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SVBONY Blue Moon and Skyglow Filter for Astronomy Telescope Eyepiece Standard 1.25” Filter Thread Pure Optical Glass Lens Reduce Light Pollution

Description

  • 1.25" moon and skyglow filter is a multi-band pass filter transmitting a high percentage of light in the visual spectrum;the filter enhances contrast when observing brighter objects including the moon and planets
  • 1.25" skyglow and moon filter for telescope eyepiece cutting light pollution;the filter has a mild effect of darkening the background of the night sky so that the fainter objects are more clearly seen contrasted against the blackness of space
  • The filter effectively filters out selective wavelengths of low-pressure sodium and other man-made sources typically used in street lighting. Although it is not a nebula filter, it enhances the views of deep-sky objects by increasing the contrast of these objects against the background sky
  • Premium quality metal rim and thread with blue glass lens;the filter will fit all standard sized 1.25" eyepieces and accessories;it is mounted in a nicely anodized housing and is threaded on both sides for stacking with other filters if necessary
  • Lifetime warranty;we confidently promise lifetime warranty for each one from us

SVBONY 1.25” moon and skylow is a multi-band pass filter transmitting a high percentage of light in the visual spectrum;the filter enhances contrast when observing brighter objects including the moon and planets

It also will suppress sky glow from artificial lighting and background glow reflected when the moon is up

Mild effect of darkening background of the night sky
So that the fainter objects is more clearly seen contrasted against the blackness of space

Effectively filters out stray light
Filtering Selective wavelengths of low-pressure sodium and other man-made sources typically used in street lighting

It enhances the views of deep-sky objects by increasing the contrast of these objects against the background sky

While nebula filters transmit only a few select wavelengths corresponding to various atomic lines

The filter transmits a large portion of the continuous spectrum while blocking a few select lines of the more common man-made light

Neodymium provides a unique;selective;blocking feature in that this element greatly reduces glare without reducing important color and brightness variations

Features
1.25" skyglow and moon filter for telescope eyepiece cutting light pollution

Effectively filters out selective wavelengths of low-pressure sodium and other man-made sources

Premium quality metal rim;thread and blue glass lens

Fits all standard sized 1.25" eyepieces and accessories

Usage:the filter thread after thread eyepieces;rotate the filter into the eyepiece

Specification
Lens material: pure optical glass lens
Sleeve material: metal
Caliber: 1.25"/31.7mm
Total item length (including external thread): 0.39”/ 10mm
Total item length (excluding external thread): 0.28”/ 7mm
Clear aperture: 0.94”/ 24mm
Filter thread: M28.5x0.6

Package include
1 x SVBONY moon and sky glow filter

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SHIPPING

We are always working hard to ensure your package arrives as soon as possible. Please understand that some factors like weather, high postal traffic, and the performance of shipping companies are outside of our control.

We offer free shipping to the lower 48 states and ship within 2 business days of payment, usually sooner. We do not accept P.O. Boxes. Please provide a physical address.

For shipping outside of the continental USA, we only use eBay's Global Shipping Program.The item is shipped to KY and then sent to the rest of the world. International customers are responsible for all duties and taxes. Continue to check out in order to calculate costs for shipping the item to your country. Messages regarding eBay's Global Shipping Program MUST be directed at eBay EXCLUSIVELY.

RETURNS

We offer a 30-Day Return Policy on items which you are not completely satisfied with. You have the option for a full-refund or an exchange of the item. No returns are available on items shipped outside of the USA.

PAYMENT

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Filed under: Eyepieces & Accessories