Exchangeable lens for PI640i and PI640i G7 (ACPI640IO90)

for PI640i (calibrated for -20-100 °C (-4 °F ... 212 °F) / 0-250 °C (32 °F ... 482 °F) / (20)150-900 °C (392 ... 2732 °F))

and for PI640i G7 (calibrated for 150-900 °C (392 ... 2732 °F) / 200-1500 °C (302 ... 1652 °F))

90° x 64° lens/ f=7,7 mm (f = 0.3 in)