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how to figure out shutter speed?
I know how to figure f/stops, but can't figure shutter speed. Is the rule the faster the shutter speed the shorter the shutter exposes light. I need some help. When I use program mode on my 40d outside pictures are washout and auto don't do well either...

Comments (10)

Shutter speed is quoted as "1/x". 1/2 is half a second, 1/100 one one hundredths of a second. Most camera only display the X portion, so bigger number = faster..

In P mode, you can use the lock-exposure button (*) or exposure compensation (+/- 2) if your pictures are exposing the wrong thing..

Can you post a picture of this washout?.

Coloncoty wrote:.

I know how to figure f/stops, but can't figure shutter speed. Is therule the faster the shutter speed the shorter the shutter exposeslight. I need some help. When I use program mode on my 40d outsidepictures are washout and auto don't do well either...

Comment #1

There are two separate questions here. The first is straightforward, the second might not be..

Coloncoty wrote:.

I know how to figure f/stops, but can't figure shutter speed. Is therule the faster the shutter speed the shorter the shutter exposeslight..

Shutter speeds are measured in fractions of a second, for example 1/30 or 1/500. In this example, 1/30 is a longer time and allows more light to pass than 1/500. If nothing else changed, the longer exposure would give a brighter image..

I need some help. When I use program mode on my 40d outsidepictures are washout and auto don't do well either..

The reasons for this are not so obvious. The first thought is to check the ISO setting. For indoor shots you might need a high ISO such as 800 or 1600. But outside normally you would want a lower setting such as ISO 100 or 200..

There may be other reasons for washed out pictures, hard to tell without seeing an example or more information.Regards,Peter..

Comment #2

Coloncoty wrote:.

How do you post a picture.

Wow..... a 40D is quite a nice camera for a beginner!.

If you do a search of this forum for "how to post pictures" you will get lots of detailed help. The general concept is really very simple:1- Get a free account from some photo hosting site(like Smugmug, Snapfish, Flickr, Picassa, etc.)2- Upload some pictures to that site..

3- Paste the URL for the photo into a message here. Make sure it ends with ".jpg.".

Here's an example:.

Image control:Zoom outZoom 100%Zoom inExpand AllOpen in new window.

Martyhttp://flickr.com/...photos/7735239@N02/sets/72157604030772272/detail/?page=5.

Panasonic FZ7, FZ30, LX2.

Image control:Zoom outZoom 100%Zoom inExpand AllOpen in new window..

Comment #3

Yeh it is nice for a beginner. When I first wanted to start learning my husband went to a camera to get me a camera for christmas and this is what they sold him. I knowed a little about cameras but this blows my mind...

Comment #4

Coloncoty wrote:.

I know how to figure f/stops, but can't figure shutter speed. Is therule the faster the shutter speed the shorter the shutter exposeslight. I need some help. When I use program mode on my 40d outsidepictures are washout and auto don't do well either..

Are you sure it's on program? I haven't used a 40d in auto but I have used one of it's ancestors as a point and shoot and it exposed just fine. Maybe you have it in manual..

Leonard Migliore..

Comment #5

Coloncoty wrote:.

I know how to figure f/stops, but can't figure shutter speed. Is therule the faster the shutter speed the shorter the shutter exposeslight. I need some help. When I use program mode on my 40d outsidepictures are washout and auto don't do well either..

My guess is you have accidentally set some exposure compensation. Look up "general Reset" in the manual and do it. It may solve your problem and is unlikely to do any harm..

Chris Elliott.

*Nikon* D Eighty + Fifty - Other equipment in Profile.

Http://PlacidoD.Zenfolio.com/..

Comment #6

Have a read of these they will help.Understanding Exposure.

Http://www.luminous-landscape.com/...standing-series/understandexposure.shtmlUnderstanding Histograms.

Http://www.luminous-landscape.com/...ng-series/understanding-histograms.shtmlExpose to the Righthttp://www.luminous-landscape.com/tutorials/expose-right.shtml.

Http://www.pbase.com/carrhighlander..

Comment #7

Question for Marty (or someone who uses Picasa web albums).

If I post a url on DPReview for one jpeg photo I have stored on Google / Picasa web albums, does that then give anyone who looks at it the right to see ALL my shared albums on Picasa? I have noticed that when I give a friend or family member permission to see one album, they can then go in and see all my other shared albums. I don't have anything to hide, but I'd just as soon not let the whole world have access to all my stuff either. I suppose I could use Flickr or another similar site only for DPReview postings, but that seems like a lot of trouble since I have Picase figured out already. I hate to try a test post here, in case it does what I am trying to avoid as described above..

Thanks in advanceTLIII..

Comment #8

Joseph, I'm not familiar with how Picassa works. I use Flickr, and Flickr allows you to make pictures private. But you simply can't post a private picture, unless you want them to see a box that says "restricted" rather than the actual picture..

I imagine Picassa works the same way. If you want to post a picture, then it must be a public picture..

I also have no idea if a Picassa picture can lead you back to your Picassa account. I don't think a Flickr picture will, once you get to the picture, you can see the account name on it, and then do a search for that member's photostream..

If you have concerns about privacy, it really is simple to get a free account from Flickr, and use that account for anything you want to post. You can display something like 200 pictures on a free account, and should be more than enough. By keeping your posting and personal accounts separate, you decrease the risk of people finding their way into your personal photos.Martyhttp://flickr.com/...photos/7735239@N02/sets/72157604030772272/detail/?page=5.

Panasonic FZ7, FZ30, LX2.

Image control:Zoom outZoom 100%Zoom inExpand AllOpen in new window..

Comment #9

Joseph, I use Picassa quite often and if you give someone a link to one of your public albums they can view your other public albums as well. Knowing that you may want to redesignate some of your stuff.Best regards..

Comment #10

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This question was taken from a support group/message board and re-posted here so others can learn from it.

 

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