Focal Length

300mm

42mm

50mm

75mm

F/#

6.0

0.8

1.2

1.2

Wavelength

0.9-1.7μm

8-12μm

8-12μm

8-12μm

Focus Range

5m- Infinity

2m-Infinity

Interface

Thread

Thread

Thread

Focus Mechanism

Manual

Manual

Fixed Athermalized

Manual

Dimensions (mm)

Ø57x141.5

Ø79×66.5

Ø49×55.6

Ø71.5×70.5

Weight

<330g

401g

<144g

<320g

Operating Temperature

-40°C to +60°C

-40°C to +60°C

-40°C to +80°C

-30°C to +70°C

Storage Temperature

-45°C to +65°C

-40°C to +80°C

-50°C to +85°C

-35°C to +75°C

External Coating

AR

DLC

AR

DLC

Format

Ø14

Ø21.8

Ø14