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  1. Astronomik - OIII 12nm CCD Filter - 31mm Round Unmounted


    Wait Time is 3-5 Days

    The Astronomik OIII CCD filter is a narrow band emission-line-filter for CCD photography. The filter lets the light of double ionized Oxygen of emission nebulae pass and blocks nearly the whole remainder of the spectrum.

  2. Astronomik - LRGB Filter Set - 36mm Round Unmounted - Type 2c

    SKU: ASN-LRGB-36

    Wait Time is 3-5 Days

    These filters provide a natural color reproduction of planets, stars, emission- and reflection nebulas.

    FREE SHIPPING(48 States)
  3. Astronomik - Dark Filter - 1.25"


    Wait Time is 3-5 Days

    Do you have a CCD camera without a mechanical shutter and would like to do dark frames without continually monitoring your equipment?

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Astronomik is very proud to manufacture and sell the most superior and innovative optical filter products for astronomy in the world and to be distinguished by Sky & Telescope magazine with their highly coveted S&T Hot Product 2009 award. Astronomik filters are used worldwide by leading professionals and amateurs on instruments of all sizes. Our customers appreciate their uncompromising pursuit and dedication to never-ending improvements which meet and surpass the most stringent standards.

As a testament to Astronomik's high quality standards, each production step is carefully controlled for all of their filters, documented and assigned a serial number. When you own an Astronomik Filter you needn't worry if good glass was used, or that the coating process worked well, or the threads were machined properly. You can be sure that each filter was manufactured with the utmost care, control, and the Golden Seal of "Astronomik Quality Control" was placed on the outer box after the filter was packed!

Astronomik CCD and visual interference filters are produced in Germany using high-quality manufacturing standards and mathematical precision. The coatings on all of these filters, including Oxygen III (OIII), H-Beta, H-Alpha, UHC, SII, IR-Cutoff, CLS, and RGB, are amazingly durable. They are almost impossible to scratch, and are completely sealed and insensitive to moisture. Because of these outstanding characteristics, Astronomik confidently offers a 10-year warranty on all of their filters.