???
Ph
Le 14 juin 2014 à 19:38, Ken Norton <ken@xxxxxxxxxxx> a écrit :
> Still haven't had a moment to get to my test images, but recently I did do
> a bumch of testing with lens filters on digital for several reasons. It
> really is a miracle that any of this stuff works.
>
> Many years ago, I was trying to figure out audio compression algorithms and
> seeing what types of material would cause it to break. I was also
> performing the same tests on FM Stereo and AM Stereo. Turns out that there
> was a bug in the MPEG Joint Mode algorithm that nobody knew was there.
> Granted, it took world class test gear, but I found it. The question I had
> was what would happen if you fed out of phase program to both channels. The
> answer was not what anybody wanted to see or hear. The algorithm was one
> sample out of phase.
>
> AG Ears.
>
> On Saturday, June 14, 2014, Philippe <philippe.amard@xxxxxx> wrote:
>
>> I'm still afraid there's a HUGE misunderstanding Chris.
>>
>> Look carefully here :
>> http://www.olympusamerica.com/crm/oneoffpages/ask_oly/crm_e_ask_oly_07_07.asp
>>
>> I've been trying for the start to explain that you don't need to carry
>> glass filters if you shoot raw/ORF and post process from there.
>> Your PC/MAC and post-processing software are so much more powerful than
>> the poor chip on board any camera.
>>
>> This being said, I'm running short of arguments as you seem to be willing
>> to stick with settings of no value for what you want to achieve I'm afraid.
>>
>> Amities
>> Philippe
>>
>>
>>
>> Le 14 juin 2014 à 16:32, Chris Trask <christrask@xxxxxxxxxxxxx
>> <javascript:;>> a écrit :
>>
>>>>
>>>> Le 13 juin 2014 à 23:51, Chris Trask <christrask@xxxxxxxxxxxxx
>> <javascript:;>> a écrit :
>>>>
>>>>> Could it be that RAW and HQ with no compression are to be used if the
>> filters are to function?
>>>>
>>>> Do you mean to say that RAW and HQ are related? I think not.
>>>> The size of the raw file doesn't vary whatever SQ HQ LQ you use, does
>> it?
>>>>
>>>
>>> Yes, as it should. I have mine set to SQ with 1/8 compression,
>> which results in 1.7M or so files.
>>>
>>>>
>>>> My tip of the day - just forget about these in camera filters and
>> convert from the raw, this is where
>>>> the information is, without a loss, and leaves much more room for you
>> to adjust your BW to taste ;-)
>>>>
>>>
>>> Ultimately I will, but the emulated filters are convenient if I
>> should learn how to use them. I don't want to be carrying multiple filter
>> wallets, just the one with some cooling and warming filters plus a +1
>> diopter closeup and some adapter rings.
>>>
>>>
>>> Chris
>>>
>>> When the going gets weird, the weird turn pro
>>> - Hunter S. Thompson
>>> --
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>>
>
> --
> Ken Norton
> ken@xxxxxxxxxxx
> http://www.zone-10.com
> --
> _________________________________________________________________
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