Focal Length

7.5mm

5.3 mm

37.8mm

F/#

1.2

1.0

1.0

Wavelength

8-12μm

8-12μm

8-12μm

Format

Ø20

Ø12

Ø14

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Manual

Fixed Athermalized

Dimensions

Ø54.5mm×59.28mm

Ø57mmx42.99mm

Ø43mm×42mm

Weight

<190g

<95g

<80g

Operating Temperature

-40°C to +85°C

-40°C to +60°C

-40°C to +55°C

Storage Temperature

-60°C to +85°C

-40°C to +80°C

-45°C to +60°C

Front Element Sealing

IP67

IP67

IP67

External Coating

HD

AR

DLC /AR

Focus Range

0.3m-Infinity