Focal Length

50mm

19mm

75mm

F/#

2.0

1.0

1.0

Wavelength

7.5-9.5μm

8-12μm

8-12μm

Focus Mechanism

Manual

Fixed Athermalized

Fixed Athermalized

Dimensions

Ø50mm×31.6mm

Ø28.5mm×28mm

Ø84mm×95mm

Weight

126g

<38g

<400g

Operating Temperature

-40°C to +60°C (Depends on Motor)

-40°C to +80°C

-40°C to +80°C

Storage Temperature

-45°C to +65°C

-60°C to +85°C

-45°C to +85°C

External Coating

AR

AR

DLC/AR

Front Element Sealing

IP67

IP67

IP67

Format

Ø9.6

Ø20

Interface

Thread

Thread