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PostPosted: Mon Jan 18, 2010 11:31 pm 
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Location: Brighton, UK
Hi everyone,

A couple of weeks ago I was in town and found at a Sony Centre a bargin that I just could not say no to. An A700 kit lens for under £500 brand new.
I have to say what a camera and I am loving it. I am still getting to know it and enjoying every minute of it for 3 reasons: 5 FPS ( when my little ones are on the move :wink: ), great noise control (compared to my A300 or even some of the Nikon and Canon cameras) and easy navigation. One thing I am finding a bit frustrating is the lack of what I have loved and used a lot on my A300 - Live View with tilting screen - I went out with the family to a farm on the weekend (WET & MUDDY :x )and had to go down and dirty for some low shots that wouldnt have been a problem at all with my A300. I knew that when I have decided to buy the A700 and now its a good excuse for me to keep my A300 :lol: :twisted:

Reason for this post. A700 what a Camera but then again I am sure all you A700 owners out there already new that

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PostPosted: Mon Jan 18, 2010 11:34 pm 
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A question if I may,
How come the RAW file from the A300 is only 10 mega-pixels in size where the RAW file of the A700 is 18 mega-pixels in size? Is it to do with the sensor or is the A700 handling more information than the A300?

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PostPosted: Mon Jan 18, 2010 11:38 pm 
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You mean megabytes, right? Have you tried doing the same kind of shot with both cameras? Cause sometimes extra light or extra colour can make a couple of MB difference...

Congrats by the way! Enjoy the A700!

- Bjorn -

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PostPosted: Mon Jan 18, 2010 11:41 pm 
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The A700 is 12MP compared to the A300's 10MP. Are you referring to file sizes rather than pixel counts?

I believe the RAW files from the lower cameras are not so raw and slightly processed (compressed?). e.g. on the A350 the raw output looks different with and without high ISO NR turned on.

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PostPosted: Tue Jan 19, 2010 7:37 am 
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Joined: Tue Dec 30, 2008 11:48 pm
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Location: Brighton, UK
My mistake. Yes I meant megabytes. The A700, a 12 miga-pixels camera with a RAW file of 18 megabytes. The A300 is a 10 miga-pixels camera with a RAW file of 10 megabytes. I assumed that the RAW files on any Sony DSLR camera is the same and thats why I was surprised to see a 18 megabytes file from a 12 mega-pixels camera. I will take the same picture, same settings on both camera and update you with the results.

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PostPosted: Tue Jan 19, 2010 7:58 am 
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I'm kind of pulling this out of nowhere, but doesn't the a200/300/350 use a 12-bit CCD sensor, while the 700 uses a 14 bit CMOS sensor. There is more information packed into those pixels so larger file size.

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PostPosted: Tue Jan 19, 2010 9:23 am 
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Now that makes sense. Thanks for that

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PostPosted: Fri Jan 22, 2010 7:02 am 
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ClayC wrote:
I'm kind of pulling this out of nowhere, but doesn't the a200/300/350 use a 12-bit CCD sensor, while the 700 uses a 14 bit CMOS sensor. There is more information packed into those pixels so larger file size.


A700 RAW files are 12-bit, just as A2xx, not 14-bit


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PostPosted: Fri Jan 22, 2010 9:39 pm 
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OK here it goes:

Took same pictures at standard settings using my A300 & A700
(same ISO setting, same lens, noise reduction off, same focal length etc)

results as follows:

A300 JPG 2.77MB
A300 RAW 10MB

A700 JPG 3.01MB
A700 cRAW 12MB
A700 RAW 18MB

seems like the A300 shoot cRAW and not RAW

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