Sign Up Now !
You may also like
SVBONY SV115 18nm 1.25" O-III Filter Narrowband Cuts Light Pollution Filter for Astronomy Telescope
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
- 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
- We accept payment via PAYPAL .We only ship to confirmed Ebay addresses. Please make sure Your Ebay address is correct.
- All major credit cards are accepted through our secure payment processor PayPal.
- Payment must be received within 7 business days of auction closing
Processing time:as the item description.
- We will prepare the shipment in 48-72 hours(working days) after we receive the payment and after the eCheck is cleared.
only ship to the confirmed address provided by PayPal. Please make sure
the Ship-To address you type during checkout is correct. We are not
responsible for any wrong or undeliverable addresses.
strive our best to provide you the most reliable, affordable way of
shipping service. But sometimes international delivery is highly depended
on the Courier Company and local customs/duties. If you do not receive
your item on time, please contact us immediately for further assistance.
Thank you for your understanding.
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. We will try our
best to help customer do customs clearance.
A:Overseas Warehouse Local Dispatch
- From US Local Dispatch: USA: 2-6 business days , other countries: 5-14 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:Chinese Domestic Dispatch
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
- You can pay extra shipping cost to get express delivery, such as EMS, DHL or UPS. It just takes 3-7 business days to receive order, please contact us if necessary.
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 postPlease contact us before you return the item, we will offer you the right return address
- Our goal is to make sure you are a happy customer and pleasant shopping with us.
- If you are satisfied with the purchase and our total service, your comment is very important in our business success. Please take a minute to leave us a positive feedback with an overall Detailed Selling Rating (DSR) of 5.
- If you are not satisfied with your purchase in any way, Please give us the opportunity to resolve any problem. We understand the concerns and frustrations you might have, and will try our best to resolve the issues.
- 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.
On Jul-08-19 at 23:25:19 PDT, seller added the following information:
Filed under: Eyepieces & Accessories