The Q Series from Yateks is a Borescope with Depth of Field(DOF) 3 mm to Infinity, Viewing Angle 90 Degree, 100 Degree, 110 Degree, 120 Degree, Probe / Insertion Tube Temperature -20 to 70 Degree C, Operating Temperature -20 to 50 Degree C (Monitor), Probe / Insertion Tube Diameter 2.2 to 6 mm. More details for Q Series can be seen below.
