Monday, April 23, 2012

Celestron 21062 AstroMaster 70 EQ Refractor Telescope

Celestron 21062 AstroMaster 70 EQ Refractor Telescope Reviews



More Picture

Celestron 21062 AstroMaster 70 EQ Refractor Telescope Celestron 21062 Product that you should not miss.
Rush to buy Celestron 21062 AstroMaster 70 EQ Refractor Telescope Celestron 21062 .

Prices, offers, discounts, special promotions. May Have Limited time.

Proprietary Celestron 21062 AstroMaster 70 EQ Refractor Telescope Celestron 21062 before others today.


Celestron 21062 AstroMaster 70 EQ Refractor Telescope Feature

  • Model Number: 21062
  • Magnification: 90
Celestron’s AstroMaster 70 EQ combines the solid optical performance of a classic achromatic refractor with a German style equatorial mount. The Astromaster 70 features easy no-tool setup and much better optics than 60mm beginner scopes. The Astromaster package includes high and low power eyepieces, a correct image diagonal prism, illustrated instructions, and planetarium software for your PC.

The AstroMaster 70 EQ features very good optical performance. Achromatic refractors have a two piece objective lens, the second lens element compensates for “chromatic aberration”, the false color or blue fringes seen in low cost telescopes. In daylight tests I see very little blue fringing with the standard equipment 10mm eyepiece (90X magnification), and none at all with the 20mm eyepiece (45X). Stars and planets show up very nicely with the AstroMaster 70. The bright double star Castor, one of the “twins” in the constellation Gemini, is cleanly split at 90X with the 10mm eyepiece. When I tried an optional 6mm Plossl eyepiece for a magnification of 150X, I was treated to lovely views of Saturn’s rings and the little orange disk of Mars. My view of the Moon was delightfully crisp and clear; the 20mm eyepiece nicely frames the Lunar disk, and using the 10mm eyepiece I could easily see mountain peaks and terraced walls inside the crater Copernicus.

The AstroMaster 70 EQ also features a newly designed tripod with 1.25 inch stainless steel legs. This new tripod holds the telescope firmly; I had no trouble focusing even with a high power eyepiece. The equatorial mount is a little more complicated to balance and align than the AstroMaster 70 AZ , but the reward is better slow motion control and tracking at magnifications over 100X. Simply point the equatorial axis at Polaris, the North Star, and the telescope tracks celestial objects by turning one slow motion knob. This makes it much easier to use a high power eyepiece while viewing the Moon and Planets. The “star pointer” finder scope works by shining a red LED on a plastic window; just look through the window and line up the red spot with your target. This works OK for bright objects like the Moon and planets but not so well for finding galaxies and deep space objects.

The AstroMaster 70 EQ is a very good entry level telescope for a student or family. The good quality 70mm optics produce an image that is significantly sharper and brighter than 60mm beginner scopes, and the AstroMaster 70 EQ includes a solid mount, two good eyepieces, and fully illustrated instructions. --Jeff Phillips

Pros:

  • Reliable refractor design
  • Good views of the Moon and planets
  • Complete accessory package
  • Simple no tool setup
Cons:
  • Star-pointer not so easy to use


If you're looking for a dual-purpose telescope appropriate for both terrestrial and celestial viewing, then the AstroMaster Series is for you. Each AstroMaster model is capable of giving correct views of land and sky. The AstroMaster Series produce bright, clear images of the Moon and planets. It is easy to see the moons of Jupiter and the rings of Saturn with every one of these fine instruments. For views of the brighter deep space objects like galaxies and nebulae, we recommend the larger aperture and light gathering ability of the Newtonian reflectors.


Go to Store Now !!

More Products

More Reviews




1. This page is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com

2. Amazon, the Amazon logo, Endless, and the Endless logo are trademarks of Amazon.com, Inc. or its affiliates.

3. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON SERVICES LLC. THIS CONTENT IS PROVIDED AS IS AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

Sunday, April 22, 2012

Bushnell H20 8 x 42 Roof Prism Binocular

Bushnell H20 8 x 42 Roof Prism Binocular Reviews



More Picture

Bushnell H20 8 x 42 Roof Prism Binocular Bushnell 150842 Product that you should not miss.
Rush to buy Bushnell H20 8 x 42 Roof Prism Binocular Bushnell 150842 .

Prices, offers, discounts, special promotions. May Have Limited time.

Proprietary Bushnell H20 8 x 42 Roof Prism Binocular Bushnell 150842 before others today.


