Tiffen Quality Control and Calibration Devices are used to standardize and control light exposure for many applications and industries including photography, graphic arts, and optical systems.
They are available in a wide variety of formats for both light transmission and light reflection. Tiffen Accessories provide the user with cleaning accessories for their optical lenses.
Silvestri Gray Cards have been certificated by the Istituto Nazionale di Ottica di Arcetri in Florence.
Calibration was carried out using high precision instrumentation, and the indicated data were measured at various wave lengths and with different lights.
code GC004