Interface Cable collimating lens but the collimating lenses are

but the collimating lenses are placed under an angle of 90 degrees from one another

This is to isolate excitation from emission wavelengths

The fluorescence version has the same specifications

When connected to your AvaSpec spectrometer through the IC-DB26-2 cable (sold separately)

They are constructed using high quality Silica/Silica fibre with Polymide buffer

Interface Cable collimating lens but the collimating lenses areDB15 to DB26 Interface Cable, for control of AvaLight HAL Mini S and AvaLight XE. Connects between spectrometer and light source. Full details on this and other types of interface cable can be found by clicking here.