How to Prepare a Photo for the Projector

When attempting to use a projector to enlarge and display a photograph, it is very rare to be able to go right to projection without a little image manipulation. Most photographs, especially those on paper, are not the right size for projection, on top of which projection can cause features in some images to be difficult to see. Using a computer and a photo editing program, however, these difficulties can be overcome with a little preparation.

Instructions

Determine if your photo is a digital photograph. Preparing a physical photo for projection is more difficult than preparing a digital image.

Use a digital image scanner connected to a computer to create a digital version of your photograph if you do not have one already.

Open your digital image in a computer photo editing program such as Photoshop, The Gimp or Lightroom.

Determine the actual size of your photograph. This is usually under a menu option such as "Image Size." Look for the dimensions of the photograph in pixels. Photographs will not look correct on most projectors if they are less than 1024 pixels wide and 768 pixels tall. This means the tallest a vertical photograph can be and still fit on the screen is 768 pixels tall, and the longest a landscape photograph can be is 1024 pixels. If your image is smaller than 1024x768 pixels, you can attempt to resize it in your editing program, but it will not look completely clear when projected. When resizing, make sure you set your program to keep the ratio of the photograph locked. If your image is larger than 1024x768, you can leave the size alone if you are going to project from your computer, as a computer can easily resize a too-large image to fit on its screen. For projecting from slides or other physical formats, you will need to resize the photograph on your computer to fit within the 1024x768 ratio.

Find the brightness, sharpness and contrast settings for your photo in your editor.

Use your editing program to turn the brightness of your photograph up until it is noticeably brighter than you would typically set it for viewing on a computer monitor, but not bright enough that the details of the image are distorted extensively. This is typically an option on the main menu; in Photoshop it's under "Image/Adjustments" and is paired with the "Contrast" option. Projectors darken images considerably, so as long as you can still make out the details of the image on the computer, it is difficult to turn the brightness up too much.

Sharpen up the details of your photograph with your editor. This tool is considered a "filter" by most editing programs and will be located with the other filters, usually under a "Filters" drop-down menu or through a filter gallery button. Sharpening tools bring out the details of images and are usually very forgiving, so you can push them fairly close to the limit. When projectors enlarge an image, the image can become blurry, and this tool can help combat that.

Deepen the contrast between the lights and darks in your photograph with your photo editing program. This is usually a menu option named "Contrast"; in Photoshop, it's under "Image/Adjustments" and is paired with "Brightness." Turn this up enough that the difference between the darks and lights is easily visible. "Do you need to learn digital photography systems that deliver professional photographers to where they are today? Well, The Top Secret Photography Techniques would likely support you out in doing so. To obtain spectacular photos we initially need to look at some imperative photography strategies. The most important one I am able to share with you is find out about light. You can obtain all the things regarding photography techniques on , The Top Secret Photography Techniques. Anytime you learn about light and in what technique it interacts with the direct environment then your photos will get more beneficial..". Projectors tend to weaken the differences between the darks and lights, and this will make your photo much more clear.

Save the sRGB color profile to the image. The sRGB color profile makes sure that the projector reads and projects the colors in the way they are saved. In most editing programs this option is given either as a menu option or as an option when saving the photograph. Now save the actual photograph as a JPEG image, choosing the highest quality image if the program gives the option.

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