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| Orion Extra-Narrowband Tri-color CCD Imaging Filter Set | 
 enlarge | Brand: Orion
Category: Photography
Buy New: $369.95
Media: Electronics
MPN: 24609
UPC: 759270246099
EAN: 0759270246099
ASIN: B0014V73ZO
Availability: Usually ships in 1-2 business days
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| Features:
| • | Shoot high-contrast color CCD images of emission nebulas from light polluted or moonlit skies. | | • | Set consists of three dichroic, 1.25" extra-narrowband imaging filters: H-alpha, O-III, and S-II. | | • | These filters transmit specific wavelengths emitted by emission nebulas; block all other light. | | • | Each filter has 90% transmission at the critical wavelength and a narrow 7nm bandpass (FWHM). | | • | Ideal for use with the StarShoot Deep Space CCD Monochrome Imager and Manual 5-Filter Wheel. |
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| Editorial Reviews:
Product Description
Imaging with extra-narrowband filters is the latest technique used by amateur astronomers for producing striking, high-contrast color CCD astroimages of emission nebulas. And it works even in heavily light polluted or moonlit skies. What you need is this three-filter set, which consists of Orion Hydrogen-alpha (#5587), Oxygen-III (#5578), and Sulfur-II (#5579) extra-narrowband imaging filters (1.25"). These specialized "line" filters transmit only the specific wavelengths of light important in emission nebulas, while blocking out all the rest. The filters are designed for use with the Orion StarShoot Deep Space CCD Monochrome Imager II (#52083) and Manual 5-Filter Wheel (#5520), or with similar cameras. The H-alpha filter has a transmission of 90% at the hydrogen-alpha line of 656.3nm. The O-III filter passes light at the 500.7nm wavelength (the Oxygen-III line) with very high 90% transmission. And the S-II filter passes light at the 672.4nm wavelength (the Sulfur-II line) with 90% transmission. All three filters have a FWHM bandpass of 7nm. So if you're ready to go beyond RGB imaging and capture your favorite nebulas in a revealing new light a no matter how light-polluted your skies -- add our Extra-Narrowband CCD Imaging Filter Set to your imaging repertoire! Includes a protective plastic case for each filter. One-year limited warranty.
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