Focal Length

300mm

50mm

75mm

F/#

6.0

1.2

1.0

Wavelength

0.9-1.7μm

8-12μm

8-12μm

Focus Range

5m- Infinity

Interface

Thread

Thread

Thread

Focus Mechanism

Manual

Fixed Athermalized

Fixed Athermalized

Dimensions (mm)

Ø57x141.5

Ø49×55.6

Ø84×95

Weight

<330g

<144g

<400g

Operating Temperature

-40°C to +60°C

-40°C to +80°C

-40°C to +80°C

Storage Temperature

-45°C to +65°C

-50°C to +85°C

-45°C to +85°C

Front Element Sealing

IP67

IP67

IP67

External Coating

AR

AR

DLC/AR

Format

Ø21.8

Ø20