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Dual-band Pass Filter Designed For DSLR CCD Control From Lights Polluted Skies
Dual-band Pass Filter Designed For DSLR CCD Control From Lights Polluted Skies
Dual-band Pass Filter Designed For DSLR CCD Control From Lights Polluted Skies
Dual-band Pass Filter Designed For DSLR CCD Control From Lights Polluted Skies
Dual-band Pass Filter Designed For DSLR CCD Control From Lights Polluted Skies

Dual-band Pass Filter Designed For DSLR CCD Control From Lights Polluted Skies

$ 169.98

Availability: 100 in stock
  • Item must be returned within: 60 Days
  • Return shipping will be paid by: Buyer
  • Refund will be given as: Money Back
  • Brand: Does not apply
  • Type: Does not apply
  • All returns accepted: Returns Accepted
  • Condition: New

    Description

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    OPTOLONG 2" L-eNhance Filter Dual-band Pass Filter Designed for DSLR CCD
    Product Description
    The relentless spread of urbanization and its associated light pollution have become a growing problem for all amateurs and astro photographers. The current solutions to the problem can be expensive and might include the purchase of a monochrome camera, several types of narrowband filters and a filter wheel.
    L-eNhance provides an economical and practical solution for amateurs. It is a dual-band pass filter which has been designed for DSLR (digital SLR), color CMOS and CCD cameras. The convenience and cost effectiveness of this filter allows amateurs to image a rich selection of astronomical images, even in bright, heavily light-polluted areas.
    Optolong believes the design of our L-eNhance filter is a technical innovation among filters. It effectively isolates the H-Alpha, H-Beta, and Oxygen III nebula emission lines and achieves a maximum transmission of up to 90%. The performance of this filter delivers images that superbly control the impact from light polluted skies.
    L-eNhance Filter Spectrum Curve:
    According to the characteristics of celestial body emission lines and feature of light pollution span of spectrum, Optolong specially designed and optimized dual-band L-eNhance filter in order to retain the prominent color of nebula RGB while blocking out most of light pollution.
    Technical Data:
    1.     Substrate:   B270
    2.     Thickness:  1.85mm
    3.     Tpeak:  T>90%
    4.     Blocking range: 300-1000nm
    5.     Blocking depth: light pollution line blocking >99%
    6.     Surface quality: 60/40
    7.     Transmitted Wavefront RMS:    λ/4
    8.     Parallelism (arcsec): 30s
    Package Includes:
    l
    OPTOLONG 2"L-eNhance Filter
    Sturdy Plastic Case
    Picture show
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