This kit includes the following filters:

• HF-1 (10%T)

• HF-0.7 (20%T)

• HF-0.5 (30%T)

• A30 Blank holder

• Case P4

Capabilities:

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

Product Specs:

• Optical densities of the filters: HF-1 (10%T); HF-0.7 (20%T); HF-0.5 (30%T)

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

• Tolerances: HF-0.5 (+/-0.0022au); HF-0.7 (+/- 0.0023au); HF-1 (+/- 0.0023au)

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

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

• Highly accurate and consistent spectrophotometer calibration every time.

• Scratch-resistant coating protects optical surfaces

• Can be used in any spectrophotometer (with standard 12.5 x 12.5 x 12.5 x 45 mm holder)

• Surpasses NIST-930e requirements and tolerances

• NIST compliant