Additional Reference Information; Lens Options For Models 'M/C1940' & 'M/C1920; Lens With The Correct Image Circle - Teledyne m640 User Manual

Additional Reference
Information
Choosing a Lens with the Correct Image Circle
Each Nano model requires a lens with an image circle specification to fully illuminate the sensor.
The following section graphically shows the minimum lens image circle for each Nano model family
along with alternative lens types. Brief information on other lens parameters to consider follows
those sections.
Lens Options for Models 'M/C1940' & 'M/C1920'
The following figure shows the lens image circles relative to Genie Nano models using the Sony
•
IMX174 and IMX249 sensors respectively.
A typical 1" lens will fully illuminate these sensors while the use of a 2/3" lens will have some
•
corner vignetting.
"horizontal blue dashed lines"
• Note the
Image Format controls to Height=1080 with a Vertical Offset=60.
Nano Series GigE Vision Camera
defining the HD video format. These indicate setting the
IMX174
IMX249
1.3" Lens (~22.5mm)
Image Circle
1" Lens (~16mm)
Image Circle
2/3" Lens (~11mm)
Image Circle
Additional Reference Information • 207