Diffraction Limit

Started Aug 28, 2013 | Discussions thread
Dr_Jon Veteran Member • Posts: 4,709
Re: Diffraction Limit

Great Bustard wrote:

Too many relate the effects of diffraction to the size of the pixel as opposed to the proportion of the photo the Airy Disk spans.

As you may have read in my previous post (and take this slightly light-heartedly, I'm not trying to start an argument, just add a point)...

Too many assume the final photo will be the whole sensor area... and use that to make absolute judgements. (Sometimes without stating they are making that assumption.)

If you crop to zoom, as any wildlife, or especially astro, photographer will do a chunk of time, the diffraction to pixel size can be quite important, if nothing else is limiting resolution at that point. (Also noise, but that's another story.)

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