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Chronos User Discussion / Re: eSATA to Computer...
« on: February 08, 2024, 09:39:03 AM »
You can use the following cable: https://www.amazon.ca/Sabrent-2-5-Inch-Adapter-Optimized-EC-SSHD/dp/B011M8YACM
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Chronos User Discussion / Re: eSATA to Computer...
« on: February 07, 2024, 09:43:30 AM »
The cable you are currently using https://www.amazon.com/dp/B00N1KYP7U?ref=ppx_yo2ov_dt_b_product_details
provides power through the USB only.
You need to use a eSATA to SATA Cable that provides power through eSata. You can see an image of the cable here: https://www.krontech.ca/product/esata-to-sata-cable/
provides power through the USB only.
You need to use a eSATA to SATA Cable that provides power through eSata. You can see an image of the cable here: https://www.krontech.ca/product/esata-to-sata-cable/
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Chronos User Discussion / Re: View recorded frame rate
« on: January 29, 2024, 04:54:20 PM »
Hello Beephe
If you save your videos in h.264 or TIFF format you can enable the overlay text feature.
After capturing a video, press the Play button, then the Settings button. Check the Text Overlay box. This feature remains enabled until you deselect it again.
Information about each frame’s position within the recording will be overlaid as well as the number of frames recorded. The information appears at the bottom of each frame of compressed video or TIFF image. You can check the time difference between two contiguous frames to determine the interframe time. The inverse of this gives you the framerate.
This can be useful sometime later in case you forget the framerate used to capture your videos.
If you save your videos in h.264 or TIFF format you can enable the overlay text feature.
After capturing a video, press the Play button, then the Settings button. Check the Text Overlay box. This feature remains enabled until you deselect it again.
Information about each frame’s position within the recording will be overlaid as well as the number of frames recorded. The information appears at the bottom of each frame of compressed video or TIFF image. You can check the time difference between two contiguous frames to determine the interframe time. The inverse of this gives you the framerate.
This can be useful sometime later in case you forget the framerate used to capture your videos.
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Chronos User Discussion / Re: SSD Saving Speeds
« on: January 18, 2024, 02:10:29 PM »
There is not a connecting cable for the Samsung T5 SSD and the 1.4 and 2.1 Chronos cameras. Also, the firmware for the 1.4 and 2.1 Chronos cameras is not designed to operate with the Samsung T5 SSD. The camera itself cannot power the drive.
However, the Chronos cameras 1.4 and 2.1 can connect to a SanDisk 250GB SSD through an eSATA to SATA cable. The cable provides both data transfer as well as power through eSATA. If you are capturing video and recording it in an uncompressed video format, i.e. RAW, TIFF or Cinema DNG, it is the quickest saving option.
However, the Chronos cameras 1.4 and 2.1 can connect to a SanDisk 250GB SSD through an eSATA to SATA cable. The cable provides both data transfer as well as power through eSATA. If you are capturing video and recording it in an uncompressed video format, i.e. RAW, TIFF or Cinema DNG, it is the quickest saving option.
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Chronos User Discussion / Re: Saving Problems of two synchronised Chronos 2.1
« on: January 18, 2024, 12:00:37 PM »
Hi AIIS,
Can you please describe how you are triggering and synchronizing the cameras?
I am interested in your setup
Can you please describe how you are triggering and synchronizing the cameras?
I am interested in your setup
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Chronos User Discussion / Re: Continuous saving of single frames
« on: January 18, 2024, 11:51:29 AM »
Hello AIIS,
I just want to add a quick comment to David's reply.
You can use the Shutter Gating function. With it you can control the exposure time. The exposure time is set by the duty cycle of your input pulse.
This gives you the ability to freeze the motion of the propeller.
If your external device allows you to add a time delay, you can even record single frames of the propeller at different angular positions.
I just want to add a quick comment to David's reply.
You can use the Shutter Gating function. With it you can control the exposure time. The exposure time is set by the duty cycle of your input pulse.
This gives you the ability to freeze the motion of the propeller.
If your external device allows you to add a time delay, you can even record single frames of the propeller at different angular positions.
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Chronos User Discussion / Re: how to connect camera to the PC
« on: January 12, 2024, 11:43:37 AM »
Hello Johndoe,
To connect your camera to your computer with microUSB have a look at section 1.2 of the file "Network-Control-v0.6.5-1_for_Chronos_Cameras.pdf".
