Focal Length

50mm

18-54mm

25-225mm

50

F/#

1.2

0.9-1.2

0.85-1.3

2.0

Wavelength

8-12μm

8-12μm

8-12μm

3.7-4.8µm

Focus Mechanism

Fixed Athermalized

Motorized

Motorized

Manual

Interface

Thread

Flange

Flange

Flange

Weight

97g

1.3kg

<6.1kg

89.1g

Dimensions

Ø47.8×45.77

Ø108x151.8

Ø204x307.4 (Front flange Ø235)

Ø51×33.58

External Coating

AR

DLC

DLC

AR

Power Input

DC 12V Average

DC12V

Operating Temperature

-40°C to +80°C

-40°C to +70°C

-40°C to +60°C

Storage Temperature

-50°C to +85°C

-50°C to +80°C

-40°C to +80°C

Front Element Sealing

IP67

IP68

IP67

IP67

Focus Range

40m-Infinity

2m-Infinity/5m-Infinity

15m-Infinity

5m-Infinity