This is a ball drop experiment which shows the distance travelled with any given delay settings on the DC2 Controller.
The setup is very basic as shown in the bottom centre right image, the module to the left is a Battery Powered IR transmitter and to the right is the Wireless Multi Sensor set to the IR mode enabling it to receive the IR beam. When the ball is dropped through the beam the sequence will start.
The WMS will send a wireless signal to the DC2 Controller, which will trigger the camera after the delay time. Below are four shots that were taken with different delay times. The delay setting are shown on the left.
The camera shutter will have a delay also which will vary dependant on the camera settings and camera model.
In this sequence to reduce the delay the auto-focus and image stabilisation was OFF and the mirror was up. Other techniques can be employed to eliminate the delay totally as shown below.
Camera - Canon 6D
Lens - Tamron 90mm Macro
Focus and IS - Manual
Mode - AV
ISO - 100
Drive - Single shot
Mirror lockup - Enabled
Shutter lag - Estmated 30 milliseconds
Flash - Canon ring flash
Controller - DC2 digital controller
Delay - As above
Trigger time - 0.2 seconds
Mode - Auto
Link from WMS - Wireless
Sensor - Wireless Multi Sensor (WMS)
Mode - Infrared beam
IR source - Battery IR Transmitter (IRTXB)
In this ball drop experiment, as above the distance travelled with any given delay settings on the DC2 Controller. This is a high speed solution to removing the delay for fast moving objects
As before we have the a Battery Powered IR transmitter and the Wireless Multi Sensor set to the IR mode enabling it to receive the IR beam. When the ball is dropped through the beam the sequence will start.
In this configuration the external flash is connect to the DC2 AUX output and the camera shutter is opened manually.
The sequence is -
The WMS will send a wireless signal to the DC2 Controller, which will trigger the camera after the delay time. Here 3 shots were taken with different delay times. The delay setting are shown below on the right set of images. The WMS radio link will cause a small delay wish is fine for most projects.
The experiment was repeated using the IRRX wired sensor connected to the DC2. It can be seen the images on the left has no delay which makes it suitable for many high speed projects.
1 millisecond
20 milliseconds
40 milliseconds
1 millisecond
20 milliseconds
40 milliseconds
Camera - Canon 6D
Lens - Canon 24-105mm
Focus and IS - Manual
Mode - Manual
Shutter speed - 2 seconds
F number - f11
ISO - 100
Drive - Single shot
Mirror lockup - N/A
Shutter lag - N/A
Flash - External studio flash
Controller - DC2 digital controller
Delay - As above
Trigger time - 0.1 seconds
Mode - Auto
Sensor - Wireless Multi Sensor (WMS)
- IRRX
Mode - Infrared beam
IR source - Battery IR Transmitter (IRTXB)
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