Nice sample shot showing the resolution of the A900 + Sony 50/2.8 macro, 1/20 s, f/4, 640 ISO, F58 flash. Captured in RAW, converted in ACR 4.6, downsized and sharpened for web in CS3. A 100% crop from the central 1 MP of the image is also included.

Follow the link to my smugmug gallery, mouse-over the image and select X3Large: