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SVBONY Telescope Filter, 1.25 inches UV IR Cut Block Filter, Bundle with UHC Filter CLS Filter, Keep Planetary Images Sharp and City Light Pollution Reduction Filter, Astrophotography

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$68.50

$ 33 .99 $33.99

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About this item

  • This UV/IR Cut off filter blocks undesirable ultraviolet and infrared rays that may interfere with obtaining the high contrast and high quality images possible with a digital sensor
  • It serves as a permanent lens protector;digital imaging with DSLR cameras;CCD cameras;and modified WebCams;or telescope
  • UHC filters or light pollution reduction filters are designed to selectively reduce the transmission of certain wavelengths of light;especially those produced by artificial light
  • Sky background is darker;and contrast of emission nebulae are noticeably improved; the perfect filter for viewing nebula from light polluted skies; or for boosting the contrast of nebula from dark sky sites
  • Planetary rotation system offers precision and homogeneity of coatings ensuring high value on transmission of pass-band and Optical density of off band


Product Description

telescope filter

Main points:

  • City Light Suppression Broadband Filter

SVBONY city light suppression broadband filter is designed to improve the visibility of various deep sky objects.

Extinction Treatment: aerometal material precise CNC machining sand blasting process black anodized finish extinction treatment to prevent reflection laser.

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 possible.

  • UHC Filter

It works by darkening the background so you can see more nebulosity that would otherwise be too faint. This filter allows one to really see small planetary nebulae that would otherwise be washed out by the background, such as the M42 Nebula, the Dumbbell Nebula, and the Lagoon Nebula.

  • UV IR Cut Block Filter

The UV-IR cut filter combine with any of the other Baader filters screws into the back of the eyepiece or camera adapter to block out the chromatic aberration unwanted.

Works great and increases the contrast

The sky is much darker than without it.

Excelent Light Pollution Filter. However, it does cause a halo. If you turn down the exposure it does fade or fade enough to be noticeable.

If no light difference

The reason may be that the spectrum of the light source and the spectrum of the light filter have overlapping conflicts; The reason may be that the spectrum of the light source and the spectrum of the light filter have overlapping conflicts; You can change the environment to test if there is any change (Better on 8-inch telescopes)

UHC Filter

Specifications

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
Glass Thickness 1.85mm

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