Focal Length

300mm

50mm

25mm

40mm

F/#

6.0

1.2

1.0

0.9

Wavelength

0.9-1.7μm

8-12μm

8-12μm

8-12μm

Focus Range

5m-Infinity

3m-Infinity

Focus Mechanism

Manual

Manual

Fixed Athermalized

Fixed Athermalized

Dimensions

Ø57mmx141.5mm

Ø49mmx53.91mm

Ø36.2mm×32mm

Ø54mm×51.13mm

Weight

<330g

<100g

77.5g

226.3g

Operating Temperature

-40°C to +60°C

-40°C to +85°C

-40°C to +80°C

-40°C to +80°C

Storage Temperature

-45°C to +65°C

-60°C to +85°C

-50°C to +85°C

-45°C to +85°C

External Coating

AR

DLC

AR/DLC

AR

Format

Ø8.2

Ø14

Ø21.8