Focal Length

45mm

7.5mm

4mm

F/#

1.1

1.0

1.2

Wavelength

8-12μm

8-12μm

8-12μm

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Fixed Athermalized

Fixed Athermalized

Dimensions

Ø51mm×51.44mm

Ø29mm×28mm

Ø34mm×29.2mm

Weight

130g

36g

≤52.6g

Operating Temperature

-40°C to +60°C

-40°C to +80°C

-40°C to +60°C

Storage Temperature

-50°C to +70°C

-45°C to +85°C

-45°C to +65°C

Front Element Sealing

IP67

IP67

IP67

External Coating

DLC

DLC

DLC

Focus Range

0.3m-Infinity