You could probably be safe with a 4-6 times range. There aren't many <f2 lenses that are sharp wide open. Those that are, cost.Every lens I know is soft wide open in the corners of the frame, including lenses that cost 2-3 times as much as the camera in question.
For any given (fixed) output size (for instance as wallpaper on your desktop or as a print of a given size), it won't make any noticeable difference.This is certainly going to be a strong contender for another camera in my house! My wife wants something she doesn't have to learn and the X100 definitely isn't that! I have been reading everything I can about this camera and I have come up with a question based on a remark I saw on another site. There is some concern by some people about the 20MP on a sensor this size. Now I don't profess to have a clue when it comes to understanding the relationship so if this is a silly question I apologize.
If you set the cameras resolution to something less than 20MP, say 12MP, are you in fact then using a 12MP sensor? Would this make any difference to the quality of the pics?
That was two question, sorry lol. Thanks in advance for your help.
But only if the technology is the same. The Nikon D800 looks nearly equal to the D700 at 100%, although it has three times as many pixels.If you insist on viewing your photos at a given magnification (for instance 100%, with each photo pixel being represented by one screen pixel, or at for instance 200dpi), then more megapixels lead to more noise
At the moment, the sensors offering the largest dynamic range are those with most pixels in their class. I am referring to the sensors of the Sony A77 and the Nikon D800. So there need not be any penalty in dynamic range. On the other hand, pixel density of the A77 and the D800 is not as big as that of the RX100.There might be a small penalty in dynamic range (difference between darkest and lightest light values that the sensor is capable of recognising) but it shouldn't be a huge downside.
Don't need to rely on a review. You can look yourself. Just check the comparometer. They've had the RX100 shots up for about a week.In fact, according to Focus Numerique, RX100 has better image quality than Nikon 1 despite having twice as many pixels.
Test Sony RX100 : gestion du bruit électronique - Focus Numérique