Focal Length

50mm

6mm

8.5mm

F/#

1.0

1.25

1.2

Average Transmission

≥91%(AR)

Wavelength

8-12μm

8-12μm

Focus Range

5m-Infinity

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Fixed Athermalized

Fixed Athermalized

Dimensions (mm)

Ø59×54.5

Ø25×17.4

Ø33×28.5

Weight

153g

<27g

<56g

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

-45°C to +85°C

Front Element Sealing

IP67

IP67

IP67

External Coating

AR

AR

AR

Format

Ø8.2

Ø14