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IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
Shelyak 530 nm UVEX order filter kit

Shelyak 530 nm UVEX order filter kit

by Shelyak
SKU SHK-SE0248
$187.00 - $187.00
$187.00
$187.00 - $187.00
$187.00
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  • Designed for the Shelyak Instruments UVEX Spectrograph
  • Suppresses 2nd Order Near-Infrared (IR) Spectral Contamination
  • Ensures Cleaner, More Accurate Spectroscopic Data
  • Mounts directly to the rear of the UVEX slot support
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  • Description
  • FAQ
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  • Warranty

  • 530 nm UVEX order filter kit

    The 530 nm UVEX order filter kit is a critical accessory for the Shelyak UVEX spectrograph, engineered to solve the specific problem of second-order spectral contamination. When observing targets with significant near-infrared (IR) emissions, this filter prevents false signals from appearing in your visible spectrum, ensuring the data you collect is clean. By suppressing this unwanted second-order light, the 530 nm filter allows for unambiguous identification of spectral features.

    Eliminate Spectral Contamination: The 530nm UVEX Order Filter

    In spectroscopy, a diffraction grating can produce multiple spectra, or "orders." The second order of a near-IR wavelength can overlap with the first-order spectrum of a visible wavelength, creating an artifact that corrupts your data. This 530 nm order filter is designed to block this specific type of contamination, making it essential for achieving scientific-grade results with your UVEX.

    The filter is designed for straightforward integration, screwing directly onto the rear of the UVEX's slot support. This placement ensures it effectively filters the light path without complicating your imaging train, resulting in cleaner spectra and more reliable measurements of stellar classifications, emission lines, and other astrophysical phenomena.

  • What is the primary purpose of the 530 nm UVEX order filter kit?

    The primary purpose of the 530 nm UVEX order filter is to suppress the second order of the near-infrared (IR) spectrum. This prevents false spectral lines from IR sources from contaminating your visible-light spectrum, leading to cleaner and more accurate scientific data.

    When observing a Be star with my UVEX, do I need the 530 nm order filter?

    Yes, observing a Be star is an excellent use case for this filter. Be stars often have strong hydrogen-alpha emission in the red part of the spectrum and can have significant IR emission. Using the 530 nm filter ensures that the second-order light from this IR emission does not create artifacts in the blue-green portion of your spectrum, allowing for accurate characterization of the star's properties.

    If I'm observing the H-alpha line at 656nm with my UVEX, is this filter necessary?

    When your primary target is a red-end wavelength like H-alpha (656nm), which is above the filter's likely cutoff, this filter is generally not needed and would block the light you intend to measure. This filter is most useful when you are observing targets in the blue and green parts of the spectrum (below 530 nm) and want to eliminate contamination from IR sources.

    How is the 530 nm UVEX order filter installed?

    The filter is designed to be screwed directly onto the rear of the UVEX slot support. This simple and secure mounting method integrates the filter seamlessly into the spectrograph's optical path.

    Will the 530 nm UVEX filter impact the brightness or focus of my spectrum?

    Like any filter, it will cause a minor reduction in light throughput, but this is a necessary trade-off for eliminating significant spectral contamination. The impact on focus should be negligible, as it is a thin, high-quality optical component designed specifically for the UVEX system.

    Is the 530 nm order filter required for all observations with the Shelyak UVEX?

    No, it is not required for all observations. It is specifically needed when you are concerned about second-order contamination from near-IR sources. If you are observing targets with little to no IR emission, or if your scientific goals are not impacted by potential low-level contamination, you may not need to use it.

  • Shelyak 1-Year Warranty