Focal Length

300mm

60mm

50mm

20mm

F/#

6.0

1.0

1.2

1.0

Wavelength

0.9-1.7μm

8-12μm

8-12μm

8-12μm

Focus Range

5m- Infinity

3m-Infinity

Focus Mechanism

Manual

Fixed Athermalized

Manual

Fixed Athermalized/Manual

Dimensions (mm)

Ø57x141.5

Ø68×67

Ø49x53.91

Ø43×35.58

Weight

<330g

<261g

<100g

<125g

Operating Temperature

-40°C to +60°C

-40°C to +60°C

-40°C to +85°C

-40°C to +80°C

Storage Temperature

-45°C to +65°C

-45°C to +65°C

-60°C to +85°C

-45°C to +85°C

External Coating

AR

DLC/AR

DLC

AR

Format

Ø20

Ø8.2

Ø14