What is the difference between depth of field and depth of focus?
Reading this answer I realized that I didn't know the difference between the two depths (of field and focus). Browsing related questions didn't reduce the blur (!) between the two... Wikipedia provides...
View ArticleHow does aperture affect focus area? [duplicate]
How does the aperture affect the focus area? Here are some examples:With an 35mm(50mm)/f1.8 prime lensWhat f-value will bring a group of people standing in five rows intofocus?What f-value will bring...
View ArticleWhat is back-focusing?
What is back-focusing? Is it something I need to be worried about, or can I just live with it? How can I tell if my camera/lens is sufferring from it?
View ArticleIs there a way to add depth map metadata to a jpg?
I want to make Facebook 3d photos directly from the computer. I understand how depth maps work and also how to extract them, but what about embedding them so you can make your own custom photos and...
View ArticleHow do I specify circle of confusion and depth of focus in practice?
This question is related to this one; I am asking a very similar one because I didn't see in the answers how to arrive to a numeric answer in practice.Suppose I'm going to shoot a portrait and have...
View ArticleDoes shift based perspective correction have any effect on focus?
Consider a photographer with an SLR camera and a PC lens attached in its default, unshifted position, standing on the ground at the base of a columned building whose height is X times that of the...
View ArticleWhat causes images to have flat depth?
I am learning about photography and I remember reading about an effect that causes images to look like there is no depth but now I cannot find what it is called or what causes it.I remember an...
View ArticleDepth of Field for scanning 35mm slides on flatbed scanners (Epson)
I have both an Epson V750 and V850 scanners and am trying to digitize a large amount of slides.The software for scanning does great for color restoration (slides dated from 50s on) but the issue is...
View ArticleWhy is depth of field not always symmetrical about the object, yet depth of...
I have found an explanation on this, however I cannot seem to picture what the explanation is saying. From a Toshiba technical article:Remember that the previous subsection mentioned that the depth of...
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Is this diagram I've drawn in regards to Depth of field correct?
This diagram is modelled after a video I saw on depth of field formula and its derivation. I have now learnt a bit more regarding Depth of focus and how it refers to "the tolerance of placement of an...
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