1) NEW and unique! Remote Focus. Always stay focused without changing adapters
2) Conventional fix focus video borescope systems
3) Typical conventional video borescope tip adapter
4) Depth of illumination - depending on environment
5) UNLIMITED - "Remote Focus” means every inspection can be carried out in one Remote Visual Inspection
6) LIMITED (tip adapter) - A tip adapter is very limited; to complete an Remote Visual Inspection several may be required. Tip adapters absorb light, reducing image clarity.
7) Depth of focus & depth of illumination.