Focal Length

19mm

75mm

4mm

F/#

1.0

1.0

1.1

Wavelength

8-12μm

8-12μm

8-12μm

Format

Ø14

Ø20

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Manual

Fixed Athermalized

Dimensions

Ø30mm×26mm

Ø81mmx84.98mm

Ø36mm×32.5mm

Weight

32g

<430g

71g

Operating Temperature

-40°C to +80°C

-40°C to +55°C

-40°C to +80°C

Storage Temperature

-60°C to +80°C

-50°C to +70°C

-45°C to +85°C

Front Element Sealing

IP67

IP67

IP67

External Coating

DLC/AR

DLC

AR

Focus Range

7m-Infinity

0.5m-Infinity