Our StarLight™ Collection includes one of each of our StarLight™ Calibration slides, which feature vibrant ~6um fluorescent microspheres dyed with a single fluorophore for basic imaging checks and calibration. The four slides are appropriate for use with common microscope filter sets: Glacial Blue (360, 450), Dragon Green (480, 520), Envy Green (525, 565), and Flash Red (660, 690).