Focal Length

20mm

7.5mm

13.4mm

F/#

1.0

1.2

1.0

Wavelength

8-12μm

8-12μm

8-12μm

Format

Ø14

Ø8.2

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized/Manual

Fixed Athermalized

Fixed Athermalized

Dimensions

Ø43mm×35.58mm

Ø25mm×13mm

Ø22mm×20.5mm

Weight

<125g

<16g

< 25g

Operating Temperature

-40°C to +80°C

-40°C to +60°C

-40°C to +60°C

Storage Temperature

-45°C to +85°C

-40°C to +60°C

-45°C to +65°C

Front Element Sealing

IP67

IP67

IP67

External Coating

AR

AR

AR

Focus Range

1.0m-Infinity