Focal Length

18-54mm

35mm

25mm

F/#

0.9-1.2

1.0

1.0

Wavelength

8-12μm

8-12μm

8-12μm

Focus Range

2m-Infinity/5m-Infinity

1m-Infinity

Interface

Flange

Thread

Thread

Focus Mechanism

Motorized

Fixed Athermalized

Manual

Dimensions (mm)

Ø108x151.8

Ø44×35.93

Ø48×33.2

Weight

1.3kg

90g

140g

Operating Temperature

-40°C to +70°C

-40°C to +80°C

-40°C to +80°C

Storage Temperature

-50°C to +80°C

-45°C to +85°C

-45°C to +85°C

Front Element Sealing

IP68

IP67

IP67

External Coating

DLC

AR

AR