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spectroscope JJY
An optical device for producing and observing a spectrum of light or radiation from any source, consisting essentially of a slit through which the radiation passes, a collimating lens, and an Amici prism.
High precision spectroscope JJY-4
Minimum scale:0.01mm, Clear aperture: φ33mm
spectroscope JJY-2
Optical system uses gear, gear rack inner-adjustment, driven smoothly, reliably and used easily, Ocular adjustment uses the multi-screw for connection, rotated comfortably.