Focal Length

50mm

25-75

37.8mm

F/#

1.0

1.0-1.2

1.0

Wavelength

8-12μm

8-12μm

8-12μm

Format

Ø19.7

Ø14

Interface

Thread

Flange

Thread

Focus Mechanism

Fixed Athermalized

Motorized

Fixed Athermalized

Dimensions (mm)

Ø59×69.56

Ø78x154.3

Ø43×42

Weight

<188g

900g

<80g

Operating Temperature

-40°C to +60°C

-40°C to +60°C

-40°C to +55°C

Storage Temperature

-50°C to +85°C

-45°C to +65°C

-45°C to +60°C

Front Element Sealing

IP67

IP67

IP67

External Coating

DLC

DLC

DLC /AR

Focus Range

10m-Infinity