Showing posts with label Plossl. Show all posts
Showing posts with label Plossl. Show all posts

Sunday, October 23, 2011

Skywatcher 8" Dobsonian 1200mm Focal Length (f/5.9) with 2" Crayford Style Focuser, 1.25" adaptor, 10mm & 25mm Plossl Eyepieces, 8x50 VF, & Rocker Mount

Skywatcher 8" Dobsonian 1200mm Focal Length (f/5.9) with 2" Crayford Style Focuser, 1.25" adaptor, 10mm & 25mm Plossl Eyepieces, 8x50 VF, & Rocker Mount Review


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Skywatcher 8" Dobsonian 1200mm Focal Length (f/5.9) with 2" Crayford Style Focuser, 1.25" adaptor, 10mm & 25mm Plossl Eyepieces, 8x50 VF, & Rocker Mount Feature

  • Newtonian (Parabolic) Optical Design
  • Grade A annealed Glass Lens Material
  • 200mm Aperture (Diameter)
  • 1200mm Focal Length
  • f/6 Focal-Ratio
Sky-Watcher 8" DOB - Join the Ranks of Serious Observers ...Corresponding to the escalating "aperture fever" that has gripped amateur astronomy for several decades, an 8" diameter is now generally regarded as the minimum entry-level aperture for serious observing.The low cost, large diameter, and fast focal ratio of the 8" Sky-Watcher Dobsonian make it an ideal dedicated telescope for wide-field, deep-space observation of faint galaxies, nebulae, and star clusters.The low-power dramatically captures wide swaths of sky in a single view. Galaxies and nebula appear to pop out of the heavens as bright, expansive masses of stars, gas, and dust.Observing with the 8" Sky-Watcher DobsonianIf you have never before observed through a high-quality, wide-field Dobsonian, like the SW 8" DOB, you are in for one of the sweetest experiences in amateur astronomy. Imagine the exhilaration of opening a clam and discovering a pearl.The sky is full of pearls, astronomical pearls. While they won't make you rich in the financial sense, for amateur astronomers at least, observing the fabled pearls of deep-space is a rich and even exhilarating pastime. A catharsis for the soul that renders the mundane insignificant, and reconnects us with the inner child who revels in awe and wonderment.A night observing with the SW 8" Dob can leave you with a lingering sense of contentment long after the evening's viewing is over. Some of amateur astronomy's most r


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Oct 23, 2011 13:30:03

Friday, September 16, 2011

Celestron NexStar 32mm & 13mm Plossl Eyepiece Pair

Celestron NexStar 32mm & 13mm Plossl Eyepiece Pair Review


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Celestron NexStar 32mm & 13mm Plossl Eyepiece Pair Feature

  • 32mm NexStar Plossl Eyepiece
  • 13mm NexStar Plossl Eyepiece
  • Blackened eyepiece barrel edges - Minimized internal reflection and maximizes contrast.
  • Premium four element symmetrical optical design - Increase optical resolution.
  • Multi-layer coatings on each lens surface - Maximizes light transmission and contrast.

The Celestron NexStar 32mm, 13mm, Plossl 1.25" Eyepieces are a great upgrade to any telescope. This Celestron NexStar Plossl Eyepiece Bundle comes with two eyepieces, they include:

Each Celestron NexStar Plossl Eyepiece has the following features to maximize your observing session.

The Specifications for each eyepiece in the bundle is listed below:

Celestron 32mm NexStar Plossl Eyepiece

Celestron 13mm NexStar Plossl Eyepiece

* Focal Length - 32mm * Eye Relief - 22mm * Apparent Field of View - 52 Degrees * Barrel Size - 1.25" * Focal Length - 13mm * Eye Relief - 9mm * Apparent Field of View - 52 Degrees * Barrel Size - 1.25"


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Sep 17, 2011 04:49:33

Monday, August 29, 2011

32mm Orion Sirius Plossl Telescope Eyepiece

32mm Orion Sirius Plossl Telescope Eyepiece Review


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32mm Orion Sirius Plossl Telescope Eyepiece Feature

  • This 32mm Plossl 1.25" eyepiece is ideal for all types of telescopes: reflector, refractor, and Cassegrain
  • Offers a 52 degree apparent field of view for clear, sharp images of the Moon, planets and many deep space objects with impressively high contrast
  • Eyepiece optics are fully coated with magnesium fluoride on every air-to-glass surface for bright, clear views
  • Offers a very wide true field and a wide apparent field for dramatic visual effects
  • Threaded for use with 1.25" telescope eyepiece filters
With a wide 50-deg apparent field, our Sirius Plossl line of eyepieces provide clear, sharp images of impressively high contrast. They're suitable all telescope types: reflector, refractor, and catadioptric. Each 4-element Sirius Plossl is fully coated with magnesium fluoride on every air-to-glass surface. Lens edges are blackened to reduce scattering of stray light and maximize contrast. Lenses are mounted in black anodized aluminum housings with 1.25" chrome-plated brass barrels. Each is fitted with rubber eyeguards and internally threaded to accept standard filters.


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Aug 29, 2011 12:12:36

Thursday, August 11, 2011

Televue 32mm Plossl 1.25 inch (1-1/4 in.) Eyepiece

Televue 32mm Plossl 1.25 inch (1-1/4 in.) Eyepiece Review


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Televue 32mm Plossl 1.25 inch (1-1/4 in.) Eyepiece Feature

  • High-index glasses to improve the edge-field performance
  • Fully multicoated
  • Parfocal
  • Rubber Eyeguards, Grip Rings, Filter Threads,
  • Blackened Lens Edges, Saftey undercuts

Diffraction limited "on-axis" performance is a given. Using more expensive high-index glasses to reduce astigmatism and lateral color at the field s edge, Tele Vue Plossls deliver sharper images than any other brand of 4 or 5 element "Plossl" or Orthoscopic designs. The faster the focal ratio of your telescope, the greater your visual reward for using Tele Vue eyepieces. Tele Vue Plossls feature full multicoatings for greatest light transmission and contrast. Blackened lens edges and internal anti-reflection threads tweak the last bit of contrast for maximum image detail. The sharper field focuses faint star light into perceptible points and allows those with undriven mounts to gaze longer before repositioning the image.

Specifications


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Aug 11, 2011 11:04:04