Focal Length

20mm

50mm

75mm

F/#

1.0

1.2

1.0

Wavelength

8-12μm

8-12μm

8-12μm

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Manual

Fixed Athermalized

Dimensions (mm)

Ø32×20.6

Ø49x53.91

Ø88×97

Weight

35.1g

<100g

461g

Operating Temperature

-40°C to +60°C

-40°C to +85°C

-40°C to +80°C

Storage Temperature

-45°C to +65°C

-60°C to +85°C

-60°C to +110°C

Front Element Sealing

IP67

IP67

IP67

External Coating

AR

DLC

AR/DLC

Focus Range

3m-Infinity

Format

Ø8.2

Ø14