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strong Posts: > 500

I think the flash speed cotrolled by the little sensor below the flash led
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Posted: 2009-02-15 10:27:05
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nnr3 Posts: 357

On 2009-02-15 10:27:05, strong wrote:
I think the flash speed cotrolled by the little sensor below the flash led

I tried anything to know the shutterspeed and I found out that it's costant at 1/250 sec with all auto mode.

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Posted: 2009-02-15 11:14:48
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kay188 Posts: 31

Quote:
On 2009-02-15 06:19:54, rodrigoc_p wrote:
@kay188:
the shutter flash (is manual (or mechanical)) be found in property 23 (if flash needed).

REMEMBER: slow flash sync with slow shutter and fast flash sync with fast shutter.

Yes syncing slow flash with slow shutter is true, but extensive modding me this camdriver is needed.

The mechanical shutter in just a cover that covers the senses from additional light.

From the rules me photography you need to use a shutter curtain to sync with the flash.
An electronic shutter cannot sync with flash because what he lag occurs electronically. Then the shutter will be slower than the flash.
That is why digital cameras all use a curtain when using flash.
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Posted: 2009-02-15 22:19:00
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Duran Posts: > 500

I'm currently using Brazuka's 6.0, and its great..but like the older versions, i keep getting "The camera is in use by another application, please close it and try again". I get this 50% of the time when i try to make a picture.. and it's rendered my k850 useless. I have to reboot to be able to make pictures.. (or wait for some time)

Any help?

Thanks

edit: it says in the main post "restart camera" but this does not resolve the problem

[ This Message was edited by: Duran on 2009-02-16 22:40 ]
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Posted: 2009-02-16 23:36:16
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ace1025 Posts: 47

is there any solution to fix dark background image when taking picture with flash on? does changing shutter speed help?
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Posted: 2009-02-17 10:24:46
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Kato Posts: 21

On 2009-02-16 23:36:16, Duran wrote:
I'm currently using Brazuka's 6.0, and its great..but like the older versions, i keep getting "The camera is in use by another application, please close it and try again". I get this 50% of the time when i try to make a picture.. and it's rendered my k850 useless. I have to reboot to be able to make pictures.. (or wait for some time)

Any help?

Thanks

edit: it says in the main post "restart camera" but this does not resolve the problem

[ This Message was edited by: Duran on 2009-02-16 22:40 ]

I think if you reduce the size of the buffer this problem gone
try shots with 3mpx or in quality "normal"
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Posted: 2009-02-17 14:04:30
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sale987 Posts: 372

On 2009-02-17 14:04:30, Kato wrote:
I think if you reduce the size of the buffer this problem gone
try shots with 3mpx or in quality "normal"

Will he well make it changing on the 3 mpix, but thats not solution, than i'll the rather go for someone else driver. But again good notice

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Posted: 2009-02-17 21:06:20
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rodrigoc_p Posts: 37

6.0 edited:

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Posted: 2009-02-18 01:44:42
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Ruxxx Posts: 105

not the best i've seen... :S
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Posted: 2009-02-18 03:45:27
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kay188 Posts: 31

On 2009-02-14 07:31:07, nnr3 wrote:

On 2009-02-13 23:06:23, kay188 wrote:
In the camdriver 6.0, the option of changing the shutter speed is given.
For those who want to modify the shutter speed but dont know what hex value reperesents what, I've taken the liberty to create a table of the shutter speed values of each hex value

In the camdriver, it was stated that FPS value needs to be in conjunction with the shutter speed. I personally do not know what effect the FPS has on the shutter speed.

*Note*
Tested values data were drawn from picture's EXIF data.
Values that are predicted are not labeled tested. Predictions are based on rules of photography's value increments.

