Focal Length

4.3mm

50mm

25mm

F/#

1.2

1.0

1.0

Wavelength

8-12μm

8-12μm

8-12μm

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Manual

Fixed Athermalized

Dimensions

Ø39×19.6

Ø60×60.5

Ø48× 31.59

Weight

43.2g

<225g

<140g

Operating Temperature

-40°C to +60°C

-40°C to +60°C

-40°C to +80°C

Storage Temperature

-45°C to +65°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-Infinity

Format

Ø14

Ø20

Average Transmission

86%(AR)