Svbony SV231 Fringe Killer Color Correction Filter 1.25/2inch for Lunar and Planetary Surfaces - W9186A / W9186B

SvbonySKU: W9186A

Size: 1.25"
Price:
Sale price$52 CAD
Stock:
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Description

The color correction filter blocks defocused light in the blue spectrum, as well as in the red part of the spectrum (IR) above 700nm, usually seen in small achromat telescopes.

Features

1.Hight Quality Coating: Plasma-enhanced dielectric coatings result in hard, scratch-resistant and waterproof filters. 
2.The color correction filter blocks defocused light in the blue spectrum, as well as in the red part of the spectrum (IR) above 700nm, usually seen in small achromat telescopes.
3.The smaller details on craters of the Moon and planetary surfaces are so much more visible.
4.Can be used well before the focal point of the optical system, without any loss of sharpness, as a single filter in front of a binocular for a focal projection with digital cameras.
5.The NIR is fully blocked up to 1150nm. Details on planets are shown much clearer when using CCD/CMOS-cameras.

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Correct Chromatic Aberration

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Block Light Pollution and Reduce Noise

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OD  Optical Density > 4

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UV and IR Cut

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AR Coating

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Plasma Coating

Plasma-enhanced dielectric coatings result in hard, scratch-resistant and waterproof filters. 

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Double-sided Thread Design

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Focus Photography of Digital Camera

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Use With SV503 ED Telescope

It can be used well before the focal point of the optical system, without any loss of sharpness, as a single filter in front of a binocular for a focal projection with digital cameras.

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Use With SV48P Telescope

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Various Application Scenarios

The smaller details on craters of the Moon and planetary surfaces are so much more visible. The NIR is fully blocked up to 1150nm. Details on planets are shown much clearer when using CCD/CMOS-cameras.

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Specifications

Brand  SVBONY SVBONY
Model  SV231 SV231
Filter Usage  Color Correction Filter Color Correction Filter
Type of Filter  Bandpass Bandpass
Size 1.25" 2"
Substrate Thickness 1mm 1mm
Clear Aperture 26mm 44mm
Wavelength Range 300-1200nm 300-1200nm
Blocking >OD2 >OD2
Peak transmittance >95% >95%
Surface Quality 60/40 60/40
Surface parallelism 1/2λ 1/2λ
Thread  M28.5x0.6 M48x0.75
Single Thread  Yes Yes
Net Weight 4.2g /0.15oz 9.9g /0.35oz

Additional Resources

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