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Checking the workings of the Burnett Diffuser at Fairymead Sugar Mill, Bundaberg. This diffuser was relocated in 1982 to the southern side of the mill. Scanned from a publication (1969) by CSR Limited on behalf of the Australian Sugar Industry.
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Have you ever been some place and in desperate need of a diffuser for your on-camera flash?
You've heard about using a biz card but you've got nothing to hold it in place?
Well here's my mod, which occured to me in just such a situation.
I used to do origami as a kid, spent hours folding paper over and over and... where was I?
Yes! The diffuser. Well you've probably folded an aeroplane using this method so I used it to fold my biz card and slip it into the gap that exists on my 400D built-in flash.
Method:
1. Fold each corner fully across the card
2. Colapse togther to form triangular peak
3. fold the 'ears' up to form a small square
Background black velvet. This is the second of four portraits taken with the same camera and sitter position, but with four different modes of use of the pop up flash: direct, diffused, and ceiling bounced, and card bounced. All were shot at f8 at 75mm and were cropped in width but not height.
All were subject to exactly the same processing: ex-camera jpeg, with Picasa's auto exposure-fix button taking care of differences in exposure. I couldn't be bothered trying to set flash power more accurately than "looks good enough in camera LCD", which in practice was about a stop in variation.
This is the second, with the flash diffused with a Fong Puffer copy diffuser like this. The next, with ceiling bounced pop-up flash, can be seen here.
Because the flash power drop of the diffuser might confuse ADI flash control it was set to plain TTL for this shot. It couldn't reach the 1.65m to the sitter, and looked about two stops down. Raising ISO to 400 brought it within reach. The in-camera high ISO noise processing was on. Because the exposure was good very litte adjustment was made to the ex-camera jpeg by the auto exposure fix of Picasa which was standard for this series of comparisons. I can't easily see any noise or noise reduction artefacts in this image. They might have been visible if there had been more dark detail in the image.
There is a slight reduction in contrast in the image, compared to the previous direct flash image. There is some shadow fill in being provided by reflection of the more widely diffused flash from the white walls of the room. This can be seen clearly in the reduced darkening of the top of the head. Given the large size of the room the amount of this shadow fill quite surprised me.
Original DSC03558X
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Last year, I had the chance to work with the Beach Tourism Monitoring Team (BTMT) of the Department of Interior and Local Government (DILG). They are one of those guys responsible for the rehabilitation of Boracay Island. On this day, we went there to celebrate the anniversary of its rehab and to monitor its improvement and status. I was able to borrow a Digital SLR for that trip and having limited knowledge and experience with it, I opted for the easiest way for me; put it on manual settings just like how I would shoot with my Film SLR. :p I will be sharing some of my favorite shots and here is one of them.