Focal Length

18-54mm

20-50mm

13.4mm

F/#

0.9-1.2

1.1

1.0

Wavelength

8-12μm

8-12μm

8-12μm

Focus Range

2m-Infinity/5m-Infinity

1.5m-Infinity/3m-Infinity

1.0m-Infinity

Interface

Flange

Flange

Thread

Focus Mechanism

Motorized

Motorized

Fixed Athermalized

Dimensions

Ø108mmx151.8mm

Ø83mmx112mm (Front flange Ø108)

Ø22mm×20.5mm

Weight

1.3kg

800g

< 25g

Operating Temperature

-40°C to +70°C

-40°C to +60°C

-40°C to +60°C

Storage Temperature

-50°C to +80°C

-50°C to +70°C

-45°C to +65°C

Front Element Sealing

IP68

IP67

IP67

External Coating

DLC

DLC

AR

Power Input

DC 12V Average

DC 12V Average