Focal Length

21mm

75mm

4mm

F/#

1.0

1.0

1.1

Wavelength

8-12μm

8-12μm

8-12μm

Format

Ø20

Ø14

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Motorized

Fixed Athermalized

Dimensions (mm)

Ø45×62.33

Ø87x91.61

Ø36×32.5

Weight

130g

< 435g

71g

Operating Temperature

-40°C to +60°C

-40°C to +60°C

-40°C to +80°C

Storage Temperature

-45°C to +65°C

-50°C to +80°C

-45°C to +85°C

Front Element Sealing

IP67

IP67

IP67

External Coating

HD

DLC/AR

AR

Focus Range

5m -Infinity

0.5m-Infinity