate multi-layered anti-reflective coatings formulated to deliver optimum brightness, high contrast, true color rendition and flare-free viewing in most lighting conditions. The Extreme" series binoculars each feature a unique, click-stop eyecup design that not only delivers long eye relief, but also allows for variable eye relief that is customizable to the users own eyes and eyeglasses
Celestron NexImage Solar System Imager
Celestron NexImage Solar System Imager
Celestron's NexImage combines a sensitive CCD imaging device with powerful image processing software in one affordable package. Now anyone with a telescope can take pictures that are simply amazing.
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| An image of Jupiter taken with the Celestron NexImage Solar System Imager |
Amateur astronomers have been taking great pictures of the moon and planets by using modified Webcams. The favored Webcams for astro-imaging have been the hard-to-find Philips ToUCam and Vesta models because of their high-performance CCD chips. Now Celestron's Neximage puts the same CCD technology in a package that's ready to use with any telescope that accepts 1.25-inch eyepieces. The NexImage includes an anodized metal nosepiece that fits in a 1.25-inch eyepiece holder. When I installed the Windows based software, I also updated my Windows Media Player files. Then I simply plugged the NexImage into my computers' USB port, and I was ready to start taking pictures.
The NexImage CCD is sensitive enough that I can take "snapshots" of the Moon or Sunspots (always use a safe Solar filter, of course!) even without a motor-driven telescope. The real power of the NexImage package, however, comes from its included Registax software which automatically aligns and stacks hundreds of individual AVI video frames into one sharp, highly detailed picture.
I used my 8-inch Celestron Schmidt-Cassegrain telescope (similar to the Nexstar 8 GPS ) and my 2x Ultima Barlow lens to capture some beautiful pictures of Jupiter and Saturn. The sensitive Sony CCD chip in the NexImage easily shows color and detail on Jupiter that just doesn't show up when I use CMOS-based Webcams.
The fine performance of the NexImage package is limited somewhat by its included video capture software. The AmCap software doesn't give me the precise control of exposure times I'd like; I wasn't able to photograph the moon Callisto next to Jupiter, for instance, without overexposing the planet. Celestron doesn't mention the other little drawback in its ads. You'll have so much fun that your hard drive will start filling up with pictures and AVIs! --Jeff Phillips
Pros:
- Sensitive CCD chip
- Fits any telescope that takes 1.25-inch eyepieces
- Powerful image processing software
- Takes practice to get the exposure time just right
- Software is Windows only
- You'll fill up your hard drive with pictures
News about best telescope
Shark Tale movie
Tue, 22 Apr 2008 04:52:27 -0700
Shark Tale Download Shark Tale Storyline Taglines: A new school’s gonna rule… Behind every little fish is a great white lie. In fall, a new school will rule. The story of what happens when one little fish tells a great white lie… Pilot: The sea underworld is shaken up when the son of the shark mob boss is found dead and a young fish named Oscar is found at the scene. Being a bottom feeder, Oscar takes advantage of the situation and makes himself look like he killed the finned mobster.











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