Focal Length

37.8mm

13mm

4mm

F/#

1.0

1.0

1.2

Wavelength

8-12μm

8-12μm

8-12μm

Format

Ø14

Ø21.8

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Fixed Athermalized

Fixed Athermalized

Dimensions

Ø43mm×42mm

Ø72.3mm×77.43mm

Ø34mm×29.2mm

Weight

<80g

＜275g

≤52.6g

Operating Temperature

-40°C to +55°C

-40°C to +60°C

-40°C to +60°C

Storage Temperature

-45°C to +60°C

-45°C to +65°C

-45°C to +65°C

Front Element Sealing

IP67

IP67

IP67

External Coating

DLC /AR

HD/AR/DLC

DLC

Focus Range

1m-Infinity

0.3m-Infinity