Focal Length

45mm

75mm

45mm

F/#

1.0

1.2

1.1

Wavelength

8-12μm

8-12μm

8-12μm

Format

Ø20

Ø14

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Fixed Athermalized

Fixed Athermalized

Dimensions

Ø53×59.58

Ø71×68.5

Ø51×51.44

Weight

<181g

<257g

130g

Operating Temperature

-40°C to +80°C

-40°C to +80°C

-40°C to +60°C

Storage Temperature

-45°C to +85°C

-60°C to +85°C

-50°C to +70°C

Front Element Sealing

IP67

IP67

IP67

External Coating

DLC/AR

DLC

DLC