Focal Length

70mm

37.8mm

30mm

F/#

1.0

1.0

1.0

Wavelength

8-12μm

8-12μm

8-12μm

Format

Ø14

Ø14

Ø20

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Fixed Athermalized

Fixed Athermalized

Dimensions (mm)

Ø78×66

Ø43×42

Ø50×40.5

Weight

<275g

<80g

<185g

Operating Temperature

-40°C to +80°C

-40°C to +55°C

-40°C to +60°C

Storage Temperature

-45°C to +85°C

-45°C to +60°C

-45°C to +65°C

Front Element Sealing

IP67

IP67

IP67

External Coating

DLC

DLC /AR

DLC

Focus Range

3m-Infinite