How to focus on Adobe Photoshop with the technique of Bruce Fraser, one of the pioneers of digital photography

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In the world of photography there are techniques and processes that never get old, which are still useful despite the many changes and versions that may arise over the years, and more if we talk about a digital environment. Let’s know the focus technique with Adobe Photoshop proposed by Bruce Fraser , one of the most important gurus of Adobe Photoshop .

Bruce Fraser died in 2006. Apart from his friends and family, the entire digital photographic world wept and lamented his loss for all he had been able to teach about digital photography. He received the first recognition from the National Association of Photoshop Professionals (NAPP) in 2006.

Author of numerous books such as ‘Camera RAW with Photoshop CS4’ or ‘Use and administration of color’ and countless workshops laid the foundation for many techniques and subsequent developments of the popular program. In this article we are going to know one of his creations that is none other than a focusing technique that uses the popular Focus Mask and the High Pass filter .

How to focus on Adobe Photoshop with the technique of Bruce Fraser, one of the pioneers of digital photography
Photography without focusing

The best thing is that it is still useful and can solve the sharpness of our images when we want to print them to a considerable size with an interpolation by means. And as with simple techniques we can always turn it into a convenient action to speed up the whole process.

The focus technique of Bruce Fraser

It is worth remembering that the approach must be done at the end, before printing, when we are sure of the final size and we have already done all the necessary development. And with the current cameras, which do not have a low pass filter , it can even be unnecessary. Although many people demand extreme sharpness at all times. Question of tastes.

This technique can only be applied when the file has the size that we have chosen. It would be counterproductive to do so before adjusting the dimensions. In this case I’m going to use an old file of a Canon EOS 300D as an example .

How to focus on Adobe Photoshop with the technique of Bruce Fraser, one of the pioneers of digital photography
Step 10
  • We open the photo in Adobe Photoshop . The best thing would be to work with a good TIFF file, of course.
  • We create a duplicate of the original layer in Layer> Duplicate Layer (Ctrl + J) .
  • To this copy we have to lower your Opacity to 60% . As easy as going to the Layers window and making the adjustment in the Opacity box .
  • It is time to apply the first approach, the strongest, that will affect all the pixels that make up the image. Go to Filter> Focus> Focus Mask .
  • In the filter window we put the following parameters: Quantity> 320; Radio> 0.6 and Threshold> 4 . The effect will probably be very marked and will affect all pixels without any need. But we do not stay here.
  • After giving Ok to the Focus Mask, we go immediately to Edit> Transition of focus mask (Mayus + Ctrl + F) . If we do not do it then this function will not be active.
  • In this new Transition filter window we lower the Opacity to 70% and choose as Blending Mode> Luminosity . They are the two options that we have available. We Ok .
  • Now it’s time to change the Blending Mode of the layer we’re working on. For this technique we mark, in the corresponding area of ​​the Layerswindow , Superpose , one of the modes that contrast the photograph and that helps us to mark the edges of the image. The whole set will darken.
  • It is not a problem because now we open Filter> Other> High Pass . And here is the magic. When choosing a Radio of 2 pixels the focus will be marked only in the details
  • Just go to Layer> Attach image and send the file to print.
How to focus on Adobe Photoshop with the technique of Bruce Fraser, one of the pioneers of digital photography
Before and after

As you can see, it is very easy to get a clearly sharper image than we could have at first. In reality it is something that goes by fashions, or by tastes. Many people reject this degree of perfection because it is somewhat adulterated. Others may become implacable if they do not see it that way. The truth is that it depends on each one to choose one finish or another. Both will be valid if it is what you, as a photographer, look for in your photographs.

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