Focal Length

35mm

45mm

13.4mm

F/#

1.0

1.1

1.0

Wavelength

8-12μm

8-12μm

8-12μm

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Fixed Athermalized

Fixed Athermalized

Dimensions (mm)

Ø44×35.93

Ø51×51.44

Ø22×20.5

Weight

90g

130g

< 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

-50°C to +70°C

-45°C to +65°C

Front Element Sealing

IP67

IP67

IP67

External Coating

AR

DLC

AR

Focus Range

1.0m-Infinity