Recent Posts

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1
Software Dev / Re: Software Roadmap - 0.3.1, 0.4.x, etc.
« Last post by DDR on January 17, 2019, 01:17:38 PM »
Hi Thomas. As it stands, @skronstein is working on a test plan for verification of 0.3.x. So that should be coming in a few weeks, once we've actually checked it does what we say it does. @tesla500 is working on an improved version of the power-down feature for your use. A more configurable version will be released with the new UI, on the power screen. I myself am busy with 0.5.x UI, which will be served by the API Johan is working on for 0.4.x. (We've experienced difficulty extracting the sensor initialization logic from the old camApp code.)

I hope that helps explain what we've been working on. There haven't been any major milestones to announce, so I'm afraid we've been pretty quiet.
2
Chronos User Discussion / Re: Maximum save speed
« Last post by Waldemf on January 16, 2019, 11:25:42 PM »
Hello,

yes, eSata to SSD would be fastest.

Foobar replied to some speedtests I made in this thread, recently:

http://forum.krontech.ca/index.php?topic=442.msg2321#msg2321
(My tests are somewhere above his answer)

and shed some light on the Chronos' internal limits.

Basically, since most RAW formats are saved as image sequence, the size depending on recording speed and how big the section you want to save is: the smaller the files are, the faster the camera writes those sequences e.g. to a fast SSD.

USB sticks or SD cards usually get into serious trouble if they have to write say a 100kbyte file times 20000, as fast as possible.  ;D

All the best
Martin

Thanks for the reply. Since I have the 32GB model and typically need to save the entire recording, it looks like going for an SSD would help me out regarding save times. Thanks!
3
Chronos User Discussion / Re: Maximum save speed
« Last post by Martin on January 16, 2019, 11:48:17 AM »
Hello,

yes, eSata to SSD would be fastest.

Foobar replied to some speedtests I made in this thread, recently:

http://forum.krontech.ca/index.php?topic=442.msg2321#msg2321
(My tests are somewhere above his answer)

and shed some light on the Chronos' internal limits.

Basically, since most RAW formats are saved as image sequence, the size depending on recording speed and how big the section you want to save is: the smaller the files are, the faster the camera writes those sequences e.g. to a fast SSD.

USB sticks or SD cards usually get into serious trouble if they have to write say a 100kbyte file times 20000, as fast as possible.  ;D

All the best
Martin
4
Chronos User Discussion / Re: Mounting Camera to Microscope
« Last post by Nikon1 on January 16, 2019, 05:41:26 AM »
Ok thank you for such a thorough response! it was very informative, I appreciate it.

 I think I will go with the fotodiox!
Very happy that i could answer your Question with this!
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Chronos User Discussion / Maximum save speed
« Last post by Waldemf on January 16, 2019, 04:08:56 AM »
Hi!
I recently bought a chronos and I was wondering about save-speed. What would be the fastest way of saving my recording to a portable device, esata to SSD?

I am running on version 0.3.0.
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Chronos User Discussion / Re: Chronos 1.4 Footage Thread
« Last post by Raph_h on January 16, 2019, 01:01:54 AM »
Really cool MarcinS !!

7
Chronos User Discussion / Re: Mounting Camera to Microscope
« Last post by ccombs1 on January 15, 2019, 05:03:10 PM »
Ok thank you for such a thorough response! it was very informative, I appreciate it.

