Celestron 93624 Narrowband Oxygen III 2 Filter & 93419 T-Ring for 35 mm Canon... For Sale
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Celestron 93624 Narrowband Oxygen III 2 Filter & 93419 T-Ring for 35 mm Canon...:
Celestron 93624 Narrowband Oxygen III 2 Filter & 93419 T-Ring for 35 mm Canon EOS Camera (Black)
- Product 1: The 2" OIII narrowband filter isolates the two doubly-ionized oxygen lines (496 and 501 nm lines)
- Product 1: Filter has ultra-hard, vacuum-deposited coating
- Product 1: Eliminates un-natural colored halos surrounding bright stars
- Product 1: Country of Origin:China
- Product 2: This Celestron T-Ring attaches to Canon EOS DSLR and SLR camera bodies
- Product 2: Sturdy bayonet flange locks in place just like a lens, providing secure
- Product 2: Attaches to a variety of camera adapters and accessories via standard T-Threads
- Product 2: This T-Ring fits EOS model cameras only. It will not work with other Canon camera bodies.
Celestron 93624 Narrowband Oxygen III 2 Filter
The 2" OIII narrowband filter isolates just the two doubly-ionized oxygen lines (496 and 501 nm lines) emitted by planetary and emission nebulae, while blocking the rest of the overall spectrum of light. The result is extreme contrast between the black sky background and the faint photons of OIII light needed for detailed views of the Veil, Ring, Dumbbell, Crescent and Orion nebulae, among other objects. Each filter has an ultra hard, vacuum-deposited coating carefully designed to block all of the visual spectrum ranging from 400 to 700 nm This eliminates the un-natural colored halos surrounding bright stars common with O III filters of less sophisticated coating technology.
Celestron 93419 T-Ring for 35 mm Canon EOS Camera (Black)
A T-Ring is one of the first accessories you will need if you want to take pictures through a telescope or spotting scope. If you have a Canon EOS camera body, the Celestron EOS T-Ring is the one for you. To use the Canon EOS T-Ring, remove the lens from your camera, and attach the T-Ring in its place, just as you would if you were mounting a lens. The telescope side of the T-Ring has threads that will accept a variety of camera adapters, including the Celestron T-Adapter or Tele-Extender. The adapter you choose depends on the type of photography you wish to do. You can take pictures of terrestrial and/or celestial scenes by using a simple T-Adapter to turn your telescope or spotting scope into a large telephoto lens. The #93633-A T-Adapter is the best choice if you own a Schmidt-Cassegrain telescope with standard rear cell threads. If you have a refractor, the Universal T-Adapter (#93625), with its 1-1/4” barrel insert, is available. There are also special T-Adapters for the EdgeHD optical system: one for the 8-inch EdgeHD (#93644) and one for the 9.25, 11, and 14-inch EdgeHD (#93646). focus photography is popular for short exposure images of terrestrial objects as well as celestial objects like the Moon. If you need extra magnification beyond that which your Schmidt-Cassegrain telescope provides, a Tele-Extender (#93643) will allow you to insert an eyepiece inside the barrel before attaching it to the telescope. A Tele-Extender is used most often for high power images of the Moon and the planets.
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