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Related Manuals for DCS LDT-M1
Summary of Contents for DCS LDT-M1
- Page 1 LDT-M1 User Manual 11/02/2020 ...
- Page 2 Introduction DCS’ LDT-M1 is a lens encoding system for the Arri ALEXA Mini and Mini LF. It reads the Focus, Iris and Zoom motor movements and translates this information into compatible data for the host camera. This metadata is then written directly into the ArriRaw camera files in real time. ...
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Page 3: Physical Connections
Cable Types and Codes All DCS cables are categorized using a code and a bend relief color for each of the cable types. Cables have two default lengths, 12 or 18 inches and the connector type can be straight (S), right angle (R), or anglissimo (O). Custom cables can be made upon ... - Page 4 LDT-M1 Serial connector if the Preston MDR serial ports are in use. SERIAL MDR Blue 4-pin 0B Lemo to MDR cable connects the LDT-M1 to a Preston 4-pin 0B Lemo MDR 2 or 3 serial port. MDR MDRP Blue ...
- Page 5 ● Connect the LDT-M1 using the MDR Blue Cable from the MDR port on the LDT-M1 to Serial 1 on the Preston MDR-3, ● Plug the LBUS Red cable from the CAM port on the LDT-M1 to the LBUS Port on the lens mount of the Alexa Mini, ...
- Page 6 6 LDT- M1 User Manual ● Make sure all the axes that are plugged into the MDR are active by operating the Preston Hand Unit, ● Ensure that the motors are all in the right direction for normal use by the Preston HU3, ...
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Page 7: Initial Check
When mapping a lens, a methodical process needs to be adopted. As standard practice, DCS suggests to enter a mark point on the WCU-4 for each engraved mark on the lens and let the LDS system interpolate the rest of the data. ... - Page 8 8 LDT- M1 User Manual Mount a new lens to the camera. On the LDT-M1 press the calibrate button. On the WCU-4 Choose: MENU > LENS DATA > LENS PROGRAMMING > CREATE LENS FILE. Select the lens brand, it can either be selected from a list or added manually. Use the up and ...
- Page 9 9 LDT- M1 User Manual OK or the user button to confirm. Now repeat the above steps in order to populate your lens table. Work through each engraved value on the lens to ensure maximum precision. Use the Down button to edit any data points. ...
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Page 10: Offset Function
10 LDT- M1 User Manual To save the lens table, first be sure to insert an SD card into the WCU-4, then press the Save button. The file will be saved on the folder/ARRI/ALEXA/LDA. ... - Page 11 Both of these solutions are plug and play, there is no need to create a new or separate lens table when using either. Note: On the LDT-M1 the Lens Data Encoder it can be used for the Zoom axis only. On the LDT-E1, the physical button for selecting a bounding axis is disabled when ...
- Page 12 ● Select the Lens Table corresponding to the mounted lens, ● Calibrate the lens using the calibration button on the LDT-M1, ● Check if the lens lines up with the lens data into ECS or by using the monitor overlay.
- Page 13 13 LDT- M1 User Manual Proofing FbF data using ARC Good practise would be to run some test footage through ARRIRAW Converter (ARC) and check the Fame by Frame data (LDS) are properly written into the ARRIRAW files. You can download ARC from the ARRI Website: ...
- Page 14 14 LDT- M1 User Manual ● Merge the CSV files to the EXR footage. Compare the metadata of the EXR file to the overlay footage. Appendix 2: Extracting data from RAW footage The name of the CSV file is the name of the clip. ...
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Page 15: Appendix 1: Changelog
15 LDT- M1 User Manual Appendix 1: Changelog 1.00 - 2019.01.30 First version for BSC 1.01 - 2019.02.22 Preston zoom motor position bug fix (Pos/Velocity bit) WCU4 Stick compatibility 1.02 - 2019.02.22 Forced user calibration when using WCU4 ...