Focal Length

21mm

15-75

4mm

F/#

1.0

0.9-1.3

1.2

Wavelength

8-12μm

8-12μm

8-12μm

Format

Ø20

Interface

Thread

Flange

Thread

Focus Mechanism

Fixed Athermalized

Motorized

Fixed Athermalized

Dimensions (mm)

Ø45×62.33

Ø81x121mm

Ø34×29.2

Weight

130g

<572g

≤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

-50°C to +70°C

-45°C to +65°C

Front Element Sealing

IP67

IP67

IP67

External Coating

HD

DLC

DLC

Focus Range

5m-Infinity

0.3m-Infinity