Portable low-cost open-source wireless spectrophotometer for fast and reliable measurements - ScienceDirect
Visible spectrophotometer - V series - J.P Selecta - single-beam / benchtop
Handheld Spectrophotometer Auto Calibration Color Difference Tester 11mm Test Aperture IPS Touchscreen Rechargeable Portable Colorimeter with Shockproof Carry Bag for Paint Printing Textile - Walmart.com
What's New CL-500A Illuminance Spectrophotometer - Konica Minolta Sensing
See the Light by Making a Cell Phone Spectrophotometer | Science Project