Sorry, I was responding to the original question re the Xpro-1. I
hadn't noticed that you changed cameras on me. I have no idea why LR
should pop the image like a slide projector heating the film. I have it
but don't use LR.
Chuck Norcutt
On 5/2/2013 9:22 AM, philippe.amard wrote:
> thanks Chuck but not only is the sensor not that of the x10 but your
> message doesn't explain why the photo has to "pop" when the preview is
> displayed :-(
>
> Thanks al the same :-)
>
> Ph
>
>
> Le 2 mai 13 à 14:50, Chuck Norcutt a écrit :
>
>> From DPReview's review of the Xpro-1
>> -----------------------------------------------------
>> Sensor • 23.6mm x 15.6mm (APS-C) X-Trans CMOS sensor
>> • 16.3 million *effective* pixels
>> • Primary colour filter (RGB color filter array)
>> ----------------------
>> Image sizes 3:2
>> • 4896 x 3264
>> • 3456 x 2304
>> • 2496 x 1664
>> -----------------------------------------------------
>>
>> Note maximum image size occurs at 3:2 aspect ratio and is 4896 x 3264.
>> Emphasis placed on *effective* is mine.
>>
>> Chuck Norcutt
>>
>>
>> On 5/1/2013 6:35 AM, philippe.amard@xxxxxx wrote:
>>> I also notice that loss in LR with the x10 - the previews suddenly
>>> seem to "plop" as a cold slide would in the projector ...
>>> I attributed it so far to a sort of hidden lens adjustment.
>>> Yet Moose's explanation also makes much sense to me.
>>> What I don't understand is the 0.5 sec delay for the conversion to
>>> take place on screen
>>>
>>>
>>> Amitiés
>>> Philippe
>>>
>>>
>>>
>>>
>>>
>>> ========================================
>>>
>>> Message du : 01/05/2013 00:47
>>> De : "Moose " <olymoose@xxxxxxxxx>
>>> A : "Olympus Camera Discussion" <olympus@xxxxxxxxxxxxxxxxx>
>>> Copie à :
>>> Sujet : [OM] LR vs. Aperture image sizes [was LR5 beta}
>>>
>>>
>>> On 4/29/2013 4:47 AM, SwissPace wrote:
>>>> I had a quick look at some of my Xpro-1 raw files ... quite a bit
>>>> of border is missing from the
>>>> LR files which I have just discovered from viewing the aperture
>>>> version.
>>>
>>> Have you checked the image pixel sizes? I imagine you will find
>>> that LR delivers all the camera claims.
>>>
>>> If I recall correctly, camera specs and most converters ignore a
>>> few pixels along each edge. This is because they cannot
>>> be fully converted for accurate color, as some of the other,
>>> surrounding pixels needed for full decoding of the Bayer
>>> array are not there.That little set of border pixels are used in
>>> decoding color for those next further in, but not used
>>> directly as part of the image.
>>>
>>> Soooo, they need to include them in the Raw files, for use by
>>> converters, but they are not intended to be in converter
>>> output.
>>>
>>> DCRaw offers the option to produce these extra, edge pixels, so any
>>> GUI converter/editor using it underneath has that
>>> option, if desired. It's not really many pixels. On the A650,
>>> 3000x4000 becomes 3024x4032. I used DCRaw some time ago. I
>>> couldn't see anything wrong with the color of the extra pixels, but
>>> I only look closely at a very few images.
>>>
>>> I can see why the camera makers would not include them in their
>>> specs and most converters don't include them in their
>>> output. All it takes is one yahoo blogging about false colors at
>>> the edge of the image to cause endless trouble.
>>>
>>> Assuming this is what you are seeing, I'm not sure why Apple would
>>> include it.
>>>
>>> Edgy Moose
>>>
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>
> One sees clearly only with the heart. What is essential is invisible
> to the eye. Antoine de Saint Exupéry in Le Petit Prince.
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>
>
>
>
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