Focal Length

35mm

30mm

20mm

F/#

1.0

1.0

1.1

Wavelength

8-12μm

8-12μm

8-12μm

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Fixed Athermalized

Fixed Athermalized

Dimensions (mm)

Ø44×35.93

Ø50×40.5

Ø29×25.5

Weight

90g

<185g

≤32g

Operating Temperature

-40°C to +80°C

-40°C to +60°C

-40°C to +80°C

Storage Temperature

-45°C to +85°C

-45°C to +65°C

-45°C to +85°C

Front Element Sealing

IP67

IP67

IP67

External Coating

AR

DLC

AR

Focus Range

3m-Infinite

Format

Ø20