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SVBONY 1.25" CLS City Light Suppression Light Pollution Broadband Filter Suitable for Visual & Astronomical Photography
The SVBONY City Light Suppression broadband 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.
- 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.
- Ultra-thin filter cell minimize vignetting by maximize possible
- Aerometal Material Precise CNC Machining Sand Blasting
- Process Black Anodized Finish Extinction Treatment to
- Prevent Reflection Laser Engraving No Fading
- 90% transmission of main nebula emission lines (i.e. Ha 656nm, OIII 496nm&500nm, SII672nm and H-beta 486nm).
- 0.1% transmission of off-band, specifically the major
emission lines of artificial light pollution (i.e. Na 589nm, Hg 435nmand
- Suitable for color CCD cameras and unmodified DSLRs
- CLS with wider pass-band than UHC and hence is more favored when observing under mild to moderate light pollution.
- Light pollution 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
- WARNING: The filters of SVBONY are not
designed for sun observation. DO NOT LOOK AT THE SUN WITH SVBONY FILTER.
You would be BLIND if you fail to observe the warning.
- Brand: SVBONY
- Type: City Light Suppression Filter (CLS Filter)
- Material: Optical glass lens, Aluminum Frame
- Shape: Round
- Barrel diameter: 1.25''
- Thread: Standard M28.5*0.6mm
- Net Weight: 5.2g / 0.18oz
- SVBONY 1.25 inch CLS Filter
- Sturdy Plastic Case
- We accept payment via PAYPAL ONLY. We only ship to confirmed PAYPAL addresses. Please make sure payment address in PayPal 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 after we receive the payment and after the eCheck is cleared.
- We 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.
- We 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.
- 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. 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 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: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
- 2.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.
- All items in our shop are covered by one year warranty.
- 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.
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- 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.
- If you want more items or make wholesale order, feel free to contact us. We will offer you a good discount!
On Mar-28-18 at 23:03:23 PDT, seller added the following information:
Filed under: Eyepieces & Accessories