Color temperature: maybe yes, maybe no. Presets with green-magenta &
red-blue, maybe yes. This needs some experimentation.
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Here's the rough correspondence between ISO values and raw codes sent
to the camera (to be viewed with monospaced font):
//~ const int iso_values[] =
{100,125,160,200,250,320,400,500,640,800,1000,1250,1600,2000,2500,3200,4000,4500,5000,6400,7000?,8000,
bad, ???, ???, ???, ???,12500};
//~ const int iso_codes[] = { 72, 75, 77, 80, 83, 85, 88, 91, 93, 96,
99, 101, 104, 107, 109, 112, 115, 116, 117, 120, 121, 122, 123, 124,
125, 126, 127, 128};
Code for setting the ISO:
static void
iso_toggle( void * priv )
{
unsigned * ptr = priv;
*ptr = (*ptr + 1) % 150;
if (*ptr < 72) *ptr = 72;
lens_set_iso(*ptr);
}
And an experimental build is attached. This build might fry your
sensor (but it didn't do any damage on mine... yet), so use it at your
own risk. As with all Magic Lantern builds, if it breaks, you get to
keep both pieces.
Usage: Shoot menu -> IsoOverride. You can set raw values between 72
and 149. Values higher than 122 will result in "artistic" shots like
in previous mail (but some of them may work well). In live view
(preview only), all values seem to work well ('cause exp.sim
uses.different code than actual shooting).
Code for this test feature is also attached (clone the latest sources
and paste shoot.c over the old one).
If you try it, please share your findings here. Thanks.
I'd like to know the correspondence between raw value & actual ISO
value. Exif will display a rounded value (100, 125... etc.) but the
histogram shows that the steps are smaller than that.
GCC automatically removes functions which are not called from code...
so the chances of fixing this by simply changing the value of this
property are small.
//~ const int iso_values[] =
{100,110,115,125,140,160,170,185,200,220,235,250,280,320,350,380,400,435,470,500,580,640,700,750,800,860,930,1000,1100,1250,1400,1500,1600,1750,1900,2000,2250,2500,2750,3000,3200,3500,3750,4000,4500,5000,5500,6000,6400,7200,8000,
bad, ???, ???, ???, ???,12500};
//~ const int iso_codes[] = { 72, 73, 74, 75, 76, 77, 78, 79, 80, 81,
82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98,
99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112,
113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126,
127, 128};
On Mon, Dec 20, 2010 at 3:49 AM, Pedro Barbosa <barbos...@hotmail.com> wrote:
> is it possible to display the iso value in the screen again? like in
> the beggining when e have the iso, shutter and iris...
>
Anyway, I've just shot some Xmas songs today. ML helped a lot (zebras
& manual audio) but here's what I've missed:
* Manual audio controls is good... but it could turn the volume down
automatically if it detects red peaks. But don't turn it back up. I
think it's best to turn down the digital gain. I've missed the first
song while trying to figure out how to turn the volume down.
* Auto HTP. Turn it on when it detects overexposure, turn it off
otherwise (and maybe turn on ALO). Do this only when not recording (or
maybe a shortcut key is enough).
* Panini cropmark
Someone asked me: what's that blue thing? motion detector? /* he saw
the zebra in action :) */
On Mon, Dec 20, 2010 at 3:23 PM, Justyna Nadriczna
On Mon, Dec 20, 2010 at 5:12 PM, Justyna Nadriczna
<justyna...@gmail.com> wrote:
>> Could you make even smaller ISO steps like it was previously so we would
>> have more options than 7D/5D ? That would be perfect
On Mon, Dec 20, 2010 at 5:14 PM, Justyna Nadriczna
On Mon, Dec 20, 2010 at 6:20 PM, Justyna Nadriczna
It would be helpful to check (with Debug->prop_draw) which properties
are changed on 5D2 or 60D when you modify kelvin white balance from
menu.
But if you're curious; http://en.wikipedia.org/wiki/Colour_temperature
has some examples of the colour temperature of various light sources.
Your white reference should look similar under all these lighting
conditions with the colour temperature set appropriately.
1,700 K Match flame
1,850 K Candle flame, sunset/sunrise
2,700�3,300 K Incandescent light bulb
3,350 K Studio "CP" light
3,400 K Studio lamps, photofloods, etc.
4,100 K Moonlight, xenon arc lamp
5,000 K Horizon daylight
5,500�6,000 K Vertical daylight, electronic flash
6,500 K Daylight, overcast
9,300 K CRT screen
Morgan.
Kelvin WB can be set from 1700 (in theory, I wasn't able to test this).
New feature: a third mode for ClearPreview (always). It removes all
the overlays from the display. Zebra & friends are still visible when
you use the Q menu.
This was tricky to implement, so please stress it and report all the bugs :)
Look in the archive for updated docs.
CJ Adams
Simplexity Digital Post
> <magiclantern-2010Dec22.550d.fw109.cleandisplay.alex.zip>
On 12/22/10 9:35 AM, h4nz wrote:
> a 1080 interlaced or better a progressive signal out of hdmi, would be
> nice to record without compression on a third party device like
> nanoflash. so you could probably record a raw full hd signal!
> if you put an external monitor on hdmi, normally it is sent a bad
> 1080i signal, with all the signs you see on the screen. when you press
> the record button on the camera, on the 5d and 550d the signal gets
> downscaled to 640x480 i think.
> so maybe there is something possible!
>
>
> On 22 Dez., 13:51, simplexitydigital<simplexitydigi...@gmail.com>
> wrote:
>> Would this also hide the on screen stuff for say video passthrough when not recording? Then we can send 1920x1080 out hdmi? not record? but say record on an ext device?
>>
>> CJ Adams
>> Simplexity Digital Post
>>
>> http://simplexitydigital.com
>>
>> On Dec 22, 2010, at 7:45 AM, Alex<broscutama...@gmail.com> wrote:
>>
>>> Latest build (my battery just went dead, so it's not fully tested).
>>> The other battery is home, charging.
>>> Kelvin WB can be set from 1700 (in theory, I wasn't able to test this).
>>> New feature: a third mode for ClearPreview (always). It removes all
>>> the overlays from the display. Zebra& friends are still visible when
>> Erfahren Sie mehr �