A collection of the most powerful photos ever taken.
Some people might be offended or upset by these images but this isn’t my intentions I just want it to be thought provoking and enlightening, and for people to talk about the past and to never forget, because we need to learn from past events other wise we will keep repeating history.
Update: linked to original source
If you are interested in HDR imaging, give this open source tool a try. It helps you create and tone map HDR images from bracketed exposures of a scene.
Related:
This instructable shows one fairly simple way to combine multiple exposures into a HDR (high dynamic range) image using the GIMP.
By taking a shorter exposure or closing the aperture, the camera will underexpose. This means that the dark parts of the scene will silhouette and the light parts will be recorded well. Taking a longer exposure or opening the aperture, the camera will overexpose, meaning the light parts of the scene will wash out to white, but the shadows of the scene (that were black in the underexposed photo) will come out well. Composite HDR refers to a range of techniques to take the best parts of both of these photos and combine them in a photo that captures more of the range of light levels in the scene.
Related:
This firmware hack for some models of Canon A- and S-series cameras with DIGIC II processors adds additional functionality to your camera - the biggest being the ability to shoot in RAW format. You also get a battery indicator - I can’t believe Canon doesn’t put this feature in by default.
The good thing about this hack is that you load it off your of memory card every time you turn your camera on (in some cases you can also enable auto-loading) so the original firmware of the camera is not touched, making this a fairly safe hack.
Q. What does the HDK firmware do?
A. After loading of HDK firmware you can get the following functionality:
- Shooting in RAW
- Live histogram (RGB, blended, luminance and for each RGB channel)
- Zebra mode (blinking highlights and shadows)
- DOF-calculator
- Battery indicator
- Scripts execution (exposure/focus/… bracketing, intervalometer and more)
- File browser
- Text reader
- Calendar
- Some fun tools and games
This free program makes it easy to remove objects from photos.
PhotoWipe is a revolutionary image processing tool that magically removes unwanted objects from your photos. Just paint over them in black, and click go! Uncovers hidden details in your photos. Sit back and watch as cage bars disappear from the zoo, and your old girlfriend or boyfriend fades away. It removes wrinkles, or it can remove entire facial features.
This is an interesting video podcast from Robert Scoble where he follows photographer Thomas Hawk on a few of his (daily!) photo shoots.
Microsoft has released a small Windows Explorer add-in that allows you to view and edit the IPTC/EXIF metadata of your photos.
Note: you need to pass a Genuine Windows Validation check to access the download.
This is a creative way to create fractal images using Christmas ornaments.
It’s a little easier to see the images of the camera lens in this photo. Look at the three Cantor sets formed by the number of reflections of the camera lens on the three spheres. Math in action!
A Flickr photographer has taken some pictures of the locations in Sydney, Australia that were used to film The Matrix.
An article on how some early, extremely high-speed photographs were taken.
During the early days of atomic bomb experiments in the 1940s, nuclear weapons scientists had some difficulty studying the growth of nuclear fireballs in test detonations. These fireballs expanded so rapidly that even the best cameras of that time were unable to capture anything more than a blurry, over-exposed frame for the first several seconds of the explosion.
Before long a professor of electrical engineering from MIT named Harold Eugene “Doc” Edgerton invented the rapatronic camera, a device capable of capturing images from the fleeting instant directly following a nuclear explosion. These single-use cameras were able to snap a photo one ten-millionth of a second after detonation from about seven miles away, with an exposure time of as little as ten nanoseconds. At that instant, a typical fireball had already reached about 100 feet in diameter, with temperatures three times hotter than the surface of the sun.
This is the first in a great series of articles on HDR (High Dynamic Range) photography techniques.
Today’s digital cameras match or slightly exceed the performance of silver halide film. Computer graphics has achieved the goal of photorealism. Now the goal is to go beyond simply matching paper and silver halide - to create display technologies which can present any visual stimuli our eyes are capable of seeing.
One area of rapid development is in dynamic range. A new crop of technologies using High Dynamic Range imaging (HDR or HDRI) aim to extend the dynamic range of digital imaging technologies way beyond traditional media.
This is a good article by Ken Rockwell on taking better photos.
First and foremost your camera has NOTHING to do with making great photos. You have to master technique of course, but that’s just a burden to get out of the way to free yourself to tackle the really hard part of the art. The hard part is actually saying something with your images. This is art and it’s abstract and therefore difficult for many people to grasp. It’s easy and lazy to think a camera makes the photos and to blame bad photos on a camera. When you get better you’ll realize you would have been better off to pay more attention to your images and less to your camera.
Lighthouse in a Tree has a nifty pinhole camara that you download as a PDF and put together yourself. They also have a flash tutorial on how to assemble the camera.
Researchers can use the noise profile of digital camera sensors to identify whether a set of images came from a certain camera. From MetaFilter:
Every original digital picture is overlaid by a weak noise-like pattern of pixel-to-pixel non-uniformity. Although these patterns are invisible to the human eye, the unique reference pattern or “fingerprint” of any camera can be electronically extracted by analyzing a number of images taken by a single camera. Fridrich’s lab analyzed 2,700 pictures taken by nine digital cameras and with 100 percent accuracy linked individual images with the camera that took them.
This is a nice and easy to make flash bouncer card. Sure beats the old index card and elastic band trick.
Article on building your own DIY studio lighting rig. A nice alternative to expensive lighting systems for amateur photographers.
A flexible lighting system is something that I have wanted to play with for a while, but like everything else in photography it seems to be a fairly expensive area to get into, at least when you consider the relative simplicity of a light-bulb.
Thankfully there are a number of cheap and widely-available or easily-made items that can provide most of the same functionality at a small fraction of the price. For under US$75, this article will show you how to put together a flexible and robust lighting system that is both useful and relatively easy on the hip pocket.
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