Labsphere AS-02992-200 4in AIS-1A Integrating Sphere

PHOTODYNE 22XLC FIBER OPTIC MULTIMETER

2" Aerograde Titanium Metal Sphere - 297 grams

Ruby Ball 1mm, Sphere, Corundum, Bearing, Lens, Synthetic

Melles Griot Integrating Sphere with Photodetector Sensor – Precision Optical Me

Solid 2" Titanium Metal Sphere - Aerograde - 294 grams -99.95% purity

Ruby Ball 7mm - Sphere, Corundum, Bearing, Lens, Synthetic

Ruby Ball 12mm - Sphere, Corundum, Bearing, Lens, Synthetic