Challenge 25:Decisive Moments

Started Sep 24, 2004 | Discussions thread
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Yoni Regular Member • Posts: 280
Challenge 25:Decisive Moments

First, thanks go to Olaf for a stimulating Challenge 24. Given the intense competition we had, I am quite flattered to have won the opportunity to host Challenge 25. Equal in vigor was the competition in the Exhibition Gallery and I extend my congratulation to Guenther Wittwar on his win there with a truly extraordinary entry.

As you are all aware, Henri Cartier-Bresson died recently. To celebrate his life and contributions to photography, I selected a challenge that epitomizes his photographic genius. The term ‘decisive moment’ was defined by him as ‘the simultaneous recognition, in a fraction of a second, of the significance of an event as well as the precise organization of forms which gives that event its proper expression." His photographs often of an ephemeral subject were exposed at precisely the right second. While I am largely thinking of street photography in this challenge, the challenge is meant to be open for alternative settings. Critical is that the situation imaged is essentially unrepeatable, is extremely short lived, and that the resulting image leaves no doubt about the appropriateness of the instance selected.


The Canon DSLR Challenge galleries are located at

There are two galleries/categories you can enter submissions into: Eligible and Exhibition.

  • Eligible: Entries must be taken with a Canon Digital SLR camera during the Challenge period, please see the timetable below. A maximum of 3 images per person may be submitted to this gallery.

  • Exhibition: Entries can be taken with any camera at any time. A maximum of 3 images per person may be submitted to this gallery.


  • Challenge Begins: NOW - at the post of this thread.

  • The voting booth will open automatically at the end of the challenge and stay open for voting for 48 hours. I will post a link to a new voting thread in this thread (or its successor, if we hit the 150 post limit) as soon as possible after the voting has begun. You do not need to wait for the voting thread in order to vote. The voting booth is here:


  • There are no limits on image post-processing. Edit to your tastes and the voters will decide if it's too much.

  • To have your image(s) come across the way you've intended - on multiple monitors, browsers and operating systems - make sure it is in the sRGB color-space and please embed the color profile when saving.

  • There is no limit on pixel dimensions, but viewers are more likely to appreciate your work at its original size without the use of scroll bars. So - unless your photograph has a very untraditional aspect ratio - keeping the longest side of the image at 800 pixels or less is strongly recommended.

  • Please size your images to 150kb or less. The size of the file once it is uploaded to PBase is the size that counts. PBase reports the size in the rightmost column on the "edit this gallery"-page. 150kb = 150x1024 bytes = 153600 bytes. To save you the trouble of recompressing, I have found that aiming at around 140kb in Photoshop, usually will keep the file size under the allowed 153600 bytes once it is uploaded to PBase.

  • To preserve the exif-information, which is desirable but not mandatory, please use the "Save As"-command instead of "Save for Web". When updating an image in-place, PBase will retain the original exif and therefore using "Save for Web" can be used in that circumstance.


  • The login and password are unchanged from the last challenge. New contributors should email the moderators at pass(at) for these credentials. Please allow a few hours to receive a response. Note: (at) = @.

  • Please ensure each image includes your name and a unique title. For eligible entries, the date on which it was taken and the camera model must also be shown. Exif-information is not a must, but always appreciated. Also, feel free to share your shot set-up, post-processing details, and the like with your fellow photographers.

  • Those who prefer more plainspoken and critical comments on their images should mark their title(s) with an asterisk ( ).


  • Please respect one another’s work. Do not delete, move, or otherwise edit other entries. Please respect the first-come, first-serve sequence of the gallery. You may update your images in-place, provided that the subject matter and general treatment have not materially changed (PBase supports this function on the “Edit Image” page).

  • Image by image, please share your comments with your fellow photographers. Challenges reach their full potential when the dialogue becomes as important as the images themselves. You have to be logged in, in order to leave and read comments.

  • By clicking on "profile" at a gallery page and then on "View Your Forum" (you have to be logged in for this to show) at the Profile page that appears, you will get to the PBase-forum for Canon DSLR-challenge. This is a great way to follow new comments on any and all images in the galleries.

  • If you are the first to comment on an image, I kindly ask you to type (or copy paste) the title of the photograph into the subject-field of the commenting page. This will default the subject field of all subsequent comments to the title of the photograph and will make the PBase-forum so much more informative and legible.


  • Please post any questions, comments, and concerns in this thread. As host, I will do my best to respond promptly, but others may reply before me. If you prefer private correspondence, you can send me an e-mail. The address is in my profile.

Photo gallery:

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