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why do you shoot raw
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Mar 17, 2018 08:29:08   #
selmslie Loc: Fernandina Beach, FL, USA
 
Carusoswi wrote:
chaman:
Good explanation. High quality tiff files derived from RAW converters such as Lightroom or software supplied by camera makers can be manipulated using software such as Photoshop or Gimp to make localized adjustments to enhance images as you describe. The result can then be exported or saved as a jpg.
I use darktable as my RAW developer, and it allows local adjustments to be made to the the RAW file, a workflow I find very useful. From darktable, you can export to jpg or other file formats as needed. I love that piece of software. But, until you get familiar with it, it can take some time to develop a file. It is, IMO, no harder than any other application, just different.
Caruso

Caruso
chaman: br Good explanation. High quality tiff fil... (show quote)

That explanation came from pecohen, not chaman.

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Mar 17, 2018 09:15:32   #
pecohen Loc: Central Maine
 
Carusoswi wrote:
chaman:
Good explanation. High quality tiff files derived from RAW converters such as Lightroom or software supplied by camera makers can be manipulated using software such as Photoshop or Gimp to make localized adjustments to enhance images as you describe. The result can then be exported or saved as a jpg.
I use darktable as my RAW developer, and it allows local adjustments to be made to the the RAW file, a workflow I find very useful. From darktable, you can export to jpg or other file formats as needed. I love that piece of software. But, until you get familiar with it, it can take some time to develop a file. It is, IMO, no harder than any other application, just different.
Caruso

Caruso
chaman: br Good explanation. High quality tiff fil... (show quote)

Thanks for that comment. I'll have to download Darktable and give it a try. I used Raw Therapee for a couple years but switched to using LR which I like for its file management features. I'll no doubt continue using LR most of the time, but I can imagine special situations where I would want to take more control over the RAW conversion.

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Mar 17, 2018 09:35:13   #
Carusoswi
 
selmslie wrote:
That explanation came from pecohen, not chaman.

I stand corrected, thank you.

I hope, however, that my reply along with pechohen's post helps clarify the issue for someone. I quite enjoy exploring photo manipulation software, and have tried many applications. Of those that I have tried, darktable and Ligthzone are the only two RAW editors of which I am aware that allow you to make local edits using the RAW file. darktable is much more feature rich, but Lightzone holds its own, and for someone who isn't interested in spending the extra time to learn darktable, Lightzone is very intuitive and photographer friendly. darktable will handle higher bit-depths than Lightzone, and I highly recommend it to any who are interested.

I will also affirm my agreement with those who state that shooting jpeg is different than shooting RAW.
Because I enjoy working on the computer, it is much easier and safer for me to shoot RAW than jpeg. My camera includes numerous in-menu adjustments that affect the jpg, and I don’t doubt that this jpeg flexibility is a boon to many a jpeg shooter. But for me, dealing with those settings on a shot by shot basis, or even a shoot by shoot basis, is too tedious, and I find that, even though the LCD on my camera is quite good, what I perceive when using it to evaluate shots in the field is not always as faithful as what I see on the computer display when I get home. If I shoot jpg and do not like the result when I get to my computer, my corrective choices are very limited. JPEG shooters who develop a facility at shooting jpeg with their camera probably do fine without shooting RAW. It is a personal thing.

For me, it is hard to go wrong when shooting RAW. I leave my camera’s playback mode set to the histogram display. A quick check after the shot will confirm that my exposure is within the safe range, and I will have a file that I can refine further on the computer if necessary (my histogram includes the blinking indicators that warn of over/under exposure).

Back in the day, I shot print and slide film (as they were the only choices when I started shooting), and you could easily loose an entire roll if you didn’t remember to set the ASA/ISO or many a shot if you got the exposure wrong, and by wrong, I don’t necessarily mean the exposure was way off. If you were shooting into the sun, you either bracketed the shot or you took a chance that your exposure compensation would or would not be correct. If you missed, your image could be spoiled by being bit too light or too dark.

I loved film (still do), but have to admit that my keeper rate increased dramatically after I went digital, and my skill with a flash has improved because I am free to experiment in ways that would be impractical for me using film, and the software tools we enjoy today are truly a blessing.

Happy shooting.

Caruso

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Mar 17, 2018 11:01:51   #
selmslie Loc: Fernandina Beach, FL, USA
 
Carusoswi wrote:
... Of those that I have tried, darktable and Ligthzone are the only two RAW editors of which I am aware that allow you to make local edits using the RAW file. ...

I guess you are referring to free software.

