Photron FASTCAM ultima SE, User Manual

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Recording Rate Recording Rate
To set the framing rate, use the Recording Rate section of the control keypad. To set the framing rate, use the Recording Rate section of the control keypad.
In the Live mode, too, the camera operates at the selected framing rate.
In the Live mode, too, the camera operates at the selected framing rate.
At every press on the Full Frame button, the framing rate advances a step to the next At every press on the Full Frame button, the framing rate advances a step to the next
lower rate, from 4500 fps down to 30 fps. After the framing rate has hit 30 fps, the
lower rate, from 4500 fps down to 30 fps. After the framing rate has hit 30 fps, the
next press on the Full Frame button brings the framing rate back to 4500 fps.
next press on the Full Frame button brings the framing rate back to 4500 fps.
The selected framing rate is shown on the LCD display. Also, the LED below the
The selected framing rate is shown on the LCD display. Also, the LED below the
selected rate lights on. For example, when the camera is framing at 4500 fps, the
selected rate lights on. For example, when the camera is framing at 4500 fps, the
LED below [4500] lights on.
LED below [4500] lights on.
Regardless of the current framing rate setting, a press on the Segment Frame button Regardless of the current framing rate setting, a press on the Segment Frame button
will instantly turn the framing rate to 9000 fps. At every press on the Segment Frame
will instantly turn the framing rate to 9000 fps. At every press on the Segment Frame
button afterward, the framing rate advances a step to a higher number until it hits 40500
button afterward, the framing rate advances a step to a higher number until it hits 40500
fps, the highest number. Then, the next press will bring the framing rate back to 9000
fps, the highest number. Then, the next press will bring the framing rate back to 9000
fps.
fps.
NOTE NOTE
When the FASTCAM-ultima SE is powered on, it is set to the default framing rate of 4500 When the FASTCAM-ultima SE is powered on, it is set to the default framing rate of 4500
fps.
fps.
Shutter Speed Shutter Speed
The shutter speed is a reciprocal of the framing rate, that is, the shutter speed is obtained The shutter speed is a reciprocal of the framing rate, that is, the shutter speed is obtained
by dividing 1 by the framing rate. For example, the shutter speed at 4500 fps framing rate
by dividing 1 by the framing rate. For example, the shutter speed at 4500 fps framing rate
is 1/4500 seconds (222 micro sec.) Because of the this fact, the lens iris must be wid-
is 1/4500 seconds (222 micro sec.) Because of the this fact, the lens iris must be wid-
ened as the framing rate is set to a higher number so that more light is let in onto the
ened as the framing rate is set to a higher number so that more light is let in onto the
sensor within a shorter period of time.
sensor within a shorter period of time.