Overall transparency and brightness, conforming to the visual sensation of the
human eye in nature.
The rigid (semi-rigid) scope owns the ureter. The flexible scope owns the renal collecting system. This guide compares the two on the metrics that actually change outcomes — stone-free rate, complication risk, operating time, and anatomical reach.
This article compares HD and 4K endoscopic imaging on the metrics that actually affect clinical work, explains what "true 4K" means in medical imaging, and shows where a system such as the GEV-630 4K UHD fits in a hospital equipment plan.
Single-Use Bronchoscope Buying Guide 2026: Compare specs (Φ2.3–5.5mm, 210° bend, 1MP), infection-control benefits vs reusable, and a 12-point supplier checklist. Get a quote & sample.