Timeline for Pixel: Any camera app to stack subject and background into the same JPG, so that both appear sharp?
Current License: CC BY-SA 4.0
27 events
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| Sep 17 at 1:47 | history | edited | Nicolas Raoul | CC BY-SA 4.0 |
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| Dec 28, 2022 at 15:44 | comment | added | Michael C | @NicolasRaoul HDR requires more than one exposure, as does any form of focus stacking. Unlike HDR, which can usually get by with only 2-3 frames, focus stacking usually takes at least half a dozen, if not more. By which point you need the scene to remain static for long enough that you might as well use a Lytro light field camera... | |
| Dec 14, 2022 at 9:02 | answer | added | Merlin | timeline score: -1 | |
| Dec 12, 2022 at 5:03 | comment | added | Nicolas Raoul | "making it appear that more than one distance is in focus": Yes that's exactly what my question is about. :-) "only one distance can be in sharpest focus": A long time ago the same kind of affirmations were being made about contrast... then HDR was invented and now most camera apps can do it. | |
| Dec 12, 2022 at 4:56 | history | edited | Nicolas Raoul | CC BY-SA 4.0 |
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| Dec 12, 2022 at 3:46 | comment | added | Michael C | @NicolasRaoul The two questions aren't different, though. They're both based on the incorrect assumption that multiple distances can be in focus at the same time. That is simply not true. only one distance can be in sharpest focus at any one time. Everything else is about making it appear that more than one distance is in focus when they really are not all equally in focus. | |
| Dec 12, 2022 at 2:58 | comment | added | Nicolas Raoul | @MichaelC: I am sure there is a software solution to the present problem. There must exist an Android app that quickly takes two pictures with different focuses and stacks them. Or there will probably be such an app soon, as this kind of smartphone camera becomes prevalent and people continue to want a picture of their croissant with the Eiffel Tower. Such an app would be a great solution to my question, but not the the point-and-shoot ("dumb camera") question. This proves that the two questions are different. Thanks! | |
| Dec 12, 2022 at 0:10 | comment | added | Michael C | Except when we're considering buying a camera to accomplish a specific task? Then we may actually start with a lens in mind and find a camera with a sensor size (and mount that works with that lens) to match to it? If the lens in question is C-mount or M42, then the camera possibilities are rather numerous. In the case of a cell phone, though, we're not usually talking about one specific sensor apart from one specific lens, are we? | |
| Dec 12, 2022 at 0:06 | comment | added | osullic | Michael, come on. Cameras start with a sensor, and we use the lens to change the angle of view. Nobody ever talks about a wide-angle sensor. | |
| Dec 12, 2022 at 0:05 | comment | added | Michael C | How much sense does it make to say: "It's not really correct to speak about a large denominator. The numerator and the denominator are two different things (working together of course), but it's the denominator that determines the value of a fraction, not really the numerator per se." | |
| Dec 12, 2022 at 0:05 | review | Close votes | |||
| Dec 20, 2022 at 3:05 | |||||
| Dec 12, 2022 at 0:02 | comment | added | osullic | You have cut a snippet out of my sentence! Jeez you just love to argue ;) Again, I repeat, my first comment was carefully composed. You and I and the OP can all see something meaningful in it. | |
| Dec 12, 2022 at 0:02 | comment | added | Michael C | "It's the lens that determines the angle of view..." seems fairly exclusionary of any other factor, doesn't it? | |
| Dec 11, 2022 at 23:53 | comment | added | osullic | @MichaelC I didn't say it is only the lens. My first comment was carefully composed. You and I and the OP should all be able to see something meaningful in it. This back-and-forth achieves absolutely nothing. | |
| Dec 11, 2022 at 23:49 | comment | added | Michael C | Does this answer your question (Different camera, same problem and same answer)? Panasonic Lumix TZ100 - how to stop autofocusing and just get everything in equal focus? | |
| Dec 11, 2022 at 23:48 | comment | added | Michael C | Related: Is camera lens focus an exact point or a range? and Hyper focal distance versus maximum focus distance before infinity and Panasonic Lumix TZ100 - how to stop autofocusing and just get everything in equal focus? | |
| Dec 11, 2022 at 23:09 | comment | added | Michael C | @osullic But what you can do is use an LF lens on smaller format cameras. An 80mm LF lens will cover all of the other sensor sizes mentioned in my comment. Both the FL and the sensor size are equal factors in the angle of view of the end result. To say it is only the lens is incorrect. | |
| Dec 8, 2022 at 11:32 | answer | added | inkista | timeline score: 1 | |
| Dec 8, 2022 at 10:34 | comment | added | Nicolas Raoul | @osullic: I am not using Portrait Mode (the new name for Lens Blur). | |
| Dec 8, 2022 at 10:33 | history | edited | Nicolas Raoul | CC BY-SA 4.0 |
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| Dec 5, 2022 at 23:20 | comment | added | osullic | I just knew someone was going to argue with me! I'm well aware of all of that. Still - it is not right to talk of a wide-angle sensor. And your counter-example is facetious, because all your hypothetical 80mm lenses have different size image circles. You can't put a phone lens on a large format camera, and all of a sudden expect to have a wide-angle field of view. And I know you know that too. But here we are, veering off-topic. | |
| Dec 5, 2022 at 21:28 | comment | added | Michael C | @osullic Angle of view is a direct product of both the lens focal length and the sensor size. Consider an 80mm lens. On a 1/2.3" sensor, diagonal AoV is 5.6°. With µ4/3 it's 15.5°. APS-C gives 20°, FF yields 30.3°, 4X5 winds up with 86° AoV, and 8X10 is 124°. | |
| Dec 5, 2022 at 18:15 | answer | added | juhist | timeline score: 3 | |
| Dec 5, 2022 at 12:54 | comment | added | osullic | Are you sure that you don't have some Lens Blur type effect enabled? | |
| Dec 5, 2022 at 12:44 | comment | added | osullic | It's not really correct to speak about an ultra-wide sensor. The lens and the sensor are two different things (working together of course), but it's the lens that determines the angle of view, not really the sensor per se. | |
| Dec 5, 2022 at 11:34 | answer | added | Saaru Lindestøkke | timeline score: 1 | |
| Dec 5, 2022 at 9:09 | history | asked | Nicolas Raoul | CC BY-SA 4.0 |