Recent Posts

Pages: 1 ... 4 5 [6] 7 8 ... 10
51
Chronos User Discussion / Re: Kronos 2.1 brand new but not showing any image on screen
« Last post by Rob_G 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
52
Chronos User Discussion / Re: how to connect camera to the PC
« Last post by ratketyree on January 09, 2024, 07:16:14 AM »
To connect via USB on Windows, you need an RNDIS driver. Ideally, Windows 10 can

detect it and, if an internet connection is there, download it automatically.
53
Chronos User Discussion / Re: SSD Saving Speeds
« Last post by brigitte79 on January 08, 2024, 06:22:06 PM »
Quote from: jasoncarter on October 19, 2023, 08:14:49 AM
Has anyone tried an eSATA to USB C cable for using Samsung T5 or T7 SSDs ( or unblocked games 76) for saving from the camera? If so how are the speeds?

I think while eSATA offered faster speeds than USB in its earlier versions, it has largely been surpassed by USB 3.1 Gen 2 (10 Gbps) and the latest Thunderbolt 4 standards. Connecting an eSATA drive to USB-C requires an adapter which adds complexity and can bottleneck performance.
54
Chronos User Discussion / Re: 100,000 FPS with the 2.1 as previously advertised
« Last post by B.H.V on January 08, 2024, 06:16:32 AM »
Quote from: hummingbirdography on January 07, 2024, 11:25:02 AM
Quote from: B.H.V on December 22, 2023, 05:33:15 AM
What's the resolution to get to around 40,000 fps with the 2.1?

Here are a few settings the Chronos 2.1 can achieve near 40,000fps

HResVResFPS
19202040496.8
12803237745.3
10243839787.8
8005239745.6

Would you be able to post video samples of each resolution?
55
Chronos User Discussion / Re: 100,000 FPS with the 2.1 as previously advertised
« Last post by hummingbirdography on January 07, 2024, 11:25:02 AM »
Quote from: B.H.V on December 22, 2023, 05:33:15 AM
What's the resolution to get to around 40,000 fps with the 2.1?

Here are a few settings the Chronos 2.1 can achieve near 40,000fps

HResVResFPS
19202040496.8
12803237745.3
10243839787.8
8005239745.6
56
Chronos User Discussion / Re: Chronos 1.4 IR Filter Dimension Size Confusion?
« Last post by B.H.V on January 06, 2024, 09:39:19 AM »
Thanks ROB!
57
Chronos User Discussion / Re: Chronos 1.4 IR Filter Dimension Size Confusion?
« Last post by Rob_G 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.
58
Chronos User Discussion / Re: Exposure time setting.
« Last post by Rob_G 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.
59
Chronos User Discussion / Re: Exposure time setting.
« Last post by garagesip on January 02, 2024, 01:04:06 AM »
Use exposure within as few micrometers as possible while still having enough light to capture video. The longer the exposure time, the more motion blur the image in your frame will have. You can set the exposure to anything between 1 and 79.49 microseconds.
60
Chronos User Discussion / Re: Exposure time setting.
« Last post by wilkinsonwilfrid on January 01, 2024, 08:52:05 PM »
I suppose I'll attempt to address my own question.  Get enough light to record video with the fewest microseconds of exposure feasible.  Your frame photographs will exhibit greater motion blur if you increase the exposure time.
Pages: 1 ... 4 5 [6] 7 8 ... 10