Warranty: 60 DAYS OLYMPUS ENF-GP RHINOLARYNGOSCOPE W​/​ WA91502A PORTABLE LIGHT SOURCE SCOPE IS IN EXCELLENT CONDITION!!! EXCELLENT IMAGE 0 BROKEN FIBERS PASSED LEAK TESTING Optical System. Field of View: 85° Depth of Field: 5 to 50 mm. Insertion Tube. Distal End Outer Diameter: 3.4 mm. Insertion Tube Outer Diameter: 3.6 mm. Bending Section. Angulation Range: Up 130° Down 130° Working Length: 300 mm. Total Length: 550 mm. TESTED AND PATIENT READY Return Policy7 day return policy, 90 day warranty on all items