India Point Park

India Point Park
by matt-ball                

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  • 0 posts edited
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  • 274 votes cast
Feb
2
comment Why don't event photographers release non-touched up images?
I don't think the first point is really valid - as long as the equipment is "good enough", the skill of the photographer is more important than the equipment. Yes, a faster prime will give better depth of field control, BUT it doens't mean you cannot shoot good images with a slower lens either.
Jan
20
comment What do I need to photograph paintings with accurate color?
@MichaelClark Differences in the spectrum that you can only measure with expensive equipment and cannot be perceived otherwise aren't exactly a problem if you are trying to have an accurate reproduction. - You are trying to get an accurate reproduction not an identical carbon copy.
Jan
20
comment What do I need to photograph paintings with accurate color?
@MichaelClark I'm not sure that's quite accurate. Of course if you want to compare the topography of say an oil painting a print won't ever reproduce it. BUT: in terms of frontal views, there would not be a lot of variation - even less with a modern era print. It is doubtful you would see a difference from say a change of 15° in the viewing angle. To reproduce that view, one needs to recreate the "effect", not the structure. Nice examples: Birds, butterflies and also spiders - all create colour through micro/nanostructures rather than pigment - and get the same colour with different structure.
Jan
20
comment What do I need to photograph paintings with accurate color?
@BogdanWilli Print with Gold nanoparticles? - Or is your problem more that they are a mirror and hence hard to record? I don't exactly see what the problem is. Obviously an average ink jet printer isn't up to the job, but I don't see how it would be impossible.
Jan
20
comment What do I need to photograph paintings with accurate color?
@BogdanWilli There are wider colour spaces than Adobe RGB - for example ProPhoto RGB digital-photo-secrets.com/tip/2401/… Apparently some lab colour spaces are larger, but can't find a source other than a post on a forum right now... Whether you can show it on a single display or print is is another question - but you can definitely record a lot. Yes, "recorded light" will be in discrete values, but with small enough steps, these will be indistinguishable from continuous data.
Jan
20
comment What do I need to photograph paintings with accurate color?
@MichaelClark Have you got a reference for that? It does not sound right to me - googling does not bring up anything useful. Wikipedia suggests a sensor covers more than the visible spectrum, BUT it isn't a reliable resource. Plus, there is always the image of a multiple camera setup ;) - en.wikipedia.org/wiki/Full-spectrum_photography , missionscience.nasa.gov/ems/09_visiblelight.html , extremetech.com/electronics/… (last link on modifying filters which limit the spectrum on a common camera)
Jan
20
comment What do I need to photograph paintings with accurate color?
Why would the colour space be limiting? - The camera does not have enough dynamic range? Get a better camera - or if that isn't enough, use an HDR type technique to maximize the amount of captured detail. Given that a painting tends to be very patient, you are free to use every possible technique to compensate for any drawbacks in the camera equipment. BUT: One thing would be impossible to compensate - a weird spectrum in the light sources.
Jan
20
comment What do I need to photograph paintings with accurate color?
Mirror lock-up is a good point (though there is a lot of debate on whether you see the impact, especially outside of a tele lens). BUT: There is no need to use the self timer. A cable or infra-red remote works just as well - mirror lock up is an independent function - however if you do not have a remote the self timer is the second best option to reduce camera shake on the tripod.
Jan
19
comment What do I need to photograph paintings with accurate color?
+1 for the colour chart. Without a reference (could also be a grey card, but colour chart would be better) there is effectively no way you can every be certain of the accuracy of your colour.
Jan
14
comment Can an amateur significantly improve colour on a factory-calibrated monitor (like the Dell U2414H)?
Given that calibration also includes aspects such as ambient lighting & display brightness, yes, a calibration tool can be very useful. In some cases it can also improve beyond the factory calibration. I personally use a Spyder, but there are other tools as well.
Jan
11
comment Could a “universal exposure” setting be practically possible?
@MichaelClark Indeed - it does contain it when I re-read it now (no edits recorded). So I guess it got lost in noise when I looked over the answers...
Jan
11
comment Could a “universal exposure” setting be practically possible?
I'd say your answer is the only one that contains the key point: Sensors don't produce a continuous readout which would be required for what the OP desired. If one wanted continuous exposure, one would require continuous data output at very small time steps (smaller than "Live View" and similar).
Dec
22
comment Digitizing old photos flatbed scanner or dslr?
@Giancarlo Could be - but it could also be dirt which produced a blurry/milky piece of glass (etc.) to look through. Assuming all is clean, a scanner would be very sensitive to distance - i.e. I would expect bad results if there is a (large only?) gap between the element to be scanned and the glass. (quite simply because they are designed for pages to be flush with the glass.)
Dec
21
comment Why does computer screen size affect image quality?
Specifically in the case of the OP, I would suggest that one viewer/computer smoothes the image while enlarging (effectively upscaling as most upscaling algorithms that we actively use smooth the output too) while the other does not.
Dec
21
comment Why does computer screen size affect image quality?
If you want to display an image in a size that requires a higher resolution than is available, it has to be upscaled. Never said it had extra information - but what you do get it different results when upscaling depending on the process & algorithms used. Ideally one will want to sharpen a bit after upscaling.
Dec
21
comment Why does computer screen size affect image quality?
@Octopus Key word scaling - different scaling algorithm. (So yes, what you suspect and what I touch on with DPI scaling).
Dec
21
comment Why does computer screen size affect image quality?
@jeremyradcliff Happy to help :)
Dec
21
revised Why does computer screen size affect image quality?
typo fixes
Dec
21
comment Digitizing old photos flatbed scanner or dslr?
Looks to me more as if something is wrong with the scanner. Dirty glass/sensor element? - A scanner should provide better quality.
Dec
21
comment Which compact camera to buy for starry skies, city lights and close ups?
I'm a big Canon fan, but the S120 is old. The G7 X would be a better choice if you pick a compact Canon (no bulb mode, max 30s exposure) or one of the newer "Gs" which have the same sensor as far as I am aware. Though in the end I suspect it will come down to reading specs and reviews. If you want flexibility an interchangeable lens camera will also be a better choice - though it tends to be larger and more expensive.