 I think I will go with the fotodiox!
8
Chronos User Discussion / Re: Mounting Camera to Microscope
« Last post by Nikon1 on January 15, 2019, 01:29:15 PM »
If you want to be really cheap, you could even go for one Of those adapters here (dont know your location, shiping could be expensive if you are not in europa):
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https://www.ebay.de/itm/Nikon-F-AI-Lens-to-C-mount-16mm-Cine-Film-Mount-Adapter/123311930213?epid=6022605156&hash=item1cb5f6bb65:g:RjYAAOSw0EZbc8Gc
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https://www.ebay.de/itm/Nikon-F-mount-to-C-mount-adapter-quality-vintage-adapter/253881524826?hash=item3b1c84a25a:g:qnsAAOSwWEBboh0N:rk:53:pf:0
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https://www.ebay.de/itm/Nikon-F-mount-to-C-mount-adapter-High-quality-adapter-2/263265967635?hash=item3d4bdfde13:g:PhwAAOSwwqdZ5OfH:rk:52:pf:0
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https://www.ebay.de/itm/Nikon-F-AI-mount-Objektivadapter-fur-C-mount-16mm-Film-Mount-kamera-Adapter/182240131297?hash=item2a6e5bb8e1:g:ckYAAOSwubRXHdDB:rk:17:pf:0
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https://www.ebay.de/itm/Schneider-C-Mount-Adapter-im-Nikon-F-Bajonett/401686065268?hash=item5d865af074:g:R1QAAOSwQ9lcPD1K:rk:2:pf:1
.
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Just be aware that its a bit of an gamble with those cheap China-Adapters, sometimes they are good, but sometimes have some play or are not very precise. If the Adapter doesnt get to much physical stress, that should work out ok, if there is a lot of movement on Camera or Microscope or if the adapter is exposed to other rough conditions, i would absolutely go for the Fotodiox from Amazon.
As discussed in an other Thread about cheap SD-Cards, its most times better not to go too cheap on your Camera Accesorys! Just keep in mind that you just spendt a ton of money on your camera, so dont pair it with crappy other components, especially if you want to do serious work with it or want to have fun for long time.
That said, I also would not spend 150 on that Olympus adapter... The Fotodiox one should be very good (from what i have seen and heard from them, dont own anything from them myself), but i am also happy with most of my China-Adapters :)
Whatever you buy, is up to you!
9
General high-speed discussion / Re: Drones and High Speed Aerial Imaging
« Last post by Nikon1 on January 15, 2019, 01:00:02 PM »
I think about any Gimbal that is able to hold an average DSLR or bigger DSLM Camera including an Lens should have no trouble at all handling something like the Chronos since the Weight and size is very similar.
Also depends what lens you are Planing to use and what kind of accesorys you plan to use.
If you are not planing to use an crazy heavy /big lens or lots of other stuff attached to the Camera, most mid-Size DSLR-Gimbals should work fine for you. Lot of those are quite Affordable and you could sometimes also rent one, if you only need it once. I kind of Doubt that an High-End Cinematic Gimbal is Actualy NEEDED for an Camera of the Size Like the Chronos. You sure Could use on, if you wanted... But its just more expensive.
To be Save, just check the Specs of the Gimbal you want to buy and compare the maximal load which the gimal is rated for with the Weight of the Chronos + Lens + other stuff (Like HDMI-Transmitter and so on...) / and also Size of the Camera the Gimbal could hold.
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For Drones its quite a bit of an different story here.
As mentioned in the Video you linked, it is a very expensive Drone and hasnt been done bevore, cause its extremely challenging to lift all that stuff up in the air.
The Phantom 4K is an heavy Monster of an Camera compared to the "tiny" Chronos and i think it also needs tons of energy. For such an big Camera you will need an pretty beefy Gimbal and Battery-System which also will add a lot of weight to your already heavy Camera.
your advantage with the Chronos is, that it has an internal Battery, which will propably last long enough for everything you would want to do with it while in the Air.
For Lenses you would propably choose some Wide Prime-Lens or your Kit-Zoom, so weight for camera, lens and Gimbal should be "reasonable"
But while still way less heavy then the Camera-Rig with the Phantom 4K, this Chronos + Gimbal is no Lightweight either.
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So, if you realy want to do something like this, the main Problem would be to find an Gimbal that could hold multiple Kilogramms of Weight while still flying pretty Stable, and to find a Way to mount an Gimbal to it in a way, that it wont fall /break off with all the Vibrations and so on...
If you want, just take any gimbal and do the math, how heavy all the stuff would get, which you would need to mount on your Drone. Weight of all single Components is usualy given somewhere in the Specs of the product.
I am not aware of any "cheap" drone that could do that. I think with drones you would actually need to get something more Professional.
As far as i Know, you will need some kind of Licence in most countrys for a Drone Of that size and Weight (at least after you added the Weight of your camera-Rig).
You will (unless you buy some kind of Complete Solution) also most likely need two (or even three) persons to control that Drone/ Gimbal-Rig you just built.
And since most of the Stuff i just listed is quite expensive and also given that this will propably be used rather rarely (seriously, how much Interresing Stuff coud you film with an High-Speed-Camera-Drone? Even in an Action-Movie...), i think that is about the Reason something like this has only be done once by those Guys with that Phantom 4K. Huge and Heavy cameras (including all kinds of High-Speed-Cameras) on Gimbals and Glide-Cams and Robot-Arms /Cranes on the other Hand has been done since ages, even with those Old, huge Film-Cameras and big Cinema-Cameras, where the Cameras-Rigs on the Glide-Cams or Gimbals would sometimes be as heavy as 20Kg or even more.
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So if you only want more than 60fps from a drone, try something like a drone for a Gopro or even Phone or even think about something like an RX0 from Sony.
I am Not quite up to date with the new GoPros and Phones, but those should do at least 120 / 240 fps in good Quality and even more with the RX0 in Less good Quality. Drones for Cameras of such size are Cheap, small and easy to find. Also mostly easier to control.
If you need more fps/ Resolution, you will most likely need to go with an pretty Serious Drone
10
Chronos User Discussion / Re: Mounting Camera to Microscope
« Last post by Nikon1 on January 15, 2019, 12:49:12 PM »
This adapter should work.
It is an adapter from Nikon-F Mount (should be the on the Microscope side) to an C-Mount thread.
You will need to use an 5mm C-Mount Spacer to connect the Adapter (no matter if you buy the more or less expensive one) in the amazon-Link to your Camera, since the Chronos has an CS-Mount.
This is Basicaly just an 5mm Spacer with an male and an Female C-Mount Thread, and should come included with your Chronos camera, if you bought one with the Kit-Lens.
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