Focal Length

125mm

8.5mm

50mm

F/#

1.2

1.0

1.2

Wavelength

8-12μm

8-12μm

8-12μm

Format

Ø22

Ø21.8

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Fixed Athermalized

Fixed Athermalized

Dimensions (mm)

Ø119×166

Ø28×30.94

Ø49×55.6

Weight

<1060g

40g

<144g

Operating Temperature

-40°C to +60°C

-40°C to +80°C

-40°C to +80°C

Storage Temperature

-45°C to +65°C

-45°C to +85°C

-50°C to +85°C

Front Element Sealing

IP67

IP67

IP67

External Coating

DLC

AR/DLC

AR

Focus Range

0.5m-Infinity