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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 Lhires III Slit Holder

Shelyak Lhires III Slit Holder

by Shelyak
SKU SHK-SE0192
$143.00 - $143.00
$143.00
$143.00 - $143.00
$143.00
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  • Enables rapid slit changes for the Lhires III spectroscope
  • Improves observational efficiency in the field
  • Compatible with standard, wide, and photometric slits
  • Securely holds slits for repeatable results
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  • Description
  • FAQ
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  • Warranty

  • Lhires III Slit Holder

    The Shelyak Lhires III Slit Holder is an essential accessory designed to significantly streamline your spectroscopic workflow. It allows for the rapid exchange of different slits, enabling you to quickly adapt the Lhires III spectroscope for various observational targets and scientific goals. This holder is compatible with Shelyak's wide, photometric, and standard slits, providing critical operational flexibility during an observing session.

    Streamline Slit Changes on the Lhires III

    For observers using the Lhires III for multiple projects in a single night, changing slits can be a time-consuming process. The Lhires III Slit Holder eliminates this bottleneck by allowing you to swap between different slit types in seconds. This ensures you spend more time acquiring data and less time reconfiguring your instrument in the dark.

    Adapt to Multiple Spectroscopic Targets

    This holder is the key to unlocking the full scientific potential of your Lhires III by providing a secure and repeatable mounting point for Shelyak's range of specialized slits.

    • Standard Slits: Use for general-purpose, high-resolution stellar spectra of bright targets.
    • Wide Slits: Switch to these for capturing more light from faint objects like comets or nebulae, sacrificing some resolution for a stronger signal.
    • Photometric Slits: Install for precise brightness measurements, where capturing the total flux from a star is more critical than fine spectral detail.

  • What is the main advantage of using the Lhires III Slit Holder?

    Efficiency. The primary benefit of the Lhires III Slit Holder is the ability to change slits very quickly without complex disassembly of the spectroscope. This saves valuable observing time and allows you to adapt your instrument to changing targets or conditions with minimal downtime.

    Which slits are compatible with the Lhires III Slit Holder?

    The Lhires III Slit Holder is specifically designed to be used with the family of slits made by Shelyak for the Lhires III spectroscope. This includes their standard, wide, and photometric slits.

    Do I need a separate Lhires III Slit Holder for each slit I own?

    No, a single holder is installed in the spectroscope, and you can insert your various slits into it. However, some advanced users purchase multiple holders and pre-install their most-used slits to make field swaps nearly instantaneous.

    If I am studying a Be star like Gamma Cassiopeiae and then a faint comet, how does the Lhires III Slit Holder help?

    This is a perfect use case. You would use a narrow, standard slit for the high-resolution spectrum of the bright Be star. With the Lhires III Slit Holder, you can then quickly swap to a wide slit to maximize light collection from the faint, diffuse comet, all without a lengthy and difficult reconfiguration in the dark.

    I want to perform photometry on an eclipsing binary with my Lhires III. Which slit should I use with the holder?

    For photometry, you would use the dedicated photometric slit with your Lhires III Slit Holder. This type of slit is designed to ensure all the starlight enters the spectroscope, which is critical for accurate brightness measurements, even if it results in lower spectral resolution.

    Is installation of the Lhires III Slit Holder difficult?

    The holder is designed for straightforward integration into the Lhires III spectroscope body. For detailed instructions, please refer to the official Shelyak Lhires III user manual, which covers the replacement of the slit assembly.

  • Shelyak 1-Year Warranty