Focal Length

50mm

4mm

22mm

F/#

2.0

1.2

0.85

Wavelength

7.5-9.5μm

8-12μm

8-12μm

Focus Mechanism

Manual

Fixed Athermalized

Motorized

Dimensions (mm)

Ø50× 31.6

Ø32×30.73

Ø38x56 (Front flange Ø61)

Weight

126g

52g

＜220g

Operating Temperature

-40°C to +60°C (Depends on Motor)

-40°C to +80°C

-40°C to +60°C

Storage Temperature

-45°C to +65°C

-45°C to +85°C

-50°C to +80°C

External Coating

AR

DLC

DLC

Front Element Sealing

IP67

IP67

IP67

Focus Range

1m-Infinity

2m -Infinity

Interface

Thread