Focal Length

50mm

25-75

4mm

F/#

1.0

1.0-1.2

1.1

Wavelength

8-12μm

8-12μm

8-12μm

Format

Ø19.7

Interface

Thread

Flange

Thread

Focus Mechanism

Fixed Athermalized

Motorized

Fixed Athermalized

Dimensions (mm)

Ø59×69.56

Ø78x154.3

Ø36×32.5

Weight

<188g

900g

71g

Operating Temperature

-40°C to +60°C

-40°C to +60°C

-40°C to +80°C

Storage Temperature

-50°C to +85°C

-45°C to +65°C

-45°C to +85°C

Front Element Sealing

IP67

IP67

IP67

External Coating

DLC

DLC

AR

Focus Range

10m-Infinity

0.5m-Infinity