Focal Length

21mm

6mm

10.5mm

F/#

1.0

1.25

1.0

Wavelength

8-12μm

8-12μm

Format

Ø20

Ø8.2

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Fixed Athermalized

Fixed Athermalized

Dimensions (mm)

Ø45×62.33

Ø25×17.4

Ø18×15.11

Weight

130g

<27g

10.5g

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

HD

AR

DLC