Focal Length

50mm

60mm

20-50mm

F/#

1.0

1.0

1.1

Average Transmission

≥91%(AR)

Wavelength

8-12μm

8-12μm

8-12μm

Focus Range

5m-Infinity

1.5m-Infinity/3m-Infinity

Interface

Thread

Thread

Flange

Focus Mechanism

Fixed Athermalized

Fixed Athermalized

Motorized

Dimensions

Ø59×54.5

Ø68×67

Ø83x112mm (Front flange Ø108)

Weight

153g

<261g

800g

Operating Temperature

-40°C to +60°C

-40°C to +60°C

-40°C to +60°C

Storage Temperature

-45°C to +65°C

-45°C to +65°C

-50°C to +70°C

Front Element Sealing

IP67

IP67

IP67

External Coating

AR

DLC/AR

DLC

Format

Ø20

Power Input

DC 12V Average