Focal Length

45mm

50

19mm

F/#

1.1

2.0

0.9

Wavelength

8-12μm

3.7-4.8µm

8-12μm

Interface

Thread

Flange

Thread

Focus Mechanism

Fixed Athermalized

Manual

Manual

Dimensions (mm)

Ø51×51.44

Ø51×33.58

Ø37x31.25

Weight

130g

89.1g

<65g

Operating Temperature

-40°C to +60°C

-40°C to +85°C

Storage Temperature

-50°C to +70°C

-60°C to +85°C

Front Element Sealing

IP67

IP67

IP67

External Coating

DLC

AR

DLC

Focus Range

5m-Infinity

3m-infinity

Format

Ø10