Focal Length

4mm

25mm

F/#

1.1

1.0

Wavelength

8-12μm

8-12μm

Focus Range

0.5m-Infinity

0.3m-Infinity

Interface

Thread

Thread

Focus Mechanism

Fixed Athermalized

Manual

Dimensions

Ø36mm×32.5mm

Ø41mm×41.34mm

Weight

71g

88g

Operating Temperature

-40°C to +80°C

-40°C to +60°C

Storage Temperature

-45°C to +85°C

-40°C to +80°C

Front Element Sealing

IP67

IP67

External Coating

AR

DLC/AR