Focal Length

75mm

4mm

50mm

F/#

1.2

1.2

1.0

Wavelength

8-12μm

8-12μm

8-12μm

Format

Ø14

Ø14

Focus Mechanism

Manual

Fixed Athermalized

Manual

Dimensions

Ø71.5mm×70.5mm

Ø34mm×29.2mm

Ø60mm×60.5mm

Weight

<320g

≤52.6g

<225g

Operating Temperature

-30°C to +70°C

-40°C to +60°C

-40°C to +60°C

Storage Temperature

-35°C to +75°C

-45°C to +65°C

-45°C to +65°C

Front Element Sealing

IP67

IP67

IP67

External Coating

DLC

DLC

DLC

Focus Range

0.3m-Infinity

3m-Infinity

Interface

Thread

Thread