Focal Length

20mm

15mm

10mm

F/#

1.0

1.0

1.0

Wavelength

8-12μm

8-12μm

8-12μm

Format

Ø14

Interface

Thread

Thread

Thread

Focus Mechanism

Manual

Manual

Manual

Dimensions

Ø43×29

Ø25×21.5

Ø38x43.05

Weight

82g

21.5g

<97g

Operating Temperature

-40°C to +60°C

-40°C to +60°C

-40°C to +60°C

Storage Temperature

-40°C to +80°C

-50°C to +80°C

-45°C to +65°C

Front Element Sealing

IP67

IP67

IP67

External Coating

AR

AR

DLC/AR

Distortion

<5%

Focus Range

0.3m-infinity

0.5m-Infinity