Focal Length

5.7mm

50mm

13.4mm

F/#

1.0

1.0

1.0

Wavelength

8-12μm

8-12μm

8-12μm

Format

Ø8.2

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Fixed Athermalized

Fixed Athermalized

Dimensions

Ø31mm×34.5mm

Ø59mm×54.5mm

Ø22mm×20.5mm

Weight

<55g

153g

< 25g

Operating Temperature

-40°C to +80°C

-40°C to +60°C

-40°C to +60°C

Storage Temperature

-45°C to +85°C

-45°C to +65°C

-45°C to +65°C

Front Element Sealing

IP67

IP67

IP67

External Coating

AR

AR

AR

Average Transmission

≥91%(AR)

Focus Range

5m-Infinity

1.0m-Infinity