Eickhorst - Spectroscope SPO-HR



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Spectroscope Optical System SPO-HR

		High Resolution (HR) prism spectroscope optical system. AMICI type of 7° prism dispersion C-F (656 - 486nm). Directly readable wavelength scale 760 - 390nm. Spectral colour distribution: red left side, blue right side. Deliniation intervals 5nm resp. 2nm. High-quality precision slit, fine adjustable. Safety stop to avoid damage of slit jaws. Dust protection by front glass.


Features

	Wavelength Scale		Slit Control
	Range from 760 - 390nm with special marking at 590nm for calibration at 589nm.		Dial ring for stepless adjustment from 2 - 0.01mm.

	Focusing the Spectrum		Focusing the Scale
	Slide the eyepiece draw tube for focused lines and bands.		Slide the scale draw tube for a focused scale.

	Cross Section of SPO-HR		Scale Calibration
	Enlarge...		Adjustment screw to calibrate the scale to the 589nm wavelength of sodium light.

	Evolution of Spectroscopes
	See a chronological overview of these famous German spectroscope optics here.