Pixel peeping calculator
With high-megapixel digital cameras it isn't clear how close up to view them to determine image problems like focus and sharpness. Pixel peeping at 100% is certainly not the answer, but neither is the massive shrinking that "fit to window" does. So what zoom should you use?
The solution: Three easy steps
This calculator will recommend some reasonable viewing sizes. It will recommend the zoom you should set your viewer to when evaluating the detail of your photos.