FLIR T640 and T620 Optional 7° Telephoto Lens

Capture astounding thermal images and accuracy from a distance.
Clearly see the fault. And make the right call.

FLIR's new 7° lens is so light and portable, you'll be amazed how easy it is to use for regular surveys.  But what's really impressive is the incredible thermal image clarity and exceptional temperature data you'll be able to capture from farther away. With 3.6× magnification, it's ideal for scanning small or distant targets such as overhead power lines and substation equipment. Add greater safety and reliability to your thermal inspections with the new 7° lens option, made especially for FLIR T640 and T620 cameras.

Model / Part Number FLIR 7° Telephoto Lens
FLIR 7° Telephoto Lens / T198166
Field of view (FOV) 7° × 5.3° (8.7° diagonally)
Minimum focus distance 2.0 m (6.6 ft.)
Focal length 88.9 mm (3.5 in.)
Spatial resolution (IFOV) 0.19 mrad
Lens identification Automatic
F-number 1.3
MTF @ 70% of FOV Normal requirements (52%)
Distortion 3%
Weight, lens 0.71 kg (1.57 lb.)
Size (L × D) 96 × 126 mm (3.78 × 4.96 in.), excluding support
Front lens diameter 96 mm (3.78 in.)