Focal Length

75mm

75mm

50mm

F/#

1.0

1.0

2.0

Wavelength

8-12μm

8-12μm

7.5-9.5μm

Format

Ø20

Ø20

Interface

Thread

Thread

Focus Mechanism

Fixed Athermalized

Manual

Manual

Dimensions

Ø84mm×95mm

Ø81mmx84.98mm

Ø50mm×31.6mm

Weight

<400g

<430g

126g

Operating Temperature

-40°C to +80°C

-40°C to +55°C

-40°C to +60°C (Depends on Motor)

Storage Temperature

-45°C to +85°C

-50°C to +70°C

-45°C to +65°C

Front Element Sealing

IP67

IP67

IP67

External Coating

DLC/AR

DLC

AR

Focus Range

7m-Infinity