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optolong astro filter h-alpha 7nm  For Sale


optolong astro filter h-alpha 7nm 



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optolong astro filter h-alpha 7nm :
$150

optolong astro filter h-alpha 7nm. Condition is Used. Shipped with USPS First Class Package. bought for EOS 3TI
from optolong style="padding:0px; margin:0px 0px 10px 25px; color:rgb(0, 0, 0); font-family:Arial, sans-serif; font-size:14.6667px; font-style:normal; font-variant-ligatures:normal; font-variant-caps:normal; font-weight:400; letter-spacing:normal; orphans:2; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; background-color:rgb(255, 255, 255); text-decoration-style:initial; text-decoration-color:initial;">
  • 1.25"
  • 31mm(unmounted)
  • 36mm(unmounted)
  • EOS-C
  • Other customized size please send email for inquiry
  • CWL(centre wavelength): 656.3nm
  • Fwhm: 7nm
  • Tpeak: <85%
  • Coating Wavelength: 300-1100nm
  • Optical Denisity: OD3
  • Surface Quality: 60/40
  • Transmitted Wavefront RMS:λ/4
  • Parallelism (arcsec): 30s
  • Fine-optically polishing for double-sides—— Ensure accurateλ/4 wavefront and <30 seconds parallalism over the both surfaces
  • Ultrasonic wave cleaning substrate with purified water—— Cleanup by 13 purified water tank to remove inpurities and dust effectively

  • Iro source assisted coating—— For durability and resistance to scratching, as well as stability on CWL (central wavelength) no deviation affected by temperature change.

  • Constantly stringent quality testing processes—— Each filter was tested by spectrophotometer and laser interferometer testing spectrum and wavefront to ensure market filter is qualified product

  • Optolong will spare no effort to serve our customer with outstanding quality products and best servise!

  • Our vision is your astro imaging perfection

    Product Details

    Detailed description coming soon. Item is in stock and ready to ship.

    Compatibility List:

    Warning: The use of EOS-C clip filters is not possible when using Canon EF-S lenses.

    This filter will/will not work with the following camera models:

    • Canon 450D Rebel XSi Yes
    • Canon Digital Rebel XS (digital) Yes
    • Canon Digital Rebel XSi Yes
    • Canon EOS 1000D Yes
    • Canon EOS 450DNo
    • Canon EOS 500D Yes
    • Canon EOS Kiss F Yes
    • Canon EOS Kiss X2 Yes
    • Canon EOS Kiss X3 Yes
    • Canon EOS Rebel T1i Yes
    • Canon EOS 6D Yes
    • Canon EOS 60D + 60Da Yes
    • Canon EOS 7D Yes
    • Canon EOS 70D Yes
    • Canon EOS 50D Yes
    • Canon EOS 650D Yes
    • Canon EOS 600D Yes
    • Canon EOS 550D. Yes
    • Canon EOS 700D Yes
    • Canon EOS 1100D Yes
    • Canon EOS 1200D Yes
    • Canon EOS 40D Yes
    • Canon EOS 30D Yes
    • Canon EOS 20D Yes
    • Canon EOS 10D Yes
    • Canon EOS D60 Yes
    • Canon EOS D30 Yes
    Additional Information

    About Optolong

    While Optolong is a relative newcomer to the astronomy industry, they are no strangers to optics and filters. Optolong is a division of Yulong Optics Company, a high tech company specializing in optical filter design and production. Their products include bandpass filters, flourescence filters, edge filters, longpass and shortpass filters, beam splitters, anti-reflection coatings, optical mirrors and, of course, astronomical filters.Established in 1999 and based in Kunming City, China, Optolong/Yulong provides nearly 2000 types of optical filter coatings annually to customers worldwide in a wide variety of industries and applications. We invite you to learn more about Optolong/Yulong, their products, facilities, and processes by viewing the short video below:



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