Originally posted by enoeske Yes it does. Its directly answering it. Using the crop mode on the K-1 will not see (much) better performance than shooting with the K-5iis. The difference will be very slight. Why? Because, although you have a 1.5-2 stop better noise on the K-1, when you enlarge a cropped portion of the image, you enlarge the noise as well.
That makes little sense what so ever, with regards to the original post.
You have to stop making claims about quality performance when you are changing parameters.
The cropped section on the K-1 is about the same size, similar number of pixels and probably similar pixel density as the K5.
If the tech of the K1 has better image quality performance, then the answer to the original post is Yes.
If the tech isn't much better than the answer is no.
The original post was regarding the use of a crop lens so the question is likely regarding the crop area of the K1 sensor, only.
The original post had NOTHING to do with enlarging an image to that of the full frame area.
I don't know why some people get hung up on enlarging an image when comparing effects of light on the FF sensor vs crop.
Quality within the same area on a FF vs Crop has NOTHING to do with enlarging an image.
Quality of light coming from the lens is NOT affected by the size of the sensor. (That would be highly against all laws of physics, you wouldn't only go to jail, you'd probably have your atoms ripped to pieces and strewn about the universe in a millisecond)
Imagine the light from the sun hitting your body on a warm day.
But since a large surface affects the light, the planet on which you are standing somehow intensifies the light millions of times.
And as it shines onto Andromeda far off in the distance, being much larger than this planet, the light is made even brighter and clearer, meanwhile passing through your body -- you've just vaporized by the magical creation of energy.
WTF? Really? I do not get where these fascinating ideas come from.