You can also control your camera via ethernet, see section 1.1.
You need to install the RNDIS driver on your computer. To do that, follow the instructions in the file "Chronos-RNDIS-Driver-Installation-Guide.pdf"
If you computer has windows 11 installed in it you need to carry out a few extra steps. They are described in the document "Update Port (COM & LPT) for Windows11.pdf"
If you want to download the footage recorded directly to your computer. You need to setup the SMB share, this is outlined in "Chronos-SMB-Share-Setup-Guide.pdf"
To connect your camera to your computer with microUSB have a look at section 1.2 of the file "Network-Control-v0.6.5-1_for_Chronos_Cameras.pdf".
You can also control your camera via ethernet, see section 1.1.
You need to install the RNDIS driver on your computer. To do that, follow the instructions in the file "Chronos-RNDIS-Driver-Installation-Guide.pdf"
If you computer has windows 11 installed in it you need to carry out a few extra steps. They are described in the document "Update Port (COM & LPT) for Windows11.pdf"
If you want to download the footage recorded directly to your computer. You need to setup the SMB share, this is outlined in "Chronos-SMB-Share-Setup-Guide.pdf"
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Chronos User Discussion / Re: Kronos 2.1 brand new but not showing any image on screen
« on: January 10, 2024, 03:44:39 PM »
Hello Eric,
If you shine light directly into the camera, are you able to see something?
You can try using a lower frame rate to make sure your camera is working properly. From the main menu, press the Record Settings button. You can then set the desired frame rate in this screen. The camera starts by default with a high frame rate thus it requires more light than a regular camera
If you shine light directly into the camera, are you able to see something?
You can try using a lower frame rate to make sure your camera is working properly. From the main menu, press the Record Settings button. You can then set the desired frame rate in this screen. The camera starts by default with a high frame rate thus it requires more light than a regular camera
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Chronos User Discussion / Re: Chronos 1.4 IR Filter Dimension Size Confusion?
« on: January 05, 2024, 12:06:26 PM »
Hello B.H.V.
You are right there are three different size for the IR filters
1.4 Chronos Cameras produced up to 07/16/2020, S/N 01836 or lower, have an IR filter of size 15 mm by 15 mm.
You are right there are three different size for the IR filters
1.4 Chronos Cameras produced up to 07/16/2020, S/N 01836 or lower, have an IR filter of size 15 mm by 15 mm.
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Chronos User Discussion / Re: Exposure time setting.
« on: January 04, 2024, 11:48:55 AM »
Hi Hsmore,
Seems like you are running an interesting experiment to capture the flight of a supersonic projectile.
You need to know the physical size that corresponds to each pixel, also referred to as the resolution, in your field of view.
As an example, if the physical width of your field of view, 320 pixels, is 5 m, then the resolution of your imaging system is
5m/320 pixels = 0.0156m/pixel or 15.6 mm/pixel.
Blurred motion is seen when the object captured travels more than 1 pixel during the time the camera ir recording.
Next, you can compare the time, t, it takes the object to travel a distance equal to the size of 1 pixel. t = 0.0156m / 731.5m/s = 21.3 µs.
You can set your exposure time to 21 µs.
If the exposure time is longer then you get blurred motion. If you set it lower than 21 µs you avoid blurred motion but you also require more light to illuminated the scene adequately.
Note that this number is based on the assumption that your filed of view is 5m. Estimate your exposure time based on the actual size of your field of view.
Seems like you are running an interesting experiment to capture the flight of a supersonic projectile.
You need to know the physical size that corresponds to each pixel, also referred to as the resolution, in your field of view.
As an example, if the physical width of your field of view, 320 pixels, is 5 m, then the resolution of your imaging system is
5m/320 pixels = 0.0156m/pixel or 15.6 mm/pixel.
Blurred motion is seen when the object captured travels more than 1 pixel during the time the camera ir recording.
Next, you can compare the time, t, it takes the object to travel a distance equal to the size of 1 pixel. t = 0.0156m / 731.5m/s = 21.3 µs.
You can set your exposure time to 21 µs.
If the exposure time is longer then you get blurred motion. If you set it lower than 21 µs you avoid blurred motion but you also require more light to illuminated the scene adequately.
Note that this number is based on the assumption that your filed of view is 5m. Estimate your exposure time based on the actual size of your field of view.
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