Focal Length

50mm

300mm

50mm

F/#

2.0

1.3

1.0

Wavelength

7.5-9.5μm

8-12μm

8-12μm

Focus Mechanism

Manual

Motorized

Fixed Athermalized

Dimensions (mm)

Ø50× 31.6

Ø245x338.7

Ø59×69.56

Weight

126g

<4.54kg

<188g

Operating Temperature

-40°C to +60°C (Depends on Motor)

-40°C to +60°C

-40°C to +60°C

Storage Temperature

-45°C to +65°C

-50°C to +80°C

-50°C to +85°C

External Coating

AR

DLC

DLC

Front Element Sealing

IP67

IP67

IP67

Focus Range

30m -Infinity

Format

Ø20

Ø19.7

Interface

Thread