Focal Length

50mm

75mm

9.7mm

F/#

1.2

1.0

1.0

Wavelength

8-12μm

8-12μm

8-12μm

Format

Ø21.8

Ø14

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Fixed Athermalized

Fixed Athermalized

Dimensions (mm)

Ø49×55.6

Ø88×97

Ø44× 57.92

Weight

<144g

461g

≤138g

Operating Temperature

-40°C to +80°C

-40°C to +80°C

-40°C to +60°C

Storage Temperature

-50°C to +85°C

-60°C to +110°C

-45°C to +65°C

Front Element Sealing

IP67

IP67

IP67

External Coating

AR

AR/DLC

AR