Focal Length

13mm

50mm

37.8mm

F/#

1.0

1.0

1.0

Wavelength

8-12μm

8-12μm

8-12μm

Focus Range

1m-Infinity

3m-Infinity

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Manual

Fixed Athermalized

Dimensions (mm)

Ø23×15.5

Ø60×60.5

Ø43×42

Weight

≤21.5g

<225g

<80g

Operating Temperature

-40°C to +60°C

-40°C to +60°C

-40°C to +55°C

Storage Temperature

-45°C to +65°C

-45°C to +65°C

-45°C to +60°C

Front Element Sealing

IP67

IP67

IP67

External Coating

AR/DLC

DLC

DLC /AR

Format

Ø14

Ø14