Focal Length

8.5mm

9.7mm

50mm

F/#

1.2

1.0

1.2

Wavelength

8-12μm

8-12μm

8-12μm

Format

Ø14

Ø8.2

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Fixed Athermalized

Manual

Dimensions

Ø33mm×28.5mm

Ø44mm×57.92mm

Ø49mmx53.91mm

Weight

<56g

≤138g

<100g

Operating Temperature

-40°C to +80°C

-40°C to +60°C

-40°C to +85°C

Storage Temperature

-45°C to +85°C

-45°C to +65°C

-60°C to +85°C

Front Element Sealing

IP67

IP67

IP67

External Coating

AR

AR

DLC

Focus Range

3m-Infinity