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Description: Meade Oxygen III (OIII) nebular filters provide an extraordinary level of nebular filtration on diffuse and planetary nebulae. Observations of these nebulae in a city environment with the OIII filter often yield more image contrast than observations of the same objects in a dark-sky setting without the filter.

The OIII filter extracts more than 80% of the light emanating from the two Oxygen III spectral lines at 496 and 501nm. Objects such as the Omega (Swan) Nebula (M17) in Sagittarius, the Orion Nebula (M42) in Orion, the Helix Nebula (NGC 7293) in Aquarius, and the Eagle Nebula (M16) in Serpens are revealed in dramatically increased detail. Meade 60-layer interference coating technology isolates the desirable OIII lines, while attenuating other spectral lines virtually to zero. As with Meade Narrowband Filters, the OIII filters are complements to other Meade nebular filters; the effectiveness of each filter type is highly dependent on the physical characteristics of the particular nebula being observed.
   
   


Televue 13mm Ethos Specifications


  • Apparent Field: 100 degrees
  • Focal Length: 13mm
  • Effective Field Stop: 22.4mm
  • Eye Relief: 15mm (accepts DIOPTRX eyesight astigmatism corrector)
  • Barrel Size: 1.25-inch and 2-inch
  • Weight: 1.24 lbs.

www.khanscope.com
Khan Scope Centre
3243 Dufferin Street
Toronto, Ontario, Canada
M6A 2T2
Phone: 416 783 4140
Toll Free: 1 800 580 7160
email: info@khanscope.com

   
   



New Observing ChairNew! StarBound Observing Chair (On sale for $209) Now in Stock!


Our deluxe quick-adjust chair is dependable, comfortable and convenient. Perfect for astronomy and outdoorsman activities! We Love this quality product, field 





Hyperion Zoom Eyepiece
Hyperion Zoom
The action on this zoom eyepiece is slicker than an other zoom eyepiece available at Khan Scope. Consisting of 7 elements, the Hyperion optical design delivers outstanding sharpness and color correction over its field. Its focal length is continuously variable, with click-stops at 8, 12, 16, 20, 24mm. It has a hybrid 2-inch and 1.25-inch barrel, and remains parfocal across the zoom range. Click-stops enable precise focal length matching for bino-viewer use. ($199




Now in Stock, Only $399. PLUS: From October 1st to November 30, get a $50 US Rebate .... Celestron introduces the new SkyScout! The Personal Planetarium..
SkyScout Celestial Navigator


NOW IN STOCK!
As seen on CNN! The Celestron SkyScout is a revolutionary handheld device that instantly identifies and/or locates any celestial object visible to the naked eye, providing entertaining educational information, both in text and audio.

A fun learning tool for all ages, the SkyScout personal planetarium puts the knowledge of an expert astronomer in the palm of your hand. The SkyScout is now on sale for $399.00 listed under Finder Scopes in our accessories section. Order Online Today or Call 1 800 580 7160 or local 416 783 4140 to place your order.

   
Orion StarShoot Deep Space Imaging Camera II
Bigger Chip, Improved Features Deliver Even More Spectacular Images
$699.95
 
StarShoot Deep-Space Imager II w/Bonus Accessories
This Astro-Imaging Package Will Have You Shooting the Heavens In a Flash!
$699.00
 
StarShoot Solar System Color Imager II
Makes Solar System Astrophotography Easy and Affordable
$179.95
 
StarShoot Monochrome Imager II and LRGB Filter Pkg
This Complete Imaging Package includes Monochrome Imager, Multiple 5-Filter Wheel and LRGB Filters
$899.95
 
StarShoot Deep Space CCD Monochrome Imager II
Get Superior Celestial Portraits with Tri-Color Imager
$699.95
 
 

New Affordable Accessory Kits -work with all Brands of Telescopes
Eyepiece kit Eyepiece and Barlow lens kit ($30) This kit, including a Barlow lens and 17.5mm eyepiece, makes an excellent stocking-stuffer, with magnifications that extend the range and fill the gaps between eyepieces that are usually included with a telescope gift.
Eyepiece kitEyepiece, Barlow lens and Moon Filter Kit ($50) With the inclusion of a Moon filter, this kit is not just a range of magnifications: a Moon filter on the 15mm Plossl eyepiece supplied produces a comfy, contrasty image of the Moon at high magnification.
Eyepiece kitEyepiece and Filter Accessory Kit ($99) This kit is the complete set. Three Plossl eyepieces - 32mm, 12.4mm and 6.4mm, complementing the 26mm or 25mm standard lens provided with most telescopes. And a Moon filter for good measure!





iOptron
Now In Stock: iOptron SmartStar Computerized Alt-Az Mount as Reviewed by Gary Seronik in February 2007 Sky & Tel Magazine($266)

SmartStar
This compact mount design is probably the most functional and flexible unit on the market. Both axis motors are built into a small single unit which is universally compatible with all telescopes using a dove-tail connection. In addition, there are no dead spots, so you can point your telescope to ANYWHERE above the horizon, whereas, other mounts block the telescope tube at certain points of rotation.

 
 
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