This kit includes the following filters:

• HF-2.0 (1%T)

• HF-1.5 (3%T)

• HF-0.3 (50%T)

• A30 Blank holder

• Case P4

Capabilities:

• Photometric accuracy verification in the VIS range (400-700nm)

Product Specs:

• Wavelength range: 400-700nm. Standard validation points included on the certificate of calibration are 440, 465, 546.1, 590, 635nm.

• Tolerances: HF-0.3 (+/- 0.0020 au); HF-1.5 (+/-0.0054au); HF-2 (+/-0.0055au)

• External dimensions of individual filters: 12.5 x 12.5 x 45.0 mm

Benefits of using Firefly Scientific's Solid-State Calibration Standards:

• Highly accurate and consistent spectrophotometer calibration every time.

• Never has to be replaced.

• Never has to be recalibrated if used 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-1930 requirements and tolerances

• NIST-compliant