AT-COS: Cosine Corrector for measurement of filtered off-angle light
- The fused silica dome shaped diffuser gives excellent transmission in the visible region and adequate transmission in the UV region
AT-DIF: Diffuser mounts directly to the SM Series spectrometers.
- Offered with a ground quartz diffuser as standard
- Up to 3 - 0.5" size by 1.5mm thick ND filters can be added to the assembly.
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