Focal Length

18-54mm

19mm

30mm

F/#

0.9-1.2

1.0

1.0

Wavelength

8-12μm

8-12μm

8-12μm

Focus Range

2m-Infinity/5m-Infinity

3m-Infinite

Interface

Flange

Thread

Thread

Focus Mechanism

Motorized

Fixed Athermalized

Fixed Athermalized

Dimensions (mm)

Ø108x151.8

Ø30×26

Ø50×40.5

Weight

1.3kg

32g

<185g

Operating Temperature

-40°C to +70°C

-40°C to +80°C

-40°C to +60°C

Storage Temperature

-50°C to +80°C

-60°C to +80°C

-45°C to +65°C

Front Element Sealing

IP68

IP67

IP67

External Coating

DLC

DLC/AR

DLC

Format

Ø14

Ø20