Focal Length

7.5mm

75mm

4mm

F/#

1.0

1.0

1.1

Wavelength

8-12μm

8-12μm

8-12μm

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Manual

Fixed Athermalized

Dimensions

Ø29mm×28mm

Ø81mmx84.98mm

Ø36mm×32.5mm

Weight

36g

<430g

71g

Operating Temperature

-40°C to +80°C

-40°C to +55°C

-40°C to +80°C

Storage Temperature

-45°C to +85°C

-50°C to +70°C

-45°C to +85°C

Front Element Sealing

IP67

IP67

IP67

External Coating

DLC

DLC

AR

Focus Range

7m-Infinity

0.5m-Infinity

Format

Ø20