This kit includes the following filters:

• HF-0.2 (60%T) 
• HF-0.5 (30%T) 
• HF-1.0 (10%T) 
• WAV-1 UV/VIS Solid State Holmium Oxide Filter
• A30 Blank holder
• Case G6

Capabilities:

• Photometric accuracy in the VIS range (400-700nm) - 440, 465, 546.1, 590 and 635nm included on the certificate.
• Wavelength accuracy in the UV and VIS range (241.5-637.5nm) - Data points of 241.5, 279.3, 287.6, 333.8. 360.8, 385.8, 418.5, 453.4, 459.9, 536.4 and 637.5nm included on the certificate.

Product Specs:

• Tolerance for photometric accuracy filters: +/- 0.0022 au
• Tolerance for wavelength accuracy filters: +/- 0.2nm
• External dimensions of individual filters: 12.5 x 12.5 x 45.0 mm

Benefits of Firefly's Solid-State Calibration Standards:

• Highly accurate and consistent spectrophotometer calibration every time.
• Never has to be replaced.
• Never has to be recalibrated if handled and stored properly.
• Scratch-resistant coating protects optical surfaces.
• Can be used in any spectrophotometer (with standard 12.5 x 12.5 x 45.0 mm holder)
• Surpasses NIST requirements and tolerances.
• NIST-traceable.