Focal Length

4mm

60mm

15mm

F/#

1.2

1.0

0.8

Wavelength

8-12μm

8-12μm

8-12μm

Focus Range

1m-Infinity

Interface

Thread

Thread

Thread

Focus Mechanism

Fixed Athermalized

Fixed Athermalized

Fixed Athermalized

Dimensions (mm)

Ø32×30.73

Ø68×67

Ø34×32.87

Weight

52g

<261g

<63g

Operating Temperature

-40°C to +80°C

-40°C to +60°C

-40°C to +60°C

Storage Temperature

-45°C to +85°C

-45°C to +65°C

-60°C to +110°C

Front Element Sealing

IP67

IP67

IP67

External Coating

DLC

DLC/AR

AR

Format

Ø20

Ø14