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9
CHAPTER 3
USING YOUR
TELEDYNE PHOTOMETRICS
Retiga R
Series Camera
Imaging Software
The
Teledyne Photometrics
Retiga R Series cameras come with optional full featured Ocular software. For an
up-to-date list of other compatible third-party imaging software applications, please visit:
https://
www.photometrics.com/support/third-party-software.
The
Teledyne Photometrics
Retiga R Series camera’s image capture capabilities are controlled entirely
through your imaging software. Basic functionalities include control over exposure time, gain state, clearing
mode, region of interest (ROI), and pixel binning. Additional information on camera use and CCD operating is
available on the web, please visit:
https://www.photometrics.com
Basic Camera Parameters
Exposure Time
The
Teledyne Photometrics
Retiga R Series camera’s exposure controls allow you to adjust the integration
time for each acquisition. By increasing the exposure time, more light is captured by the sensor and a better
signal-to-noise ratio (SNR) is achieved. The exposure time should be adjusted to a level that achieves the
shortest integration time possible while still maintaining sufficient SNR.
For R-Series cameras, there is an autoexposure feature in Ocular that will compute the optimal exposure time
with a single click.
Gain State
Gain (with regards to cameras) is defined as the conversion factor of captured electrons to a digital signal,
often referred to as a grey value or ADU (Analogue to Digital Unit) and has units of electrons per ADU (e/ADU).
Knowing the gain of a camera allows users to directly compare an ADU value as measured from their software
to the physical number of electrons actually captured by the camera’s sensor. Gain plays a critical role in many
of the camera’s parameters including dynamic range and read noise.
The
Teledyne Photometrics
Retiga R Series camera provides user-selectable gain states that enable optimal
camera performance for different imaging environments. Refer to Certificate of Performance provided for
different gain states values.