Focal Length

9.7mm

4mm

45mm

F/#

1.0

1.2

1.1

Wavelength

8-12μm

8-12μm

8-12μm

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Fixed Athermalized

Fixed Athermalized

Dimensions (mm)

Ø44× 57.92

Ø32×30.73

Ø51×51.44

Weight

≤138g

52g

130g

Operating Temperature

-40°C to +60°C

-40°C to +80°C

-40°C to +60°C

Storage Temperature

-45°C to +65°C

-45°C to +85°C

-50°C to +70°C

Front Element Sealing

IP67

IP67

IP67

External Coating

AR

DLC

DLC

Focus Range

1m-Infinity