Focal Length

8.5mm

50mm

125mm

F/#

1.2

1.2

1.2

Wavelength

8-12μm

8-12μm

8-12μm

Format

Ø14

Ø22

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Fixed Athermalized

Fixed Athermalized

Dimensions (mm)

Ø33×28.5

Ø47.8×45.77

Ø119×166

Weight

<56g

97g

<1060g

Operating Temperature

-40°C to +80°C

-40°C to +80°C

-40°C to +60°C

Storage Temperature

-45°C to +85°C

-50°C to +85°C

-45°C to +65°C

Front Element Sealing

IP67

IP67

IP67

External Coating

AR

AR

DLC

Focus Range

40m-Infinity