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  1. Shelyak Instruments Star Analyser 100 and M42-31.75 Adapter

    Shelyak Instruments - Star Analyser 100 and M42-31.75 Adapter

    The Star Analyser 100 is a high efficiency 100 lines/mm transmission diffraction grating, blazed in the first order. It is mounted in a standard 1.25 inch diameter threaded cell, to be compatible with most telescopes and accessories. It has been designed to make the production of low resolution spectrum images of a wide range of point like astronomical objects as easy as possible.

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    Model#: PF0003+BA0016
    $239.95

  2. Shelyak Instruments Star Analyser 200-F Filter

    Shelyak Instruments - Star Analyser 200-F Filter

    The Star Analyser 200-F is a high efficiency 200 lines/mm transmission diffraction grating, blazed in the first order. It is mounted in a standard 1.25 inch diameter low profile threaded cell, therefore fitting well with most telescopes and accessories and in thin filter wheels.

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    Model#: pf0040
    $235.00

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