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Is EXIF an important issue to you? If not you won’t get much from this. On the other hand if you are considering selling your images online this could give you an option for uploading.

Let’s say you are about to send some photos to a website. If your upload is to a social networking site (SNS) it’s a simple ‘Save for Web’ command and its gone. You don’t care if EXIF data attaches itself to the file or not. The photos are only for sharing. The trouble is we tend to get into a habit of uploading because of habit.

And if you are sending files to an online gallery for sale or to your agent for rights managed images, or even a gallery in which you simply want to hold while adding more images for future use and you have the settings available to anyone you don’t know, EXIF is crucial. And ‘Save for We’b is not the choice you want since it has parameters for stripping out all of the metadata in order to make the upload quick. This is when you will be using the ‘Save As’ command in Photoshop (my apology to users of other photo editing applications – I don’t know them). The idea behind saving all of the EXIF data is important as it identifies this particular image file with your camera body and lens, your name, your © info and all other important metadata which accompanies a work for sale. Not including this can make it very difficult, though not impossible, to claim rights to the image.

Is there a way around this? Yes there is, but it means you have to have the last version CS3 or the latest version CS4 of Photoshop, because in those versions there is an option for enabling ‘EXIF Embedding’ while using the option ‘Save for Web’. However like anything you do have to remember to set this after downloading. I don’t know about you but that happens to me more than I care to admit.

But lest you think that buying copies of used Photoshop is the way to go, remember that the seller must have an Adobe Transfer of License. This way you’ll be able to participate in any upgrades which are not still in that seller’s name. Otherwise when you seek an update you will be informed that you are not the legal owner. That is not a good statement to view.

Any questions? Comment.

under: Photos Tips & Tricks
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How to Produce Background Blur

Posted by: rich | December 30, 2008 | 4 Comments |
What sometimes grabs our eye in a photo is the contrast in detail between one or more objects in a photo. This is commonly referred to as bokeh or background or foreground blur. There is that element in photography which we immediately recognize because this is exactly how we tend to see things naturally and when we see this in an image it grabs our attention. But how do we produce this most powerful photographic effect?

Old Hay Rake

There are more than one element involved in this. First and most importantly your subject should minimally be a pleasing-to-the-eye subject and better yet a strong one. Here we have a most unusual subject, an old steel wheel off a farm implement no longer used. Rusty, hardly even noticed in a run-down farm field most passers-by would not give it a second glance. It is just another worn down piece of junk from days gone by. But when photographed using bokeh, it commands 1st place attention. The fact that this is in B&W may help a bit more to some, but the primary ingredient is the subject placement in the lens, or the sensor’s field of view.

Can this be done with any camera? Well yes & no. The camera can capture this even if it is a consumer point & shoot pocket sized one, but the true effect is best captured using a Wide Zoom Lens and at the longest telephoto length. Say you are using a 17-40 zoom. The fact that it is fairly wide, 17mm coupled with it being in the longest length produces the very best bokeh possible. However in the above photo this can also be accomplished with a mid-range zoo as it was captured using a 70-200mm lens at an F-stop of 9 and a zoom length of 200. And further as I mentioned above this can involve the foreground or background blurred, in this particular case I have produced a blur in both. You see only a very tight range, for this subject, in the middle as pertains to it’s Depth of Field.

Pine Flowers

Now here is another using a consumer level point & shoot, a Canon PowerShot S2 IS, captured at an F stop of 3.5 and a focal length of only 21mm. Imagine how much more blurry this would have been if the camera was able to capture it at a longer length, or I had backed up more & then refocused on just the pine flowers. So you see this technique of creating bokeh can be a regular part of your shooting expertise by simply using a couple of factors.

under: Photos Tips & Tricks
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