Something like the above lets you control the position of both the whole rig, the camera, or the lookat. Components have a lookat parameter, and an op can be set to look at another op, by dragging that op onto that par:
The camera control unit (CCU) is typically part of a live television broadcast chain. It is responsible for powering the professional video camera, handling signals sent over the camera cable to and from the camera, and can be used to control various camera parameters remotely.
Before cameras became self-contained units, broadcast cameras required vast racks of control units just to generate a usable picture. In outside broadcast production, these racks took up an entire section of the OB truck and were operated by a small team of skilled engineers. These vision engineers had two roles. Firstly, they set up the CCUs at the start of a production and ensured that the picture created was of broadcast quality. This process included a lengthy alignment process in which the vision engineer would work with the camera operator, to adjust the settings on both the actual camera and the CCU in tandem.[1] During production, it was the vision engineers job to operate the CCUs and control both the exposure and the colour balance. So skilled and labour-intensive was this role that each CCU required its own dedicated vision engineer.[2][3]
In addition to these, there are usually options internally generating a test card for testing, return feeds or talkback. For more complex productions, preset scene files can be recalled to quickly change the settings of the camera on the fly.
Typically, RGB signals are transmitted over the camera cable. The CCU will usually convert these to SDI, YUV or composite for interfacing to other video equipment - typically it will be connected to a vision mixer via a video router.
all these options have issues so i thought i could try to control the camera via USB using an arduino. It would be really nice to create a programable remote trigger. I am not talking about triggering an exposure (like pressing the shutter button), I am talking of controlling exposure time, ISO and triggering the exposure. This is necessary for solar eclipse photography because we need 20-30 bracketed exposures, while most canon camera can do 5 (the R5 can do 7) but it's still not enough.
If this this level of control is at all feasible, Canon will have already provided for it in their proprietary remote control software. You don't mention that you have tried it, or what it's shortcomings really are.
If you really need that much bracketing, an eclipse isn't so short-lived that there is no time to move seven stops and shoot again.
There may be some 3rd party softwares that allow this level of control to be achieved without an Arduino. I had in the long past used such softwares for a Canon PnS camera that gave me control over shutter intervals, EV &c for some time lapse work.
On reflection, I now recall somebody using an Arduino to control shutter speed using the bulb setting and remote shutter cable. Nothing fancy, but the scope would be limitless. With that in mind, I guess the main exercise is to ensure that any full-bottle WiFi remote operation can be overridden by the remote cable. Check the Cloudy Nights Forum.
CHDK was for Canon point-and-shoot cameras. It was later ported to their DSLRs as Magic Lantern. Both allowed scripting, which can let you do neat things like high-altitude balloon flights. But so far as I know, it never got to the Rx mirrorless cameras. But if a 5D Mark III would work for you, you might look into Magic Lantern.
at first i tried computer software options like eclipse Orchestrator, capture eclipse, solar eclipse maestro, SET nÇ, and even programing the Canon camera from the SD card using magic lantern.
Again, CHDK only works with Canon point & shoot cameras. The concept was extended to Canon DSLR cameras with the Magic Lantern software. But so far there's no port for the new mirrorless cameras like the R5. The exception is the M models.
The program will then automatically attempt to select a camera. If you have a real camera you will get a different dialog shown in Learning. Since no camera is connected you get the "Did not Find" dialog. Normallythis means your camera might be off. In this case we want to use a simulated camera so we press the appropriate button
Since we are assuming this is your first use of the program the Camera Preferences Dialog will appear. This dialog contains someimportant information on how you want to control your camera. For now we will just accept the defaults and move on. We come back to this dialog in Learning
The last dialog is to configure how you want to capture this particular eclipse. The phenomena of the eclipse are listedalong with how many exposures you want to take. Not all eclipses will allow you to take a full set of photos (I picked the Texas eclipse for a reason). In general the defaults are fine except for the corona exposures and earthshine.Depending on your mount settings from the previous dialog and the eclipse duration you may have to make some decisions. Thisdialog lets you test your decision to make sure that the camera and moon will cooperate to give you what you want.
GMC-U1Simply plug the cable into your camera and monitor, and use the monitor's onscreen touchscreen display to control your camera. The monitor has a sliding lock that holds the TPE connector secure.
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APT supports a wide variety of astrophotography cameras including Canon EOS, Nikon, and CCD or CMOS astronomy cameras such as the Starlight Xpress SX-42. The software allows you to control focus, framing, plate-solving, scheduling, and much more. The user interface is not overwhelming, which is rare in the world of astrophotography software.
As I continue to learn how to get the most out of my image control software, I will dive into some of the more advanced features. Features such as PointCraft and the Collimation aid (for my reflector) have gone unused thus far.
To connect a DSLR camera (Canon or Nikon) to Astro Photography Tool, you need to connect it to your laptop computer using a USB 2.0 cable (A-Male to Mini-B). The USB 2.0 port connects to your laptop computer, and the Mini-B connects to the side of your DSLR camera.
This is what the cable looks like you need to connect your DSLR camera to APT (this is the exact cable I use to connect my DSLR camera). This is the same cable you will need to control your DSLR camera using almost any software.
On the most basic level, astrophotography imaging software is used to control your DSLR or CCD camera. The application connects directly to your camera and provides an advanced interface to automate the exposure sequences.
My first experience using dedicated software for deep sky imaging was BackyardEOS. Making the jump from Canon EOS Utilities to BYEOS for camera control was an eye-opener. Not only could I run a series of events, but it had astrophotography-specific tools for focusing and framing my object, and a lot more.
All of the applications I have used for controlling my camera have had one thing in common; they make life easier. The tools built into the software help me spend less time getting set up, and more time collecting photons. The following list of benefits is true of all imaging control software:
It involves analyzing an image (taken with your camera) to detect and identify the known stars. If the plate has been successfully solved, the software can then calculate the RA and DEC of the image. This also transfers useful information to the user such as image orientation and resolution.
Astro Photography Tool includes a handy feature for those looking to capture flat frames to correct uneven field illumination in their images. The feature is called CCD Flats Aid, and runs your camera through a series of exposure lengths to determine to best possible setting for a useful flat calibration frame.
You simply need to choose the desired target ADU (brightness value) for the exposure, and the software will test various exposure lengths to find this value. In the case of my ZWO ASI294MC Pro camera, the target ADU I prefer to use is 25,000.
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