The VJ-3 6.0mm from ViewTech Borescopes is a Borescope with Depth of Field(DOF) 7 mm to Infinity, Field of View(FOV) 100 Degree x 75 Degree, Probe / Insertion Tube Temperature -10 to 50 Degree C, Operating Temperature -20 to 50 Degree C(Base Unit), Probe / Insertion Tube Diameter 6 mm. More details for VJ-3 6.0mm can be seen below.