Focal Length

4mm

20mm

4mm

F/#

1.2

1.0

1.2

Wavelength

8-12μm

8-12μm

8-12μm

Focus Range

1m-Infinity

0.3m-Infinity

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Fixed Athermalized/Manual

Fixed Athermalized

Dimensions

Ø32×30.73

Ø43×35.58

Ø34×29.2

Weight

52g

<125g

≤52.6g

Operating Temperature

-40°C to +80°C

-40°C to +80°C

-40°C to +60°C

Storage Temperature

-45°C to +85°C

-45°C to +85°C

-45°C to +65°C

Front Element Sealing

IP67

IP67

IP67

External Coating

DLC

AR

DLC

Format

Ø14