Calibration Filters Set, 8 Piece: 10%T Neutral Density, 20%T Neutral Density, 30%T Neutral Density, 220nm Stray Light, 360nm Stray Light, Holmium , Didymium , Blank, Pack Of 8

Details:

Calibration filters set, 8 piece calibration set: #1 - 10%t neutral density filter, #2 - 20%t neutral density filter, #3 - 30%t neutral density filter, #4 - 220nm stray light filter, #5 - 360nm stray light filter, #6 - holmium filter, #7 - didymium filter, #8 - blank filter, accuracy: /-0.2Nm or /-1%, mounted in a standard 10mm cuvette metal holder