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New Optolong Filter 2-inch L-Quad Enhance Filer Professional L-Quad Enhance Filter (L-QEF)

New Optolong Filter 2-inch L-Quad Enhance Filer Professional L-Quad Enhance Filter (L-QEF)

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  • Optolong L-Quad Broadband Light Pollution Filter - 2" Mounted # L-QEF
    169.00
    Agena Astro

    Optolong L-Quad Broadband Light Pollution Filter - 2" Mounted # L-QEF

    Delivery date & cost shown at checkout

  • Optolong 2 L-Quad Enhance Filter
    169.00
    High Point Scientific

    Optolong 2 L-Quad Enhance Filter

    Delivery date & cost shown at checkout

  • Optolong L-Quad Enhance Filter (L-QEF)
    229.00

    Optolong L-Quad Enhance Filter (L-QEF)

    Delivery date & cost shown at checkout

  • Optolong L-QEF L-Quad Enhance Filter 2"
    217.00

    Optolong L-QEF L-Quad Enhance Filter 2"

    Delivery date & cost shown at checkout

  • New Optolong Filter 2-inch L-Quad Enhance Filer Professional L-Quad Enhance Filter (L-QEF)
    188.00
    Amazon.com

    New Optolong Filter 2-inch L-Quad Enhance Filer Professional L-Quad Enhance Filter (L-QEF)

    Delivery date & cost shown at checkout

  • 2" L-quad Enhance Filter For Continuous Spectral Target/light
    195.01
    eBay

    2" L-quad Enhance Filter For Continuous Spectral Target/light

    Delivery date & cost shown at checkout

  • Optolong 2" L-quad Enhance 4-channel Color Filter For Designed Light
    209.99
    eBay

    Optolong 2" L-quad Enhance 4-channel Color Filter For Designed Light

    Delivery date & cost shown at checkout

  • Optolong 2" L-quad Enhance Filter 4-channel Color Filter For
    164.55
    eBay

    Optolong 2" L-quad Enhance Filter 4-channel Color Filter For

    Delivery date & cost shown at checkout

  • Optolong 2" L-quad Enhance Filter For Continuous Spectral Target/light
    176.33
    eBay

    Optolong 2" L-quad Enhance Filter For Continuous Spectral Target/light

    Delivery date & cost shown at checkout

  • Optolong 2" L-Quad Enhance Filter for Continuous Spectral Target/Light Polluted | 1 Year Warranty | 2.0 in | China
    156.32
    eBay

    Optolong 2" L-Quad Enhance Filter for Continuous Spectral Target/Light Polluted | 1 Year Warranty | 2.0 in | China

    Delivery date & cost shown at checkout

  • Optolong 2inch L-quad Enhance Filter 4-channel Designed For Color
    181.99
    eBay

    Optolong 2inch L-quad Enhance Filter 4-channel Designed For Color

    Delivery date & cost shown at checkout

  • Optolong Filter 2-inch L-quad Enhance Filer Professional L-quad
    276.69
    eBay

    Optolong Filter 2-inch L-quad Enhance Filer Professional L-quad

    Delivery date & cost shown at checkout

  • Optolong L-quad Filter 2-inch Filter Professional L-quad Enhance
    189.00
    eBay

    Optolong L-quad Filter 2-inch Filter Professional L-quad Enhance

    Delivery date & cost shown at checkout

  • Optolong L-Quad migliora il filtro della luce a quattro canali da 2 pollici (disponibile per una
    223.27
    AliExpress

    Optolong L-Quad migliora il filtro della luce a quattro canali da 2 pollici (disponibile per una

    Delivery date & cost shown at checkout

Product Details

L-Quad Enhance Filter is a quad bandpass light pollution suppression filter for colour cameras. It effectively suppresses the transmission of light pollution wavelengths, especially light pollution generated by artificial lighting (including mercury and sodium lamps), as well as the effects of natural skylight-induced effects on the shot, thus effectively enhancing the contrast and details of the celestial bodies, and making the objects more distinct and stereoscopic. This filter provides better
▲Better suppression of starbursts; Higher contrast and more details of the celestial bodies; Better colour saturation; Better signal-to-noise ratio (SNR); ▲Near IR cut-off to 1000nm, reducing the effects of IR noise; ▲L-QEF has more than 90% transmittance of the nebula emission lines at H-Beta/OIII/H-Alpha/SII, with cut-off depth from OD2 to OD4, thus providing a significant increase in resistance to light pollution. L-QEF is good for night sky from Bortel 1 to Bortel 7 levels; (Bortel 8, Bortel

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