Focal Length

8.5mm

50mm

14.8mm

F/#

1.2

1.0

1.0

Wavelength

8-12μm

8-12μm

8-12μm

Format

Ø14

Ø10

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Fixed Athermalized

Fixed Athermalized

Dimensions

Ø33mm×28.5mm

Ø59mm×54.5mm

Ø25mm×19.77mm

Weight

<56g

153g

<25g

Operating Temperature

-40°C to +80°C

-40°C to +60°C

-40°C to +80°C

Storage Temperature

-45°C to +85°C

-45°C to +65°C

-45°C to +85°C

Front Element Sealing

IP67

IP67

IP67

External Coating

AR

AR

AR

Average Transmission

≥91%(AR)

Focus Range

5m-Infinity