The simplest explanation I have ever seen is by a Gem Singer, a member over on the LF pages. http://www.largeformatphotography.info/forum/showpost.php?p=531354&postcount=2
After all the charts and graphs and chest pounding, this simple explanation really brings the fundamentals into reach of the average photographer who wants to take better pictures. Once you have this concept under your belt, you can get into the whole libraries of books written on the subject.
I've quoted his whole post below...
Aim the one degree spot at the darkest area in the scene where you still want to see some detail. Close down two stops.
You have just placed the shadow area in Zone III.
That's usually the proper exposure for the scene.
Now, aim the spot at the brightest area in the scene.
If it's a five stop range between the darkest and brightest reading, use normal development.
Less than five, increase development.
More than five, decrease development.
No need to take a whole series of meter readings and average them. That's defeating the purpose.
Just make certain that you have given enough exposure to get some detail in the shadows. Then, develop for the highlights.
That's the Zone System in a nut shell.
Cheers,
A good way to start is to understand your light meter, whether it is built into the camera or separate, and how to use it effectively.
Then develop an understanding of how the film reacts to light and processing variables.
The zone system was established as a way to systematically control those factors.
Trying to understand the zone system without a good understanding of how the film reacts is difficult, at least IMHO.
Another good book to look at is The Zone VI Workshop by Fred Picker.
AA wrote about the zone system as well, of course, but I'd recommend you avoid his books until you've read more in general, or have gone through the Picker or Johnson books.
The Zone system isn't remotely essential to making good photographs, but it helps in achieving more control, and translating what you see to a print, which is really what it's all about.
But,
when decreasing the development, your zone III will be downgraded to for instance a zone II because it needs the complete development time. So this will lose details in the shadow, therefor you will have to overexpose a little to compensate the development time loss.
My problem with it is not technical, but "conceptual", you might say. My problem lies in the initial testing for "normality". The way I see it, it is not the testing of what a film's natural characteristics are so that they can be harnessed and used artistically. IMO, it forces films into a pre-defined box as to what "normality" is. The initial procedures take every film, and tweaks it into the same basic film, in terms of rough contrast. In Zone System methods, every film is manipulated into behaving a certain way from the start. All films are forced into the same mold with the initial testing procedures. All films are tweaked such that, when printed, they provide a certain low-toned and high-toned value at a certain amount of exposure and development, respectively. As such, I feel that Zone System methods take away much of the individual characteristics of films, instead of just letting them be what they are naturally, and learning to work with them. I feel that learning each film inside and out, metering for a midtone (incident metering), and judging the brightness range of the composition in order to make exposure and development tweaks works faster, is far less prone to "operator error", and in 90% of cases, gives the same exact exposure and development that your basic Zone System methods would call for. The difference is that the incident method requires understanding and being able to judge light to get what you want, while with the Zone System method, the spot meter hands you everything you need to know on a silver platter, and you specifically decide what tones certain elements of the composition will be. For the 10% of situations in which I know an incident meter will not be the ideal tool to give me what I want, I use the straight Zone System.
*******I´ve read about the Zone system and understanding there are many photografers that use this meteringsystem. I think it was Fred Picker who invented the system, am I right?
Now to the question; How does it work and what do I need to use it? Is just for those who shoot in midformat and largeformat? :confused:
///Anders S
*******
I keep it even simpler: I make sure my film get's enough exposure for the shadows in which I want detail; then I develop my film in a forgiving developer which helps to keep the highlights from "blocking up."
I´ve read about the Zone system ...
Now to the question; How does it work and what do I need to use it? Is just for those who shoot in midformat and largeformat? :confused:
///Anders S
*******
Hallo Anders,
Because the Zone System works best with single sheets of film, it is most often associated with larger format.
My advice is forget it. One of my favorite photographers, Winn Bullock, tried it and threw the meter into the trash.
The essence of the system was taught to me by old, cigar-chewing professional photographers who practiced the dictum "Expose for the shadows; develop for the highlights."
I keep it even simpler: I make sure my film get's enough exposure for the shadows in which I want detail; then I develop my film in a forgiving developer which helps to keep the highlights from "blocking up." I use D23. Others might suggest Rodinal, a "compensating" developer.
Oh, and FWIW, Ansel Adams is usually associated with developingthe Zone System.
But,
when decreasing the development, your zone III will be downgraded to for instance a zone II because it needs the complete development time. So this will lose details in the shadow, therefor you will have to overexpose a little to compensate the development time loss.
Development is completed in the shadows much sooner than in the highlights, this is why exposure is the primary control mechanism for the shadows while the highlight areas are controlled by exposure and development, but the development time is the primary control mechanism for the final density in the negative.
Development is completed in the shadows much sooner than in the highlights, this is why exposure is the primary control mechanism for the shadows while the highlight areas are controlled by exposure and development, but the development time is the primary control mechanism for the final density in the negative.
With extreme development modifications like +2, -2, -3, etc...the low values can shift. For the OP, no use going into great detail here, but I would get The Negative and dive in-------your photography will improve.
I wanted to comment that I found the "expose for the shadows and develop for the highlights" line to be a meaningless bumper sticker comment until I read The Negative. After that, the intended message was clear.
Learning that wasn't a huge task, but the message was far from obvious to a beginner before learning it.
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