Focal Length

40mm

56-300mm

50mm

F/#

0.9

1.0-1.4

1.0

Wavelength

8-12μm

8-12μm

8-12μm

Format

Ø21.8

Ø8.2

Interface

Thread

Flange

Thread

Focus Mechanism

Fixed Athermalized

Motorized

Manual

Dimensions (mm)

Ø54×51.13

Ø234x340.99 (to UFPA) (Front flange Ø258)

Ø64×68.9

Weight

226.3g

<6.1kg

<290g

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

-45°C to +80°C

Front Element Sealing

IP67

IP67

IP67

External Coating

AR

DLC

DLC

Focus Range

3m-Infinity