Focal Length

30mm

10.5mm

4mm

F/#

1.0

1.0

1.2

Wavelength

8-12μm

8-12μm

8-12μm

Focus Range

3m-Infinite

0.3m-Infinity

Format

Ø20

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Fixed Athermalized

Fixed Athermalized

Dimensions (mm)

Ø50×40.5

Ø26×28.34

Ø34×29.2

Weight

<185g

≤35g

≤52.6g

Operating Temperature

-40°C to +60°C

-40°C to +60°C

-40°C to +60°C

Storage Temperature

-45°C to +65°C

-45°C to +65°C

-45°C to +65°C

Front Element Sealing

IP67

IP67

IP67

External Coating

DLC

DLC/AR

DLC