Focal Length

42mm

7.5mm

10.5mm

F/#

0.8

1.2

1.0

Wavelength

8-12μm

8-12μm

8-12μm

Focus Range

2m-Infinity

Format

Ø14

Ø20

Interface

Thread

Thread

Thread

Focus Mechanism

Manual

Fixed Athermalized

Fixed Athermalized

Dimensions

Ø79×66.5

Ø54.5×59.28

Ø18×15.11

Weight

401g

<190g

10.5g

Operating Temperature

-40°C to +60°C

-40°C to +85°C

-40°C to +80°C

Storage Temperature

-40°C to +80°C

-60°C to +85°C

-45°C to +85°C

Front Element Sealing

IP67

IP67

IP67

External Coating

DLC

HD

DLC