Focal Length

15-300

75mm

18-54mm

F/#

5.5

1.2

0.9-1.2

Wavelength

3.7-4.8µm

8-12μm

8-12μm

Focus Mechanism

Motorized

Fixed Athermalized

Motorized

Interface

Flange

Thread

Flange

Weight

1.22kg

<257g

1.3kg

External Coating

AR

DLC

DLC

Operating Temperature

-40°C to +60°C

-40°C to +80°C

-40°C to +70°C

Storage Temperature

-40°C to +80°C

-60°C to +85°C

-50°C to +80°C

Front Element Sealing

IP67

IP67

IP68

Focus Range

5m -Infinity

2m-Infinity/5m-Infinity