Focal Length

45mm

25-105

50mm

F/#

1.1

1.2-1.6

1.2

Wavelength

8-12μm

8-12μm

8-12μm

Interface

Thread

Flange

Thread

Focus Mechanism

Fixed Athermalized

Motorized

Fixed Athermalized

Dimensions (mm)

Ø51×51.44

Ø82x120.7

Ø47.8×45.77

Weight

130g

576g

97g

Operating Temperature

-40°C to +60°C

-20°C to +60°C

-40°C to +80°C

Storage Temperature

-50°C to +70°C

-45°C to +85°C

-50°C to +85°C

Front Element Sealing

IP67

IP67

IP67

External Coating

DLC

DLC

AR

Average Transmission

≥80%

Focus Range

25mm: 3m-Infinity

40m-Infinity