I use Picture Window Pro 7 (Windows 64-bit) which is now free mainly for scanned B&W images. It also does raw conversions. It's a bit old fashioned but it has lots of features.

The stuff you have to buy, like Capture One and others, provide layers, dodging and burning and other local edits in addition to the raw conversion itself. The editing is done before the converted image is saved as a JPEG, TIFF or PNG.

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Mar 17, 2018 11:14:53   #
rehess Loc: South Bend, Indiana, USA
 
Carusoswi wrote:
I stand corrected, thank you.

I hope, however, that my reply along with pechohen's post helps clarify the issue for someone. I quite enjoy exploring photo manipulation software, and have tried many applications. Of those that I have tried, darktable and Ligthzone are the only two RAW editors of which I am aware that allow you to make local edits using the RAW file. darktable is much more feature rich, but Lightzone holds its own, and for someone who isn't interested in spending the extra time to learn darktable, Lightzone is very intuitive and photographer friendly. darktable will handle higher bit-depths than Lightzone, and I highly recommend it to any who are interested.

I will also affirm my agreement with those who state that shooting jpeg is different than shooting RAW.
Because I enjoy working on the computer, it is much easier and safer for me to shoot RAW than jpeg. My camera includes numerous in-menu adjustments that affect the jpg, and I don’t doubt that this jpeg flexibility is a boon to many a jpeg shooter. But for me, dealing with those settings on a shot by shot basis, or even a shoot by shoot basis, is too tedious, and I find that, even though the LCD on my camera is quite good, what I perceive when using it to evaluate shots in the field is not always as faithful as what I see on the computer display when I get home. If I shoot jpg and do not like the Qáresult when I get to my computer, my corrective choices are very limited. JPEG shooters who develop a facility at shooting jpeg with their camera probably do fine without shooting RAW. It is a personal thing.

For me, it is hard to go wrong when shooting RAW. I leave my camera’s playback mode set to the histogram display. A quick check after the shot will confirm that my exposure is within the safe range, and I will have a file that I can refine further on the computer if necessary (my histogram includes the blinking indicators that warn of over/under exposure).

Back in the day, I shot print and slide film (as they were the only choices when I started shooting), and you could easily loose an entire roll if you didn’t remember to set the ASA/ISO or many a shot if you got the exposure wrong, and by wrong, I don’t necessarily mean the exposure was way off. If you were shooting into the sun, you either bracketed the shot or you took a chance that your exposure compensation would or would not be correct. If you missed, your image could be spoiled by being bit too light or too dark.

I loved film (still do), but have to admit that my keeper rate increased dramatically after I went digital, and my skill with a flash has improved because I am free to experiment in ways that would be impractical for me using film, and the software tools we enjoy today are truly a blessing.

Happy shooting.

Caruso
I stand corrected, thank you. br br I hope, how... (show quote)

It is unconventional, and potentially misleading, to capitalize 'RAW' but not 'jpeg'.
As long as you understand that JPEG is a well-defined type of file, but 'raw' is a class of files, I guess that is OK.

I set my camera parameters and then basically leave them. To me that is the value of JPEG - like old Kodachrome it delivers a consistently processed product. I am a retired software engineer. Today, I spend many computer hours scanning {then 'fixing' the scans} old media. I don't need any more computer time when automation can do it for me.

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Mar 17, 2018 12:37:43   #
canon Lee
 
rehess wrote:
DPI resolution is meaningless; the important measure is linear pixel count but that is a different thread.

The important take-home lesson from this thread is that different people have different aspirations, which lead to different needs. At one time I designed, implemented, and tested software sold to the US DOD; every project began with a careful determination of the needs to be addressed; you have to understand the customer in order to recommend a solution. Similarly, 'raw' meets some needs; I thought the purpose of this thread was to identify those. Some people want to say "Only for the arrogant." Some want to say "Everyone who wants to do something worth doing". The correct answer is somewhere between these two extremes.

My boss at one time was a talented Mechanical Engineer who happened to be dyslexic; before he sent off a report, he would have someone else proofread it for him. He told me at one time that his career was held back because others noticed his writing issues - I mentioned your 'loose' issue in that same spirit.
DPI resolution is meaningless; the important measu... (show quote)


Thank you for your kind response. I too am Dyslexic and failed to spell check.. I was a trained electronic tech in my own business, so thank you for informing others that even though someone is Dyslexic does not mean uneducated or talented...

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Mar 17, 2018 13:27:57   #
Carusoswi
 
rehess wrote:
It is unconventional, and potentially misleading, to capitalize 'RAW' but not 'jpeg'.
As long as you understand that JPEG is a well-defined type of file, but 'raw' is a class of files, I guess that is OK.

