Focal Length

20-50mm

100mm

25mm

15 -300

F/#

1.1

1.0

1.0

4.0

Wavelength

8-12μm

8-12μm

8-12μm

3.7-4.8µm

Focus Range

1.5m-Infinity/3m-Infinity

1m-Infinity

1m -Infinity/30m -Infinity

Interface

Flange

Thread

Thread

Flange

Focus Mechanism

Motorized

Fixed Athermalized

Manual

Motorized

Dimensions (mm)

Ø83x112mm (Front flange Ø108)

Ø113.5×149.5

Ø48×33.2

Ø88x118.62

Weight

800g

936g

140g

≤780g

Operating Temperature

-40°C to +60°C

-40°C to +80°C

-40°C to +80°C

-40°C to +60°C

Storage Temperature

-50°C to +70°C

-50°C to +85°C

-45°C to +85°C

-40°C to +80°C

External Coating

DLC

DLC

AR

AR