Current Price: $140.99
Buy It Now Price: $140.99
Bids: 0

Store category

Sign Up Now !

You may also like

SVBNOY H-Alpha 7nm 2" Filter Narrowband Astronomical Photographic CCD Filter for Deep Sky

Product Description

Because H-Alpha is 656nm mainly through the high permeability of the spectrum, and 656nm spectrum of the color presented by the red-based, 300-1100nm cut-off depth to get the details of the launch nebula richer. Extremely narrow bandwidth allows only the 656nm band to pass through the filter, can effectively cut off the artificial light Na lamp and Hg lamp interference to make the transmission line through, so as to improve the nebula contrast. With CCD is better choice for deep sky photography and wide-field astrophotography.

Craftsmanship:

  • Optical high-precision double-sided polishing to ensure that the parallelism is higher than 30 "and high flatness 1 / 4λ, to ensure that does not affect the image quality of the image.
  • Precision double-sided optical coating, non-two-piece glue, effectively improve the transmittance and cut-off depth.
  • Electron Gun Evaporation Technology (E-Beam Gun)
  • Ion source assisted coating technology (IAD), to improve the density of the film to ensure that the filter wavelength to minimize the impact of temperature caused by the temperature drift.
  • High uniformity planetary wheel coating fixture to improve the uniformity of the filter wavelength
  • Optical equipment professional fine sandblasting and anode treatment, the box to do extinction treatment to prevent reflection
  • Laser engraving LOGO-never fade, fade
  • Metal frame, superior aviation aluminum

Features:

  • High cutoff is effective has been the light damage and other stray light interference
  • Using Germany imported glass, using double-sided polishing processing
  • For the emission line 656nm transmittance of 85% or more
  • The narrow-band filter, even in areas where light pollution is heavy, and the full moon (the moon's largest and brightest) is the same, very narrow bandwidth, which reduces the interference of the external environment, but the haze and cloudy The weather is not possible.
  • Precision CNC integrated molding
  • Multi-layers anti-reflection coating
  • Frame with high-quality aluminum alloy material, anodized extinction treatment
  • Thread: M48*0.75
  • Lined with double-layer EVA damping cotton
  • Carton PP environmentally friendly materials, simple and beautiful

Package Includes:

  • SVBNOY 2" H-Alpha 7nm Filter
  • PP Material Plastic Box

Our Store Porduct Include
Delivery details
Payment
Returns
Contact us

Our Store Porduct Include

—Binoculars & Telescopes—Cameras & Photos & Accs—Home&Garden&Ac​cess Control—Wireless calling paging system—Walkie Talkie—Radio Parts&Accs—Portable AM/FM Radios
 

 
????online

Delivery details

NOTICE: Custom fee (including VAT&GST): Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility. Please check with your country's customs office before bidding!!!

Payment

  • After winning the auction, an email with checkout procedure will be sent to your eBay registered email address outlining your checkout procedure. All payments must go through our checkout.
  • We accept paypal !
  • Full payment must be received within 10 working days after the auction is closed. Unpaid item (UPI) complaint will be filed with eBay upon non-receipt of payment. Please contact us as soon as possible if you have problems on making payment.
  • Bidding on multiple auctions? Simply wait until all of the auctions have ended, and then complete the checkout from the most recent email that received from us.

Returns

  • We
    stand behind every product we sell. If you're not pleased with your
    purchase, we'll be happy to make an exchange or refund the product price
    less S&H within 30 days of your purchase via parcel post.
  • Please contact us before you return the item, we will offer you the right return address
  • For
    any exchange or refund, we need the product must be in its original
    receipt, including the box, packaging and all the accessories.
  • Buyers are responsible for the returning shipping cost. Shipping and handling charges are not refundable.
  • Refund
    and replacement: Once the carrier has received your item, Please allow
    up to 10 business days for returns to be processed.
  • If
    you cannot return it, you can sell it, too!! Been holding on to
    something past its return date? You can sell it online on eBay! Find its
    exact match on eBay and click the "Sell an item" button. It's easy.

Contact us

  • Do not hesitate to contact us anytime before and after your purchase through the clicking "ASK A QUESTION' and we are committed to your 100% customer satisfaction or you can contact us
  • Our working time: 8:00am-18:00pm (Beijing Time). Because of time-difference, we cannot give you a quick reply sometimes. Please wait for some more time.

    Feedback

    PushAuctionBecause H-Alpha is 656nm mainly through the high permeability of the spectrum, and 656nm spectrum of the color presented by the red-based, 300-1100nm cut-off depth to get the details of the launch nebula richer. Extremely narrow bandwidth allows only the 656nm band to pass through the filter, can effectively cut off the artificial light Na lamp and Hg lamp interference to make the transmission line through, so as to improve the nebula contrast. With CCD is better choice for deep sky photography and wide-field astrophotography.

    On Mar-23-19 at 02:32:22 PDT, seller added the following information:

    DataCaciques

    Filed under: Eyepieces & Accessories