I set my camera parameters and then basically leave them. To me that is the value of JPEG - like old Kodachrome it delivers a consistently processed product. I am a retired software engineer. Today, I spend many computer hours scanning {then 'fixing' the scans} old media. I don't need any more computer time when automation can do it for me.
It is unconventional, and potentially misleading, ... (show quote)


I'm not certain what is misleading aboout my use of those acronyms. Email and bulletin board posts tend to be very casual. I was admonished on another board that the only proper way to display darktable is in lower case, even when used at the beginning of a sentence. I am complying, although I have lost too many hairs to split many over such details on a computer forum. If I were writing a term paper or an article for some special journal, I would try to be more precise.

My understanding regarding JPEG and RAW is that jpeg and jpg are file conventional file types as are GIF and TIFF, developed for the sending of image files between computers, and, as such, are generally compatible with most any image viewing device. RAW files, on the other hand are proprietary with different file name extensions from one manufacturer to the other, not unlike word processor files, database files, spreadsheet files, etc. A viewer such as Iranview can use the embedded jpg or jpeg (I know these two are different, but do not know how) for viewing. I have been told (and have since repeated) that RAW files technically cannot be viewed as they are just data. I don't feel a need to understand the nuances of all this, since all I need is a working knowledge of these file types so that I can properly make use of them. My understanding works for me.

You state that you set your camera parameters and then, basically, leave them, and, for you, that is the value of JPEG. My camera has a number of JPEG settings, and, while I have played around with them a bit, when I am shooting for real, I would rather just capture the RAW file. If I want, I can run these RAW files through the converter supplied by my camera maker which includes the same settings as those on my camera. I can check those settings on my camera to see what I like without being restricted to one set of settings made in camera at the time I captured the shot. More times than not, however, I go straight to darktable and process from scratch there. I can make localized adjustments to all sorts of variables using that software, and that approach is my preferred method.

It's all personal choice. Each should use and enjoy whatever works best for him/her. While I enjoy reading advice and opinion from others, I find no value in debate focused on determining an absolute right or wrong with regard to this question.

Thanks for your reply.

Respectfully,

Caruso

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Mar 17, 2018 13:42:02   #
Blenheim Orange Loc: Michigan
 
selmslie wrote:
I have been doing it longer than that.

JPEG and raw are as different as transparency film and negative film. You have to be more careful with transperancy film because you don’t have as much flexibility at the printing or display stage. B&W film is also not the same as color negative.


True.

selmslie wrote:
All five media are different. Unless you have used them all you won’t appreciate the difference.

They can all be exposed as though middle gray is all that matters. But that’s where the similarity ends.


Agreed.

Yes, raw files are more forgiving than JPEG. However, that does not mean that your "shooting properly" remark is logical. While working with raw files perhaps lets one get away with shooting improperly, that does not therefore mean that if one shoots properly there will therefore be no advantages to working with raw files.

This statement is illogical:

"You would have to first learn how to shoot a JPEG properly."

Mike

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Mar 17, 2018 13:45:32   #
Blenheim Orange Loc: Michigan
 
jackpinoh wrote:
I only shoot RAW because I have time to post process, I have time to continuously improve my post processing skills, I value quality over quantity, and I would never circulate an image in any format that is not the best I am capable of producing.



I found that I was spending less time post processing after I started working with raw files.

Mike

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Mar 17, 2018 13:53:32   #
Blenheim Orange Loc: Michigan
 
selmslie wrote:
Try selling an image to Reuters. They will only take a JPEG out of the camera because they don't trust "Photo-shopped" images. They are not alone.

There are lots of cases where truth is more important than beauty.


Just because there are "cases where truth is more important than beauty," that does not therefore mean that raw files are not trustworthy nor necessarily "Photo-shopped."

In any case, this issue is not really germane to the discussion here. No one is saying that there are not many instances where utilizing the JPEG format is entirely appropriate or necessary. No one is saying that there is anything wrong with the JPEG format when used appropriately. It is truly brilliant and very useful digital format. No one is claiming that great photographs cannot be created without ever touching a raw file. No one is denying that there are instances when working with raw files is impossible.

