Focal Length

300mm

42mm

75mm

F/#

6.0

0.8

1.0

Wavelength

0.9-1.7μm

8-12μm

8-12μm

Focus Range

5m-Infinity

2m-Infinity

7m-Infinity

Interface

Thread

Thread

Thread

Focus Mechanism

Manual

Manual

Manual

Dimensions

Ø57mmx141.5mm

Ø79mm×66.5mm

Ø81mmx84.98mm

Weight

<330g

401g

<430g

Operating Temperature

-40°C to +60°C

-40°C to +60°C

-40°C to +55°C

Storage Temperature

-45°C to +65°C

-40°C to +80°C

-50°C to +70°C

Front Element Sealing

IP67

IP67

IP67

External Coating

AR

DLC

DLC

Format

Ø14

Ø20