Feature(may vary by option.)

●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
●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
●Standard filter thread for any 1.25” telescope eyepiece and other accessory;comes with a plastic box to keep it safe and clean when not in use;Its a great birthday christmas gift

[1.25 inch]




[2 inch]





Description

1.25 inches blue moon filter to improve the image contrast of observed objects

Planetary FilterPlanetary Filter

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. Suppresses skyglow from artificial lighting and background glow reflected from moonrise.

Features

  • 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.
  • 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.

Planetary FilterPlanetary Filter

SVBONY Planetary Filter is a item for observing the planet.

When you observe the planet, the planet will irritate your eyes and cause eye diseases. It can alleviate this pain and damage to you by the planet.

Specifications

Lens material: pure optical glass lens
Sleeve material: metal
Caliber: 1.25"/31.7mm
Total item length: 0.39”/ 10mm (including external thread)
Total item length: 0.28”/ 7mm (excluding external thread)
Clear aperture: 0.94”/ 24mm
Filter thread: M28.5x0.6
Glass Thickness: 1.85mm