Irradiance

D7 Cosine Corrected Transmission Diffuser (200-1100nm)
Precision diffuser ensuring correct hemispherical cosine response

D8 Cosine Corrected Integrating Sphere (250-2500nm)
Optimising the trade-off between cosine error and spectral coverage

IS75-ENV Cosine Corrected Integrating Sphere, Outdoor Use (250-2500nm)
Environmentally sealed entrance optic for UV-vis-IR use