Focal Length

50mm

42mm

19mm

F/#

2.0

0.8

1.0

Wavelength

7.5-9.5μm

8-12μm

8-12μm

Focus Mechanism

Manual

Manual

Manual

Dimensions (mm)

Ø50× 31.6

Ø79×66.5

Ø27.5x28.5

Weight

126g

401g

<27g

Operating Temperature

-40°C to +60°C (Depends on Motor)

-40°C to +60°C

-40°C to +85°C

Storage Temperature

-45°C to +65°C

-40°C to +80°C

-60°C to +85°C

External Coating

AR

DLC

DLC

Front Element Sealing

IP67

IP67

IP67

Focus Range

2m-Infinity

2m-Infinity

Format

Ø14

Ø10

Interface

Thread

Thread