The HDV700 Series from Teledyne FLIR is a Borescope with Depth of Field(DOF) 10 mm to Infinity, Field of View(FOV) 90 Degree, 87.1 Degree, 150 Degree, Probe / Insertion Tube Diameter 5.5 mm, 4.9 mm, 3.9 mm, 4.5 mm, 6 mm, 28 mm, Probe / Insertion Tube Length 1 m, 3 m, 1.5 m, 30 m, Probe / Insertion Tube Length 1 m, 3 m, 1.5 m, 30 m. More details for HDV700 Series can be seen below.