Focal Length

25mm

19mm

17mm

F/#

1.0

1.0

1.0

Average Transmission

86%(AR)

Wavelength

8-12μm

8-12μm

8-12μm

Format

Ø20

Ø14

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Fixed Athermalized

Fixed Athermalized

Dimensions

Ø48× 31.59

Ø30×26

Ø28×21.3

Weight

<140g

32g

41.5g

Operating Temperature

-40°C to +80°C

-40°C to +80°C

-40°C to +60°C

Storage Temperature

-45°C to +85°C

-60°C to +80°C

-45°C to +65°C

Front Element Sealing

IP67

IP67

IP67

External Coating

AR

DLC/AR

AR

Focus Range

10m-Infinity