Sale! The Star Analyser 100 from Shelyak Instruments: is a high efficiency 100 lines/mm transmission diffraction grating, blazed in the first order.Mounted in a standard 1.25-inch diameter threaded cell, this filter is compatible with most telescopes and accesso
The Star Analyser 100 from Shelyak Instruments: is a high efficiency 100 lines/mm transmission diffraction grating, blazed in the first order.
Mounted in a standard 1.25-inch diameter threaded cell, this filter is compatible with most telescopes and accessories. It was designed to produce low resolution spectrum images of a wide range of pin-point astronomical objects as easy as possible.
Cost: $25
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Delivery Time:
It usually takes [3-5] business days for standard shipping. Please note that this is an estimated time frame and may be affected by local holidays, and unforeseen circumstances.
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