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Photography Question 

Justin G.
 

Bracketing


I gotta quick question.

Attention all you filmers out there (if there is any!! j/k lol)
My terminology might be wrong but when you shoot something and you do it at 0 then -1 then +1 stop, that's bracketing right? well i'm using that word for the question cuz i'm drawing a blank.
Alright lets say I'm shooting Velvia 50. My camera can bracket from -2 stops to +2 stops. is it overkill if i'm shooting a certain image to shoot from -2 through +2 in 1/2 stop increments. do you think i'm wasting film. I do this because i'm still not good at exposure, especially with slide so I can't see somethign and get even a general idea of what any settings would be so I bracket that much to hopefully get the right shot. thanks guys.

V/r

Justin


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June 30, 2005

 

Bob Cammarata
  Don't bracket slide film more than 1/2 stop each way.
The tolerance for error is too narrow to allow for anything beyond those parameters without seeing evidence of over and/or under exposure.


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June 30, 2005

 

Justin G.
  Oh ok, so pretty much 1/2 stops are great but once I get into +/-1 it's pretty much not going to be good at all unless its an effect i'm going for? That's cool and helpful. Appreciate that, now maybe I won't go through as much film at what like $10 a roll or something.

V/r

Justin


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June 30, 2005

 

Bob Cammarata
  That's true.
It's possible however, to go under one full stop for a particular effect... like a deep silhouette.
Your subject and background will darken a lot but if that's the effect you want then it's OK.

If you are bracketing only to make up for a lack of metering skills, practice will remedy this. You can speed up the learning process with a gray card, which I still use a lot when the light gets real tricky.
Also, a hand-held ambient light meter might be a worthwhile investment.
Both the meter and the card can help you to get a truer reading of the light falling on the scene and give you a good starting point from which to bracket over in 1/2 stops.

...As to your film cost issue:
This is why so many have gone digital. :(
You can save a lot buy buying your film from major mail-order houses like B&H.
This link might help:

http://www.bhphotovideo.com/bnh/controller/home?O=productlist&A=details&Q=&sku=19097&is=USA&addedTroughType=categoryNavigation


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July 01, 2005

 

Kerry L. Walker
  Justin, I have been digital for years. That is, I use the digits on my hands to manipulate the controls on my film camera. Bob is correct, as usual, about the narrow latitude of slide film. Slide film is a great teacher. If your exposure is off, the results will let you know it. However, this can often result in bad pictures until you get the hang of porper exposure. One thing you need to realize about slide film is that, due to its narrow exposure latitude, pictures shot during the brightest part of the day will magnify the problems associated with shooting a scene with extreme differences in exposure, from shadows to highlights. Slide film just can't capture it all. Color print film, with its greater latitude handles these types of scenes much better. B&W print film, which has an even greater exposure latitude, does even better. While color print film benefits from shooting earlier or later in the day, slide film benefits even more, so try shhoting during the morning and late afternoon and see if you don't get better pictures with you slide film.


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July 01, 2005

 

Tom Walker
  Bracketing is primarily used for unusual situations where there is either a large lighted area like the beach or a large dark area like a spotlighted concert. Both of these can fool your meter so you need to add exposure compensation, how much? Bracket


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July 01, 2005

 

John P. Sandstedt
  I disagree with Tom completely. Bracketing should be used to be certain you get the shot, especially when the lighting is "different." Obviously, and as Bob said, bracketing with film increases your costs. However the results can be well worth it.

Slide film has a normal "range" of -1/2 and +1 stop. Interestingly, print film has a much larger range [as great as -2 to +5 stops.]

When bracketing with film, keep in mind that the photo finisher plays a major role in the "process." Generally, you should bracket at least +/- 1 full stop. The finisher will try to "correct the images to "normal." If possible, you should alert the finisher to the fact that you've bracketed [or used filters, etc.] Of course, if the process is computerized [one hour labs, Kodak mailers, etc.] you'll need to rely on your exposures and not on "conversation."

I stick with slide film when I know I might be in the bracketing regimen. Believe it or not, using slide film is cheaper than using print film, unless you use certain really "cheapie" mail order services. And, even though there have been significant advances in print films, I think slides are better.

However, my wife hates slides because we don't/can't/won't host slide shows for family and neighbors.

One other thing: An amateur will show you all his pictures, a pro will show you his best. Be sure to show only the best of the bracketed images.


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July 06, 2005

 

Justin G.
  You guys are great, thanks for the advice. I love using slide because what you shoot is what you get. When I shoot print, the lab is always correcting colors and it was never the shot I took. well maybe never but you get the idea. thanks for your help again, much appreciated.

V/r

Justin


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July 06, 2005

 
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