verwackelt Posted July 23, 2019 Share #61 Posted July 23, 2019 Advertisement (gone after registration) Photos are not only used for Printing in max. possible size or watched on a screen. Photos are today footage for composings that are made of several shots. The requirements at filesize from clients are sometimes ridiculous high. I saw 10000px 25GB PSDs images ending as a webbanner. High resolution is most times not really necessary but helps to cure the dreams of a lot of clients. Even when 60-100 MP is not often needed, is it good to have that leeway for cropping and enlarging part of an image to build another picture. 1 Quote Link to post Share on other sites More sharing options...
Advertisement Posted July 23, 2019 Posted July 23, 2019 Hi verwackelt, Take a look here Leica Lens MP Resolution?. I'm sure you'll find what you were looking for!
jaeger Posted July 23, 2019 Share #62 Posted July 23, 2019 On 7/21/2019 at 12:42 AM, ChicagoMatthew said: What’s not to understand? Lenses have a limit to what they can precisely translate to the focal plane... higher quality glass and engineering will result in an image that is sharper, has higher contrast, better color reproduction and generally more detailed image. If that wasn’t the case I don’t think we would be spending so much money on Leica lenses. So, I am asking if Leica lenses, in all their Leica glory, can take advantage of the 61mp of this new sensor. of course I understand that, what I'm confused it why associate with 61mp? a good lens will render the same on 24mp or 61mp. the advantage on more pixels is capable to crop more or some say digital zoom and it's not quality advantage. Quote Link to post Share on other sites More sharing options...
stephengv Posted July 24, 2019 Share #63 Posted July 24, 2019 https://www.streetsilhouettes.com/home/2016/7/9/leica-35mm-summicron-asph-i-vs-ii-24mp-vs-42mp-resolution-test what can you say about this article? thanks Quote Link to post Share on other sites More sharing options...
Chaemono Posted July 24, 2019 Share #64 Posted July 24, 2019 I can say that there is visible reduction of contrast in the Leica picture due to scattering of light by particles suspended in the air, meaning haze. LOL Quote Link to post Share on other sites More sharing options...
lct Posted July 24, 2019 Share #65 Posted July 24, 2019 Is it me or your 35/2 asph v2 looks less contrasty than v1? Or the light is not the same perhaps. Problem with that kind of comparison it is more difficult to avoid variables than when comparing still subject matters in artificial light. Human beings like your model may be much nicer though. 1 Quote Link to post Share on other sites More sharing options...
verwackelt Posted July 24, 2019 Share #66 Posted July 24, 2019 Is the website streetsilhouettes a leica sponsor site? Or how can young people have so many Leica Gear? Quote Link to post Share on other sites More sharing options...
Chaemono Posted July 24, 2019 Share #67 Posted July 24, 2019 Advertisement (gone after registration) Definitely not a Leica sponsored site. The dude could be just crazy rich. 😝 Quote Link to post Share on other sites More sharing options...
verwackelt Posted July 24, 2019 Share #68 Posted July 24, 2019 Not one Dude as i understand but 3 young woman. Must be very successful in their young career… Quote Link to post Share on other sites More sharing options...
Chaemono Posted July 24, 2019 Share #69 Posted July 24, 2019 Some Asian societies tend to be more fluid allowing for upward mobility and successful young careers more easily. It’s how America used to be. Quote Link to post Share on other sites More sharing options...
ChicagoMatthew Posted July 25, 2019 Author Share #70 Posted July 25, 2019 On 7/23/2019 at 11:41 AM, jaeger said: of course I understand that, what I'm confused it why associate with 61mp? a good lens will render the same on 24mp or 61mp. the advantage on more pixels is capable to crop more or some say digital zoom and it's not quality advantage. Mmmm, I don't know... this doesn't seem right to me. If you have a 24mp sensor and a 61mp sensor and they are both the same physical size, the 61mp sensor will have a more pixels crammed into a smaller space than the 24mp sensor... so, logically you would need a lens that could handle that. Quote Link to post Share on other sites More sharing options...
ChicagoMatthew Posted July 25, 2019 Author Share #71 Posted July 25, 2019 On 7/23/2019 at 3:03 AM, jaapv said: I am more than a bit puzzled about the negative perception of "lens era vintage lenses" Some of the very best lenses ever built are from the "film era" and are higher resolving and better corrected than their present-day counterparts. Just think of the Leica APO-Telyts. For instance the 280/4.0. That lens is diffraction-limited, one of the very few lenses that is. Nor is resolution in the plane of focus the only quality criterium for a lens. It is about the state of correction of ALL aberrations. Both in the sharp and unsharp areas. ESPECiALLY in the unsharp areas. This smells of the misconception that lenses are "built for digital" nowadays. Which is complete baloney. I don't have a negative perception of film era or vintage lenses, but they were made to resolve for film and digital has a higher resolution than film, it also comes with its own set of problems that need to addressed. I am sure there are some old lenses that stand the test of time, like the one you mentioned... but for the most part I would prefer to use a modern lens on a digital camera. Also, you're right in that resolution isn't the only quality for a lens, but it's a big one. The look of the out of focus areas is also important as you say. Personally, I think that modern lenses are vastly improved over older lenses in that regard... but that's preference. Quote Link to post Share on other sites More sharing options...
