Focal Length

35mm

20mm

40mm

F/#

0.8

1.0

1.0

Wavelength

8-12μm

8-12μm

8-12μm

Format

Ø10

Ø8.2

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Fixed Athermalized

Manual

Dimensions

Ø56.2mm×47.68mm

Ø32mm×20.6mm

Ø45mmx51.69mm

Weight

<195g

35.1g

< 91g

Front Element Sealing

IP67

IP67

IP67

Operating Temperature

-40°C to +85°C

-40°C to +60°C

-40°C to +60°C

Storage Temperature

-60°C to +85°C

-45°C to +65°C

-45°C to +65°C

External Coating

DLC

AR

DLC

Focus Range

3m-Infinity