Focal Length

50mm

10mm

15mm

F/#

1.0

1.0

1.0

Wavelength

8-12μm

8-12μm

8-12μm

Format

Ø19.7

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Fixed Athermalized

Fixed Athermalized

Dimensions (mm)

Ø59×69.56

Ø34×40.7

Ø66×77.43

Weight

<188g

52g

＜300g

Operating Temperature

-40°C to +60°C

-40°C to +80°C

-40°C to +60°C

Storage Temperature

-50°C to +85°C

-45°C to +85°C

-45°C to +65°C

Front Element Sealing

IP67

IP67

IP67

External Coating

DLC

DLC/AR

DLC/AR

Focus Range

1m-Infinity

1m-Infinity