Pocket Diffraction Spectroscope Handheld Spectroscope Detect The Absorption Of For Quick IdentificationDescription:Ever wonder how do we know the composition of and stars far away in the universe? The answer is spectrometer, the amazing equipment that can analyze light spectrum from any light source. You have read it in text books, have it in your hand and observe for Sun's emission spectrum yourself!The spectroscope is optical glass. The composite prism and converging lens are installed in the vertical tube. Hold the spectroscope tube, the slit facing the light, a parallel is generated from the slit and converging lens. When the parallel pass through the prism, the dispersion spectrum can be directly observed. If the light source is fluorescent light, against the background of the continuous spectrum, can see the line of for (three straight lines).When use it for sun light observation, please use for sun's reflected light from a (Do not directly face the for sun). This product can be used for a variety of light spectrum analysis. It is a high-resolution, simple, and economical product for hobbyist, amateur scientists, student lab and science fair projects Specifications: Optical Glassfor Shell Color: BlueSize: 10x2.4x2cm/3.94x0.94x0.79"Quantity: 1 PcNote:Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bidDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package Contents:1 x Handheld Spectroscope1 x User Manual