Focal Length

4mm

75mm

5.7mm

F/#

1.2

1.0

1.0

Wavelength

8-12μm

8-12μm

Focus Range

0.3m-Infinity

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Motorized Optical Athermalized

Fixed Athermalized

Dimensions (mm)

Ø34×29.2

Ø126×77.1

Ø31×34.5

Weight

≤52.6g

<602g

<55g

Operating Temperature

-40°C to +60°C

-40°C to +80°C

-40°C to +80°C

Storage Temperature

-45°C to +65°C

-45°C to +85°C

-45°C to +85°C

Front Element Sealing

IP67

IP67

IP67

External Coating

DLC

DLC/AR

AR

Format

Ø10

Ø8.2