adan Posted July 25, 2019 Share #72 Posted July 25, 2019 16 minutes ago, ChicagoMatthew said: If you have a 24mp sensor and a 61mp sensor and they are both the same physical size, the 61mp sensor will have a more pixels crammed into a smaller space than the 24mp sensor... so, logically you would need a lens that could handle that. Let me "resample" that statement, and see if you agree with the logic. If you have a 48,000-hz audio recorder and an 88,200-hz audio recorder, the 88,200-hz recorder will have more samples crammed into a second than the 48,000-hz recorder... so, logically you would need a Stradivarius to handle that. 1 Quote Link to post Share on other sites More sharing options...
ChicagoMatthew Posted July 25, 2019 Author Share #73 Posted July 25, 2019 2 minutes ago, adan said: Let me "resample" that statement, and see if you agree with the logic. If you have a 48,000-hz audio recorder and an 88,200-hz audio recorder, the 88,200-hz recorder will have more samples crammed into a second than the 48,000-hz recorder... so, logically you would need a Stradivarius to handle that. First off, I am a sucker for a good pun. So, well played. As for your metaphor, I am not really sure its the same... but it makes sense to me if you were recording the Stradivarius being played you would want to use the 88,200-hz recorder to get the best result. Just like you'd want a high quality lens, paired with a high quality sensor to get the best total result. Quote Link to post Share on other sites More sharing options...
jaapv Posted July 25, 2019 Share #74 Posted July 25, 2019 2 hours ago, ChicagoMatthew said: First off, I am a sucker for a good pun. So, well played. As for your metaphor, I am not really sure its the same... but it makes sense to me if you were recording the Stradivarius being played you would want to use the 88,200-hz recorder to get the best result. Just like you'd want a high quality lens, paired with a high quality sensor to get the best total result. But the Stradivarius would be designed for the concert hall, so does it do as well as a modern fiddle, which is designed for high-frequency digital recorders? Quote Link to post Share on other sites More sharing options...
ChicagoMatthew Posted July 25, 2019 Author Share #75 Posted July 25, 2019 1 minute ago, jaapv said: But the Stradivarius would be designed for the concert hall, so does it do as well as a modern fiddle, which is designed for high-frequency digital recorders? Play a lot of fiddles do ya? Quote Link to post Share on other sites More sharing options...
jaapv Posted July 25, 2019 Share #76 Posted July 25, 2019 I use a lot of lenses... And I know that the concept "designed for film" bears no relationship to reality. The whole concept of lens resolution is far too convoluted to be caught in simplistic ideas like this. If you want to refer to (useless) resolution tests, the film used in the past was Technical Pan, which outresolves any present-day sensor with up to 200 cycles/mm. Quote Link to post Share on other sites More sharing options...
laowai_ Posted July 25, 2019 Share #77 Posted July 25, 2019 2 hours ago, jaapv said: I use a lot of lenses... And I know that the concept "designed for film" bears no relationship to reality. The whole concept of lens resolution is far too convoluted to be caught in simplistic ideas like this. If you want to refer to (useless) resolution tests, the film used in the past was Technical Pan, which outresolves any present-day sensor with up to 200 cycles/mm. Has anybody invented AI based sub-pixel sampling yet? Quote Link to post Share on other sites More sharing options...
farnz Posted July 25, 2019 Share #78 Posted July 25, 2019 45 minutes ago, laowai_ said: Has anybody invented AI based sub-pixel sampling yet? Do you mean "sub-pixel", "sub-sensel", or "sub-photodiode" sampling? Pete. 1 Quote Link to post Share on other sites More sharing options...
pico Posted July 25, 2019 Share #79 Posted July 25, 2019 5 hours ago, laowai_ said: Has anybody invented AI based sub-pixel sampling yet? I don't know what a sub-pixel is. Would it be a virtual pixel calculated from neighboring pixels? We have that in conventional algorithmic PP software. Would it be pixels created by statistical analysis of any given pattern of global and neighboring pixels? We have that, too. So, I'm curious regarding the goal of AI pixel sampling. 2 Quote Link to post Share on other sites More sharing options...
jaapv Posted July 26, 2019 Share #80 Posted July 26, 2019 Maybe he is referring to oversampling. Scroll down in the linked article. https://en.wikipedia.org/wiki/Optical_transfer_function Which, BTW, demonstrates the pointlessness of the original question. Quote Link to post Share on other sites More sharing options...
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