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7 Color Flashing Lite Cube
$4.95
A Bright Idea with Many Uses -- This one inch, waterproof, plastic cube has the capability of lighting up in seven different colors! -- With a little imagination, thereGÇÖs no limit to the amount of decorating that can be done with the Flashing Lite Cube. You can freeze them and use them in drinks or a punch bowl, you can use them at the bottom of a floral arrangement, make centerpieces, place settings, nightlights and more GÇô the possibilities are endless! -- Flashing Lite Cube uses Non-Replaceable Batteries (included).
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7 Color Flashing Lite Cube
from Edmund Scientific's
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7X, 10X and 20X Hastings Triplet Magnifiers
$39.95
**Wide, flat distortion-free field -- **For printers and photo engravers -- **Chromatic and spherical aberration-corrected -- Unique three-element design provides the ultimate in distortion free, color-correct viewing, facilitating reduction or elimination of "pin cushion" distortion and chromatic and spherical aberations. -- Two concave meniscus elements are cemented to a double convex lens, then mounted with threaded retaining rings in a machined black anodized metal cell which swing into a protective brass case. The case doubles as a handle for viewing. -- We caution buyers that laws of physics dictate that both the diameter and working distance of a magnifier must decline as power increases. Accordingly, the 20X system, while an excellent high-power magnifier, is relatively small and has a short working distance. The next step from the 20X Hastings is a full microscope. -- SPECIFICATIONS: -- Lens Diameter: 23mm / 7/8" -- Field of View: 33mm / 1 5/16" -- Focal Length: 40mm / 1 9/16" -- Working Distance: 37mm / 1 1/2" -- Case Dimensions: 1" H x 2" L
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or to order
7X, 10X and 20X Hastings Triplet Magnifiers
from Edmund Scientific's
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Adjustable Green Laser Pointer
$59.95
Incorporates the latest technology in green laser optics and microelectronics so it is Brilliantly Bright! -- Powered by a Sony diode with a lifetime of 3000-5000 hours, the Adjustable Green Laser Pointer projects a green dot up to an incredible 2 miles away. It is so powerful that the beam itself can be seen for several hundred feet in darkness. -- The laser's adjustable feature allows you to adjust the focus of the laser pointer to get the ideal beam for the distance you are projecting. Just turn the gold colored ring on the front of the pointer. At short distances, a few feet or less, you can project a remarkably sharp and bright beam. -- This top quality green pointer makes an immediate impact. Presenters using green lasers are immediately perceived as ahead of the pack in both style and technology. Housed in a solid metal case, the Adjustable Green Laser Pointer is a great choice for those who want the very best and latest in laser pointer technology. -- Wavelength is 532 nm; pulse duration is >3.8 x 10 -4; radiant power is
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or to order
Adjustable Green Laser Pointer
from Edmund Scientific's
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Blue Phire Laser Pointer
$899.00
Behold, the power of Phire in your hands! -- Consider the awesome new technology behind HD DVDs, gaming consoles, and flat screen TVs. For the first time, you can wield that awesome power and see it in motion! Using technology developed by Japanese researcher, Shuji Nakamura, and after years of research, a commercial blue LED is now available. -- Using gallium nitride crystals (instead of zinc selenide as many others were) Nakamura was able to create a new technology. This 473 nanometer blue laser light is sure to make you the coolest physicist in the room! -- Output -- NEW LOW PRICE!
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Blue Phire Laser Pointer
from Edmund Scientific's
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Card-Mounted Diffraction Viewers
$7.95
Transmission type, double axis holographic diffraction grating is mounted in 2" x 2" cardboard slide mounts and can be used for the direct viewing and analysis of spectra from different gas tubes and other light sources. -- With 13,500 line/in, the quality of the spectrum produced is the brightest possible with a minimum of distracting visual noise. These gratings are great for experiments pertaining to the study of light or color and ideal for classroom demonstration or to mount in a simple spectroscope. -- Each has one square inch of diffraction grating exposed and can be used in conjunction with colored film gels for additive and subtractive color demonstrations.
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Card-Mounted Diffraction Viewers
from Edmund Scientific's
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Carson Optical LensPen
$19.95
Outperforms All Other Lens Cleaning Systems -- Reduce static charge build-up, remove dust particles, and safely wipe away smudges with this revolution in cleaning technology. This innovative device features a high quality retractable brush and soft cleaning tip with a non-liquid cleaning compound that will not spill or dry out. -- Safe for all standard lenses, the LensPen is ideal for camcorders, cameras, binoculars, and more. Compact and lightweight, the portable LensPen easily fits in a purse, camera bag, or pocket for quick access whenever you need it.
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or to order
Carson Optical LensPen
from Edmund Scientific's
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