Focal Length

20-50mm

50mm

75mm

F/#

1.1

1.2

1.0

Wavelength

8-12μm

8-12μm

8-12μm

Focus Range

1.5m-Infinity/3m-Infinity

Interface

Flange

Thread

Thread

Focus Mechanism

Motorized

Fixed Athermalized

Fixed Athermalized

Dimensions (mm)

Ø83x112mm (Front flange Ø108)

Ø49×55.6

Ø84×95

Weight

800g

<144g

<400g

Operating Temperature

-40°C to +60°C

-40°C to +80°C

-40°C to +80°C

Storage Temperature

-50°C to +70°C

-50°C to +85°C

-45°C to +85°C

Front Element Sealing

IP67

IP67

IP67

External Coating

DLC

AR

DLC/AR

Format

Ø21.8

Ø20