Focal Length

20-50mm

15mm

6mm

F/#

1.1

1.0

1.25

Wavelength

8-12μm

8-12μm

Focus Range

1.5m-Infinity/3m-Infinity

0.3m-infinity

Interface

Flange

Thread

Thread

Focus Mechanism

Motorized

Manual

Fixed Athermalized

Dimensions (mm)

Ø83x112mm (Front flange Ø108)

Ø25×21.5

Ø25×17.4

Weight

800g

21.5g

<27g

Operating Temperature

-40°C to +60°C

-40°C to +60°C

-40°C to +80°C

Storage Temperature

-50°C to +70°C

-50°C to +80°C

-45°C to +85°C

Front Element Sealing

IP67

IP67

IP67

External Coating

DLC

AR

AR

Distortion

<5%

Format

Ø8.2