Focal Length

4mm

18-54mm

25-225mm

F/#

1.2

0.9-1.2

0.9-1.5

Wavelength

8-12μm

8-12μm

8-12μm

Focus Range

0.3m-Infinity

2m-Infinity/5m-Infinity

5m-Infinity/30m-Infinity

Interface

Thread

Flange

Flange

Focus Mechanism

Fixed Athermalized

Motorized

Motorized

Dimensions (mm)

Ø34×29.2

Ø108x151.8

Ø171x241.6mm (Front flange Ø189.5)

Weight

≤52.6g

1.3kg

<2kg

Operating Temperature

-40°C to +60°C

-40°C to +70°C

-40°C to +80°C

Storage Temperature

-45°C to +65°C

-50°C to +80°C

-60°C to +85°C

Front Element Sealing

IP67

IP68

IP67

External Coating

DLC

DLC

DLC