Focal Length

40mm

54mm

F/#

0.9

1.0

Wavelength

8-12μm

8-12μm

Format

Ø21.8

Ø10

Interface

Thread

Thread

Focus Mechanism

Fixed Athermalized

Manual

Dimensions

Ø54×51.13

Ø57×68.6

Weight

226.3g

<240g

Operating Temperature

-40°C to +80°C

-40°C to +60°C

Storage Temperature

-45°C to +85°C

-50°C to +80°C

Front Element Sealing

IP67

IP67

External Coating

AR

DLC/AR

Focus Range

5m-Infinity