0A is the FPS value

01 -> 1 + 0A = 1/6400 shutter speed
02 -> 2 + 0A = 1/5000 shutter speed tested
03 -> 3 + 0A = 1/4000 shutter speed
04 -> 4 + 0A = 1/3200 shutter speed
05 -> 5 + 0A = 1/2500 shutter speed
06 -> 6 + 0A = 1/2000 shutter speed
07 -> 7 + 0A = 1/1600 shutter speed
08 -> 8 + 0A = 1/1000 shutter speed
09 -> 9 + 0A = 1/800 shutter speed
0A -> 10 + 0A = 1/640 shutter speed
0B -> 11 + 0A = 1/500 shutter speed
0C -> 12 + 0A = 1/400 shutter speed tested
0D -> 13 + 0A = 1/320 shutter speed
0E -> 14 + 0A = 1/250 shutter speed
0F -> 15 + 0A = 1/200 shutter speed tested
10 -> 16 + 0A = 1/160 shutter speed
11 -> 17 + 0A = 1/125 shutter speed
12 -> 18 + 0A = 1/100 shutter speed
13 -> 19 + 0A = 1/80 shutter speed
14 -> 20 + 0A = 1/60 shutter speed
15 -> 21 + 0A = 1/50 shutter speed
16 -> 22 + 0A = 1/40 shutter speed
17 -> 23 + 0A = 1/30 shutter speed
18 -> 24 + 0A = 1/25 shutter speed
19 -> 25 + 0A = 1/20 shutter speed tested
1A -> 26 + 0A = 1/15 shutter speed tested
1B -> 27 + 0A = 1/13 shutter speed tested
1C -> 28 + 0A = 1/10 shutter speed
1D -> 29 + 0A = 1/8 shutter speed tested
1E -> 30 + 0A = 1/4 shutter speed
1F -> 31 + 0A = 1/2 shutter speed
20 -> 32 + 0A = 1 second shutter speed

Values above 1F are not tested.

My personal recommendation is 1B, of 1/13 of a second. Less camera shake than if you use 1/8 of a second.

Do you know how to change the flash shutterspeed? I want to change because it's insanely fast.
Thanks in advance.

I figured it out

//===============================XENON FLASH
seq_set_prop_e_0 = $sd 00 #SET_REG(91,00) #RET;
seq_set_prop_e_1 = $sd 01;
seq_set_prop_e_2 = $sd 02 #FLASH_SETTINGS;
seq_set_prop_e_3 = $sd 03 #FLASH_SETTINGS;
seq_set_prop_e_4 = $sd 04 #SET_REG(91,03);
seq_get_prop_17 =
#READ_REG(93)
$-4 02 $m0 4
$sf.06 0
$cd 02
$c0 01
#FL_A
$sf.06 1
$p5 10
$c5 04
#SET_REG(9E,1A)
#SET_REG(91,22)
$cl
#SET_REG(9E,0E)
#SET_REG(91,03)
$cx
$cl
$p5 10
$c5 04
$sf.06 0
#WB_CC
#SET_REG(91,00)
$cl
#WB_CC
#SET_REG(91,#FN)
$cx
$cx
$cl
$cx
$cd 03
$c0 01
#FL_R
$sf.06 1
$p5 10
$c5 04
#SET_REG(9E,1A)
#SET_REG(91,13)
$cl
#SET_REG(9E,0E)
#SET_REG(91,13)
$cx
$cl
$p5 10
$c5 04
$sf.06 0
#WB_CC
#SET_REG(91,00)
$cl
#FL_R
$sf.06 1
// #SET_REG(9E,#FS)
#SET_REG(91,#FC)
$cx
$cx
$cl
$cx
$s1 00 $s2 00 $s3 00;
//===============================XENON FLASH

If you want to modify the mechanical shutter speed, you need to change the 0E in the bolded line above.

The first bolded line is for Auto Flash mode.
The second bolded line is for R.E.R Flash mode.

Change the 0E to the corresponding shutter speed and hex values on my table above.

So if you change 0E to 11, then the shutter speed will be 1/125 of a second.

After taking a picture, the EXIF data shows that the shutter speed is indeed 1/125.

Edit to your liking

Thanks to strong for listing EVERY SINGLE line, on what values does what in his camdrivers

[ This Message was edited by: kay188 on 2009-02-18 06:13 ]
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Posted: 2009-02-18 07:05:20
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