"Crop-ability" of images?

Started 3 months ago | Discussions thread
bobn2
bobn2 Forum Pro • Posts: 69,811
Re: Exposure vs Exposure
2

Tony Rogers wrote:

So you work for Kodak?

I was one of their students when knowledgeable people were at the helm.

Interesting.

This thread is about photographic exposure, and not about your rather odd remarks.

This sub-thread might be. But the thread was supposed to be about how the number of pixels on the sensor affects the amount of detail in the image and how it affects cropping and possibly about moving to Olympus from Nikon! Just sayin...

You're dead right. Whether what exposure means is really an issue depends on the context.

If Bill and Joe go out photographing and Bill asks Joe 'what exposure are you getting', and Joe answers 'eff five six at two fifty' the conversation is full of technical errors, but then it's colloquial, and they each know what they mean, so no problems.

The context of this discussion is a bit different. The discussion will move from just considering the number of pixels to the image quality given by those pixels, because that is relevant to the discussion. The image quality discussion in turn leads to one about the amount of light, because it is that which in the main determines image quality. So, the OP made a slight error in terms of his understanding of measurements of amount of light, I put in a polite correction, to which he responded positively. That might have been the end of it, except that a couple of people here decided that their misunderstanding of the basics of photography should be imposed on all of us, and pursued a strategy of battering away presumably in the hope that we'd give way.

That is a very common pattern in these kinds of discussion. Some people are very attached not only to their right to be wrong, which of course they have, but also to impose their wrongness on everyone else.

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