Focal Length

54mm

50mm

70mm

F/#

1.0

2.0

1.0

Wavelength

8-12μm

7.5-9.5μm

8-12μm

Focus Range

5m-Infinity

Format

Ø10

Ø14

Interface

Thread

Thread

Focus Mechanism

Manual

Manual

Fixed Athermalized

Dimensions (mm)

Ø57×68.6

Ø50× 31.6

Ø78×66

Weight

<240g

126g

<275g

Operating Temperature

-40°C to +60°C

-40°C to +60°C (Depends on Motor)

-40°C to +80°C

Storage Temperature

-50°C to +80°C

-45°C to +65°C

-45°C to +85°C

Front Element Sealing

IP67

IP67

IP67

External Coating

DLC/AR

AR

DLC