Current Price: $54.99
Buy It Now Price: $54.99
Bids: 0

Store category

Sign Up Now !

You may also like

SVBONY SV115 18nm 1.25" O-III Filter Narrowband Cuts Light Pollution Filter for Astronomy Telescope

Product Description

SVBONY SV115 18nm 1.25" O-III Filter Narrowband Cuts Light Pollution Filter for Astronomy Telescope  Narrowband OIII filter is designed for nebula observation allowing 18nm bandwidth of light centered on a wavelength of 500nm through, which corresponds to OIII emission lines, and reducing the transmission of certain wavelengths of light, specifically those produced by artificial light including mercury vapor, and both high and low pressure sodium vapor lights and the unwanted natural light caused by neutral oxygen emission in our atmosphere (i.e. skyglow).  Features: 

  • Filter substrate is fine-optically polished to 1/4 wave and <30 parallelism over both surfaces.
  • Suitable for visual observation on most emission nebulae, planetary nebulae and supernova remnants.
  • Suitable for viewing on bright nebulae like M42 Orion Nebula in heavy light pollution.
  • Use with a large aperture telescope under clear and dark viewing conditions with good seeing.
  • Narrowband filter do not eliminate the effects of light pollution or increase the object's brightness. In many cases, they increase the contrast between nebula and night sky, not brightening the nebula.
  • Thin metal cells have a clear aperture of 26mm for 1.25" filters
  • Each filter comes with a plastic case with high pressure EVA case lining

Specification:

  • Blocking area: 400-700nm
  • Transmittance: 90% at 495.9nm and 500.7nm
  • FWHM: 18±2nm
  • Thickness: 1.85mm
  • Surface quality: 60/40 (Refer to MIL-O-13830)
  • Diameter: 1.25 inch
  • Weight: 40g

WARNING: The filters are not designed for sun observation. DO NOT LOOK AT THE SUN WITH this FILTER. You would be BLIND if you fail to observe the warning.  Package Includes

  • 1 x SV115 O-III 1.25" filter

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

    PushAuction

    On Jul-08-19 at 23:33:22 PDT, seller added the following information:

    DataCaciques

    Filed under: Eyepieces & Accessories