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OPTOLONG L-Pro EOS -C Professional Filter Ultrathin for CCD Camera DSLR Lens CA

Product Description

OPTOLONG EOS-C L-Pro Filter Suitable for CCD Camera DSLR Best Choice for Light Pollution Suppression 

The OPTOLONG L-Pro EOS -C is suitable the Camera type: 60D, 60DA, 7D Mark II, 80D/800D, 77D/70D/760D/750D/700D 650D/600D, 550D/500D, 400D, 100D/1100D/1200D/1300D. Notes, this Filter is not for EF-S camera Lens.

The L-Pro (L-Professional) filter is designed to improve the visibility of various deepsky objects. By selectively reducing the transmission of wavelengths of light pollutants, specifically those produced by artificial lightings including mercury vapor lamps, both high & low pressure sodium vapor lights and the unwanted natural light caused by neutral oxygen emission in our atmosphere (i.e. skyglow). Together with the highly transparent in main nebula emission lines at OIII(496nm and 500nm), H-beta (486nm), NII(654nm and 658nm), H-alpha(656nm) as well as SII(672nm), the filter is suitable for enhancing the contrast and details for both visual and photographic purpose at sub-rural area with heavy light pollution.

Main Use and Performance:

  • Ultra-thin filter cell minimize vignetting by maximize possible clear aperture
  • Aerometal Material | Precise CNC Machining | Sand Blasting Process | Black Anodized Finish | Extinction Treatment to Prevent Reflection | Laser Engraving No Fading
  • Multi-layers anti-reflection coating
  • Non-cementing optical substrate coating
  • Electron-beam gun evaporation with Ion-assisted deposition coating technology for durability and resistance to scratching, as well as stability on CWL (central wavelength) no deviation affected by temperature change.
  • Planetary rotation system offers precision and homogeneity of coatings ensuring high value on transmission of pass-band and Optical density of off-band.

Technical Data:

  • Schott substrate material
  • Thickness 2.0 mm
  • Surface Quality: 60/40 (Refer to MIL-O-13830)
  • Fine-optically polished to ensure accurate 1/4 wavefront and < 30 seconds parallelism over the both surfaces
  • High transmission at major nebula emission lines (i.e. H-alpha 656nm, OIII 496nm&500nm, SII 672nm and H-beta 486nm).
  • Precision off-band blocking, specifically the major emission lines of artificial light pollution (i.e. Na 589nm, Hg 435nm and 578nm).

Package Include:

  • OPTOLONG EOS-C L-Pro Filter
  • Sturdy Plastic Case

  

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Processing time:as the item description.

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A:Overseas Warehouse Local Dispatch

  • From US Local Dispatch: USA: 2-6 business days , other countries: 5-14 business days.
  • From UK Local Dispatch: UK: 1-5 business days , other countries: 3-8 business days.
  • From DE Local Dispatch: Deutschland: 1-3 business days , other countries: 2-5 business days.
  • From AU Local Dispatch: AU:2-6 business days.

B: China Domestic Dispatch

  1. CountryDelivery TimeWorking Days(not including holiday)5-78-1112-1415-1920-22>22Working Days+Saturday+Sunday5-910-1516-2021-2526-30>31United KingdomRate(item arrived)9.9%63.2%19.1%3.4%4.4%RefundAustraliaRate(item arrived)21.4%50%14.3%7.2%7.1%RefundFranceRate(item arrived)10.5%28.6%43.8%10.1%7%RefundGermanyRate(item arrived)11.1%22.2%30.3%20.9%15.5%RefundCanadaRate(item arrived)0%47.1%31.4%17.6%3.9%RefundSpainRate(item arrived)3.5%25%47.9%12.9%10.7%Refund
  2. You can pay extra shipping cost to get express delivery, such as EMS, DHL or UPS. It just takes about 5-10 business days to receive order, please contact us if necessary.

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    Feedback

    PushAuction

    On 10-Nov-18 at 04:40:18 EST, seller added the following information:

    DataCaciques

    Filed under: Eyepieces & Accessories