Focal Length

21mm

75mm

19mm

F/#

1.0

1.2

0.9

Wavelength

8-12μm

8-12μm

8-12μm

Format

Ø20

Ø14

Ø10

Interface

Thread

Thread

Focus Mechanism

Fixed Athermalized

Manual

Manual

Dimensions (mm)

Ø45×62.33

Ø71.5×70.5

Ø37x31.25

Weight

130g

<320g

<65g

Operating Temperature

-40°C to +60°C

-30°C to +70°C

-40°C to +85°C

Storage Temperature

-45°C to +65°C

-35°C to +75°C

-60°C to +85°C

Front Element Sealing

IP67

IP67

IP67

External Coating

HD

DLC

DLC

Focus Range

3m-infinity