Focal Length

21mm

5.7mm

75mm

F/#

1.0

1.0

1.25

Wavelength

8-12μm

8-12μm

Format

Ø20

Ø8.2

Ø14

Interface

Thread

Thread

Focus Mechanism

Fixed Athermalized

Fixed Athermalized

Manual

Dimensions (mm)

Ø45×62.33

Ø31×34.5

Ø68.5×89.67

Weight

130g

<55g

<258g

Operating Temperature

-40°C to +60°C

-40°C to +80°C

-30°C to +70°C

Storage Temperature

-45°C to +65°C

-45°C to +85°C

-35°C to +75°C

Front Element Sealing

IP67

IP67

IP67

External Coating

HD

AR

DLC

Focus Range

5m-Infinity