Messages

16

Chronos User Discussion / Re: Using the charger with an inverter

« on: June 23, 2017, 12:36:26 AM »

Hey Gyppor.

To be honest, nothing that is not a heater likes a stepped(modified) sine inverter. They are basically next to a square wave. The buzzing in the power supply unit the switch mode inside dealing with its weird input, other then it loosing some efficiency it should charge fine


- Max

17

General high-speed discussion / Re: Raising a glass to David and the successful shipping of his camera

« on: June 20, 2017, 03:52:05 PM »

https://www.youtube.com/watch?v=_DuPiayORdA

Recorded at 1,700FPS, playback at 60 (28x slowed)
Lit with a Stratus LED module: https://www.stratusleds.com/module
Using a cheap lens: https://smile.amazon.com/gp/product/B...

Hehehe, Those LED's are basically a more compact version of exactly what i built

18

Chronos User Discussion / Re: Chronos 1.4 Footage Thread

« on: June 18, 2017, 03:01:44 PM »

I haven't seen any steady lines like those shown above but occasionally I have seen light/dark bands that will move vertically as the exposure time is adjusted. I'm not sure if they are associated with any particular resolution or frame rate but I'll see if I can reproduce it.

How about some electrical arcs crawling across and through wood:
http://i.imgur.com/zp64MPy.gifv
http://i.imgur.com/IfF5Kxe.gifv

The line is there for most shots over 15Kfps, It is most noticeable in low light situations. As long as you have plenty of light it shouldn't be an issue. We do hope to have the bug fixed in the next software release.

- Max

19

Chronos User Discussion / Re: Inexpensive neck strap mounting on the Chronos camera

« on: June 18, 2017, 12:05:43 PM »

Actually, we did build a neck strap for Maker Faire here in Vancouver so we did not get tired carrying the cameras.
We utilized the mounting holes on the sides of the camera and mounted two small steel cable loops, then strung an eBay neck strap through the holes.


- Max

20

Chronos User Discussion / Re: Chronos 1.4 Footage Thread

« on: June 17, 2017, 03:53:11 PM »

At 720p the picture seems fine, but at lower resolutions the lines appear as seen here - https://www.youtube.com/watch?v=SIRFr4rGwM0
They do not display on lighter pixels, but do in shadow / midtones.
I did a black cal multiple times, restarted etc, still there.
Is it a sensor problem, user error or software?

The Line that shows up at lower resolutions is a current software issue and is high on the debug list. I will update this message when I have more info on the issue.

I am guessing it seems to move up and down when you change the shutter timing as well?

-Max

21

Software Dev / Re: Initial feedback

« on: June 01, 2017, 10:13:20 PM »

Cheers on drawing the UI, I quite like how you styled the buttons and functions.

I do agree it would look alot nicer with the buttons having a more crisp box around them.

Cheers,
Max

22

General high-speed discussion / Re: Raising a glass to David and the successful shipping of his camera

« on: May 31, 2017, 04:30:07 PM »

Lots of work was behind it

23

General high-speed discussion / Re: Which cheap Amazon LED's are recommended?

« on: May 29, 2017, 11:09:39 AM »

Or they will use PWM to dim which sucks too

24

General high-speed discussion / Re: Which cheap Amazon LED's are recommended?

« on: May 29, 2017, 11:08:35 AM »

You need to make sure the LED's power supply has enough filtering on the output, and that the driver is not overloaded. Some crappy leds will flicker at full power due to the leds discharging the caps before the next fill from the ac input.
I've seen some leds with no drivers and they look horrendous.

Cheers,
Max

25

General high-speed discussion / Re: First shots with the early bird camera!

« on: May 27, 2017, 01:41:28 PM »

Quite interesting, I personally have not used the camera for anything other they controlled scientific events.
The flag is quite interesting, especially how you can see the waves going through it.

Cheers,
Max