Mike

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Mar 17, 2018 14:02:59   #
Blenheim Orange Loc: Michigan
 
Peterff wrote:
Lee, a couple of minor disagreements, especially if a print is the final objective. A JPEG is not required. A bitmap file - say a 16 bit TIFF or similar format is required to pass to a 16bit capable printer, but there is absolutely no need to reduce to an 8 bit, lossy, compressed JPEG between the camera, the software and the printer. Comparing prints side by side, it is possible to see the difference in many situations, and the raw / 16bit printed image is normally superior. Also, not all professionals use LR. Many do, it is excellent software, but there other things used by some professionals. For example, Canon's own DPP software is free and does a good job with Canon's raw files. It isn't as feature rich as LR, but is quite good at basic raw manipulation and is free.

Unfortunately it is very hard to show these things on UHH which usually only allows JPEGS to be displayed, as is frequently the case with most browsers. Most raw or 16bit files are simply too big for the UHH system limits.
Lee, a couple of minor disagreements, especially ... (show quote)



Peter, one minor disagreement. if I may...

You say that DPP is "quite good at basic raw manipulation." I find it excellent for any and all raw manipulation possibly needed. What is missing in your view? There is absolutely no doubt in my mind - and this is from hundreds of hours of direct experience rather an expression of some theory or based on any technical savvy - that I can quickly and easily output a JPEG from a raw file with DPP that will almost always be superior and will never be inferior to any JPEG written by the camera. Of course I can also output a TIFF file for further editing as needed in an appropriate editing program. What else are we asking for from a raw editor?

You make an important point about JPEGs not being required for printing.

Mike

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Mar 17, 2018 14:18:45   #
Peterff Loc: O'er The Hills and Far Away, in Themyscira.
 
canon Lee wrote:
Thank you for your kind response. I too am Dyslexic and failed to spell check.. I was a trained electronic tech in my own business, so thank you for informing others that even though someone is Dyslexic does not mean uneducated or talented...


Dyslexia can be a challenge, but has no relationship to intellect or talent, it just has to be managed. It's also an anagram of Daily Sex!

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Mar 17, 2018 14:30:53   #
Peterff Loc: O'er The Hills and Far Away, in Themyscira.
 
Blenheim Orange wrote:
Peter, one minor disagreement. if I may...

You say that DPP is "quite good at basic raw manipulation." I find it excellent for any and all raw manipulation possibly needed. What is missing in your view? There is absolutely no doubt in my mind - and this is from hundreds of hours of direct experience rather an expression of some theory or based on any technical savvy - that I can quickly and easily output a JPEG from a raw file with DPP that will almost always be superior and will never be inferior to any JPEG written by the camera. Of course I can also output a TIFF file for further editing as needed in an appropriate editing program. What else are we asking for from a raw editor?

You make an important point about JPEGs not being required for printing.

Mike
Peter, one minor disagreement. if I may... img sr... (show quote)


Oh, I agree, I'm a big fan of DPP, but it isn't as feature rich as LR or some other programs. For example, I think LR may be superior at eliminating some color fringing issues, and DPP doesn't support non Canon lenses. On the other hand if people have multiple camera brands, then DPP can't be the first port of call for other brands. LR can handle most brands and models so far as I know.

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Mar 17, 2018 14:39:32   #
Blenheim Orange Loc: Michigan
 
Peterff wrote:
Oh, I agree, I'm a big fan of DPP, but it isn't as feature rich as LR or some other programs. For example, I think LR may be superior at eliminating some color fringing issues, and DPP doesn't support non Canon lenses. On the other hand if people have multiple camera brands, then DPP can't be the first port of call for other brands. LR can handle most brands and models so far as I know.


Yep, I see. Thanks.

You mention that if people have different camera brands DPP can't be the first port of call, but it is worse than that. I use the 5D, my wife uses an SX 50 and I need two different versions of DPP to read the CR files from both cameras. Now, why does this bring back memories of that wonderful collection of FL lenses I used to own...

Mike

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Mar 17, 2018 15:12:12   #
Peterff Loc: O'er The Hills and Far Away, in Themyscira.
 
Blenheim Orange wrote:
Yep, I see. Thanks.

You mention that if people have different camera brands DPP can't be the first port of call, but it is worse than that. I use the 5D, my wife uses an SX 50 and I need two different versions of DPP to read the CR files from both cameras. Now, why does this bring back memories of that wonderful collection of FL lenses I used to own...

Mike


Yes. Now DPP4 can't deal with images from my AE-1 or T90, but can now deal with our T2i, T3i, 80D. As for FL lenses, I have a FL 55mm f/1.2 adapted to EF mount, and with a little bit of EXIF fakery can open up the lens tools in DPP if I wish, to make DPP think it is a EF 50mm f/1.2 lens. Is that useful? Occasionally.

Software is software, I try to have as many choices available as I can, they all do something that other software can't.

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