The S41 miniature single-channel lens spectrometer is made with the use of three-lens achromats-anastigmats as collimator and camera. The S41 contains a built-in detector based on the S8378-512Q Hamamatsu linear image sensor with 12.8 mm active area. Full-Speed USB interface provides connection with the computer and power supply. 
Ar-lamp spectrum recorded with the S41 spectrometer
Applications
spectral analysis of light sources
spectrometric research
analysis of object colouring, etc. See specifications here
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