Focal Length

60mm

75mm

20mm

F/#

1.0

1.0

1.0

Wavelength

8-12μm

8-12μm

8-12μm

Format

Ø20

Ø20

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Fixed Athermalized

Fixed Athermalized

Dimensions (mm)

Ø68×67

Ø84×95

Ø32×20.6

Weight

<261g

<400g

35.1g

Operating Temperature

-40°C to +60°C

-40°C to +80°C

-40°C to +60°C

Storage Temperature

-45°C to +65°C

-45°C to +85°C

-45°C to +65°C

Front Element Sealing

IP67

IP67

IP67

External Coating

DLC/AR

DLC/AR

AR