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High Dynamic Range


This project takes 3 ordinary photos of a car and with HDR software produces the image to the right. There are many web sites focusing on HDR complete with tutorials, detailed explanations, and galleries. Our project will focus on the production of just one image from 3 separate photos taken about 2 f-stops apart. The finished image is yours to keep. Photo resources supplied are not reduced resolution images but full sized as they came out of the camera after being converted into JPG format. If you are interested in giving HDR a try this is a good time to click on the label below the image of the car to the right.

HDR St. Elmo

This is another HDR project. The three source photos were taken in St. Elmo, Colorado, a partially restored ghost town located high in the mountains. It was obviously fall in the mountains, the yellow leaves are typical of aspen trees when the leaves are changing color.

Three relatively ordinary photos of some of the St. Elmo buildings are used to produce a strong HDR image. The three images were taken about 2 f-stops apart. One of the photos was taken with the correct exposure (approximately), one photo was taken 2 stops under exposed, and one photo was taken 2 stops over exposed. You can use the normally exposed photo for a relatively normal print or use all 3 photos with HDR software to produce an image similar to the image on the right.

Experiment with the HDR settings. You may want an almost normal looking image or perhaps an image with even more HDR effects cranked in. Your choice. The finished image is yours to keep.

HDR Class Room

We remain in St. Elmo for this project. This photo illustrates one of the strengths of HDR with the ability to take multiple source photos in poor lighting and then be able to create a vibrant and interesting final image. This subject building contains a restored class room complete with a large coal heater to keep the room warm during the winter at these high altitudes.

To create the final image it will be necessary to use an editing program that allows you to rotate the image so the vertical lines (where the side walls meet) are vertical and horizontal lines (side walls meet the ceiling) are horizontal. This is a fun project. The 3 source images which were taken 2 f-stops apart are provided full size and are yours to keep as well as the final image. The HDR setting were set to strong but not maxed out so you have an opportunity to experiment with HDR to find the image that you like best.


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