Focal Length

35mm

30mm

20mm

F/#

1.2

1.0

1.1

Wavelength

8-12μm

8-12μm

8-12μm

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Fixed Athermalized

Fixed Athermalized

Dimensions

Ø36mm×33.74mm

Ø50mm×40.5mm

Ø29mm×25.5mm

Weight

52g

<185g

≤32g

Operating Temperature

-40°C to +60°C

-40°C to +60°C

-40°C to +80°C

Storage Temperature

-60°C to +110°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