Bushnell H20 8 x 42 Roof Prism Binocular Feature

  • Roof prism binoculars with 8x magnification and 42-millimeter objective lenses
  • BaK-4 prisms and multi-coated optics offer crisp clear images with improved light transmission
  • 100 percent water and fog proof construction: O-ring sealed and nitrogen purged
  • Non-slip rubber armor absorbs shock and offers a firm grip; twist-up eyecups
  • Large center focus knob; long eye relief; limited lifetime warranty
Never worry about dropping your optics off the side of the boat again--the Bushnell H20 Binoculars are O-ring sealed and nitrogen purged for fully submersible, waterproof viewing. With the addition of dry nitrogen purging, you will never have to worry about the optics fogging up due to changes in humidity. Rubber armoring with textured pads offers a secure grip even in slippery, wet situations and the large center focusing knob is easy to operate even with gloves on.

The standard-sized 150842 H20 Binoculars offer 8x magnification with large, light gathering 42-millimeter objectives, and a field of view of 365 feet at 1,000 yards. Thanks to multi-coated optics and a roof prism system with premium quality BaK-4 prism glass, the binoculars provide great light transmission and image clarity at a budget friendly price. Built to last, the 150842 H20 Binoculars carry a limited lifetime warranty from Bushnell.

Features and Specifications:

  • Magnification: 8x
  • Objective Lens: 42 millimeters
  • Field of View: 365 feet at 1000 yards / 123 meters at 1000 meters
  • Close Focus: 12 feet / 3.6 meters
  • Exit Pupil: 5.25 millimeters
  • Eye Relief: 17 millimeters
  • 100 percent water and fog proof
  • Roof prism system
  • BaK-4 prism glass
  • Multi-coated Lenses
  • Center focus system
  • Twist-up eyecups
  • Size Class: Standard
  • Weight: 25 ounces / 708.5 grams
  • Model: 150842

About Roof Prism Binoculars:
The prism system of a binocular reduces the size needed to contain a long optical path and turns what would be an upside-down image right-side-up. In roof prism binoculars, the prisms overlap closely, allowing the objective lenses to line up directly with the eyepiece. The result is a slim, streamlined shape in which the lenses and prisms are in a straight line. Roof prism binoculars are less bulky and more rugged than an equivalent porro model.

8x42mm H20 packs a powerful, bright optics into a 100% waterproof package. We build optics with foresight. Thoughts such as, spend enough time on the water, and your equipment will spend some time in it. The H20™ series binoculars are O-ring sealed and nitrogen purged to completely lock out moisture should you spill, take one overboard, or simply run into foul weather along the way. Rubber armoring with textured pads gives you a grip in slippery situations. Multi-coated optics and premium quality BaK-4 prism glass maximize light transmission and image clarity. You’ll quickly see how a little planning on our part goes a long way to magnify your adventures on and around the water.


Go to Store Now !!

More Products

More Reviews




1. This page is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com

2. Amazon, the Amazon logo, Endless, and the Endless logo are trademarks of Amazon.com, Inc. or its affiliates.

3. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON SERVICES LLC. THIS CONTENT IS PROVIDED AS IS AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

Friday, April 20, 2012

Nikon 7238 Action Ex Extreme 8 X 40 mm All Terrain Binoculars

Nikon 7238 Action Ex Extreme 8 X 40 mm All Terrain Binoculars Reviews



More Picture

Nikon 7238 Action Ex Extreme 8 X 40 mm All Terrain Binoculars Nikon 7238 Product that you should not miss.
Rush to buy Nikon 7238 Action Ex Extreme 8 X 40 mm All Terrain Binoculars Nikon 7238 .

Prices, offers, discounts, special promotions. May Have Limited time.

Proprietary Nikon 7238 Action Ex Extreme 8 X 40 mm All Terrain Binoculars Nikon 7238 before others today.


Nikon 7238 Action Ex Extreme 8 X 40 mm All Terrain Binoculars Feature

  • Waterproof, fogproof, and shockproof performance
  • All-metal chassis in lightweight polycarbonate shell
  • Rubber-coated body for firm, non-slip grip
  • Magnification: 8x
  • Objective lens: 40mm
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. The binoculars are central focus with a diopter control to correct for normal right/left eye vision imbalance.The Extreme ATBs all feature Apparent Angles of view that exceed 65 degrees, making them true Wide Angle binoculars while two of the models, the 7x35 and 8x40, will provide a field of view of over 420 at 1,000 yards, making them true wide field binoculars.