Focal Length

9mm

8.5mm

25mm

F/#

1.0

1.0

1.0

Wavelength

8-12μm

8-12μm

8-12μm

Format

Ø14

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Fixed Athermalized

Manual

Dimensions

Ø38mm×47.29mm

Ø28mm×30.94mm

Ø48mm×33.2mm

Weight

＜61g

40g

140g

Operating Temperature

-40°C to +60°C

-40°C to +80°C

-40°C to +80°C

Storage Temperature

-60°C to +80°C

-45°C to +85°C

-45°C to +85°C

Front Element Sealing

IP67

IP67

IP67

External Coating

DLC/AR

AR/DLC

AR

Focus Range

0.5m-Infinity

1m-Infinity