Sony A900: A Closer Look at 24.6MP Resolution and Noise
by Wesley Fink on October 27, 2008 2:00 AM EST- Posted in
- Digital Camera
Samples
Click on any image below to bring up the full Sony A900 24.6MP image complete with EXIF data. Note that image sizes range from 5.1MB to 10.7MB.
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The sample images should make it very clear that 24.6MP is capable of capturing an astounding amount of information. This resolution also demands the absolute best in lenses and any fault, no matter how minor, will clearly be an issue in high-resolution images captured with the A900.
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Wesley Fink - Monday, October 27, 2008 - link
We plan to begin using another target in our full-frame DSLR roundup to come when th 5D Mk II is finally shipping. There is already a huge database of "component boxes" test shots and it makes more sense to make a change when you can provide a group using the new setup.Cameras that are reviewed do not stay in our possesion forever, so it really isn't always possible to reshoot models that were tested in earlier reviews. At present we buy all the models reviewed on the open market and resell them soon after the review is completed.
haplo602 - Monday, October 27, 2008 - link
Actualy they can't because they want to be different. there's a reason why you find NR/high ISO test done on a color checker chart on the other sites, while you get a 3 color (ok black, white and green) on AT.Using a color checker chart would be too mainstream it seems ...
xsilver - Monday, October 27, 2008 - link
odd also that more wasnt mentioned about the actual revolutionary things about the a9001) dual bionz chip allowing 24mp images at 5fps
2) in body IS for a FF sensor (first)
Wesley Fink - Monday, October 27, 2008 - link
We chose not to republish our preview as part of the final review as some other sites do. However the hands-on preview is linked in the first sentence of the review. The points you make are covered in detail earlier in that article. We also mention both points in this review but we did not go into detail about them again.If enough readers want it we can include the preview information again in the final review. Some important cameras, like the A900, tend to generate a series of articles exploring different aspects of the camera.
xsilver - Tuesday, October 28, 2008 - link
I think a field test of the IS system would be goodeg. 70-200mm canon USM IS vs sony 70-200mm with body IS
which is better? how many stops exactly.
maybe also a test with something wide like a 35/50mm
I think just repeating what they are is not much of a test.
For the fps test, you could run it through some different memory cards and see if the write speed is affected.