Focal Length

75mm

37.8mm

35mm

F/#

1.2

1.0

1.0

Wavelength

8-12μm

8-12μm

8-12μm

Format

Ø14

Ø14

Ø21.8

Focus Mechanism

Manual

Fixed Athermalized

Manual

Dimensions

Ø71.5mm×70.5mm

Ø43mm×42mm

Ø48mm×44.62mm

Weight

<320g

<80g

<142g

Operating Temperature

-30°C to +70°C

-40°C to +55°C

-40°C to +80°C

Storage Temperature

-35°C to +75°C

-45°C to +60°C

Front Element Sealing

IP67

IP67

IP67

External Coating

DLC

DLC /AR

DLC

Interface

Thread

Thread

Average Transmission

86%

Focus Range

2m-Infinity