Friday, July 16, 2010

Sony NEX-5 VS Pentax K-x ISO/IQ Shootout (Dual Scenes)



Before you measurbate or even make a comment after that, do read the following Testing Conditions and Notes first! Last time, I was just too lazy to type less things as I think the EXIF data are there and my recent testing and posting methodology has been adopted for quite a while now (and should be well known). But still and unfortunately, people are confused and have been arguing! :-(

Testing Conditions and Notes:-

1. Click on any thumbnail below will open a Large Image in 10.6MP size, for both cameras. A new/separate Window/Tab will be opened. As the image size is now unified for images that are originally in different size (coz the cameras are with different pixel count, "100%" view and comparison are facilitated);

2. If you still want to download the original full size samples, just go to the individual original image pages and click "high res. image" under the "download" tab/menu;

3. Test was carried out outdoor on a bright sunny day. All samples taken handheld for the same scene, at the same place, at the same Av, at the same focal (as indicated on the zoom lenses' scales), at nearly the same time. Besides, no lens hood was put on the lenses of both cameras;

4. Detailed settings of the NEX-5 for making the samples are as follows:

"Standard" "Creative Style" with Default Parameters (Factory Defaulted), Av Mode, Manual ISO (of course), DRO/ Auto HDR Off, AF/Central AF Point, Auto WB, Large Fine Jpeg (in 14M), Evaluative Metering (No Exposure Compensation, No AEL), Auto NR (no further setting can be adjusted anyway), Lens OSS On (Factory Default);

5. Detailed settings of the K-x for making the samples are as follows:

"Bright" "Custom Image" with Default Parameters (Factory Defaulted), Av Mode, Manual ISO (of course), DRO/ Highlight/Shadow Correction/HDR All Off, AF/Central AF Point, Auto WB, Large Fine Jpeg (in 12M), Evaluative Metering (No Exposure Compensation, No AEL), High ISO NR "Weak"/Starting from ISO 1600, Body SR On (Factory Default);

6. What to Measurbate? (I won't comment further - you judge yourself! Different people could have different observations and opinions anyway! :-)) Inspect the samples and see the colour response, exposure accuracy, resolution/focusing accuracy - for both central and corner "sharpness", sharpening artifacts, sense of perspective/3d feel and so on..

Well, let's go! :-o

Scene 1, at Infinity, 24mm f/8:-

ISO
NEX-5 + E 18-55/3.5-5.6 OSS
K-x + DA 16-45/4
200
400
800
1600
3200*
*Overexposed as a result of maximum Tvs (NEX: 1/4000s; K-x: 1/6000s) were reached.

Scene 2, at Middle/Far Distance, 28mm f/11:-
ISO
NEX-5 + E 18-55/3.5-5.6 OSS
K-x + DA 16-45/4
200

400
800
1600
3200


Next Coming../Blog Trailer:-

BIG Question: Would Turning On/Off the SR of the K-x on A Bright Day Affect Image Shaprness??


Further Reading:-

Sony NEX-5 and NEX-3 Hands-on Impressions / Quick Review

Summary Matrix for Equipment Tests and Reviews

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