Sep 022009

Every once in a while I’m telling someone the date that their photo was taken and they ask, “How do you know that?”  I’d like to say that I am just that smart … I am all-knowing!  But, the truth is that Picasa displays all the information you could ever want to know about each and every photo.  You just need to know where to look. (Tutorial Video: Library View)

Basic information in the Library View

In the image below, notice the blue outline around one of the pictures … that is the selected photo.  Information about that photo appears on the status line … the blue bar below the pictures.

  • The name: 20090804-tt-kennisee-6.jpg
  • The date and time it was taken-provided by the camera: 8/3/2009 6:23:24 PM
  • The dimensions, or resolution, of the photo in pixels: 2358X1569 pixels
  • The file size of the photo: 3.0 MB


Thumbnail Captions

Another thing showing in the screenshot above is the caption for those photos that have captions.  How is that showing?  It’s called the thumbnail caption and you can set it to display the Caption, or the Filename, or Tags, or Resolution.  Just click on the View menu, then Thumbnail caption, and make your pick.

Individual Photo View

When you double click on any photo, to make it fill the Picasa screen, you will see the same basic information on the status bar.  But, there’s more!  You can see the camera information and the Histogram by clicking the little multi-colored beany icon.


Camera Information

I find the camera information very useful.  Jim recently got a new camera.  Mine is a Canon, his is a Nikon.  The camera information tells me which camera took the picture, so it’s easy to know which pictures are mine and which are his.  You can even search for photos using the terms Nikon or Canon!  The camera information also includes the amount of Telephoto – Focal Length, the shutter speed, f-Stop, and ISO setting.  Every once in a while, I take several photos and change these settings on my camera – it’s nice to be able to identify which photos I took with which settings.  Even when I just leave the camera on Auto – it sometimes is useful to see the settings that took any given photo.


The Histogram is another story.  I’ve never used that.  It is interesting to watch it change when you drag the Fill Light slider one way or another – or the shadows.  If you want to know more about using the Histogram, I’m not the one to help you!  But I did find a couple of useful tutorials on the web: Photoxels Histogram Tutorial  and Short Courses on Histograms.

Everything you want to know … and then some!

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