Raw files have not had while balance set. They are tagged with whatever the camera's setting was, (either that which was manually set or via auto-white-balance), but the actual data has not been changed. This allows one to set any colour temperature and white balance one wishes after the fact with no image degradation. It should be understood that once the file has been converted from the linear space and has had a gamma curve applied (such as in a JPG) white balance can no longer be properly done.
GeoffR wrote:Very interesting thread and certainly a lot of useful tips.
I did take my images in RAW format and do the conversion/Photoshop CS3 thing with them, which I found very time consuming. I have since acquired Lightroom 2 which I believe allows editing of jpeg images without loss of quality, although I stand to be corrected on this.
All my images are now taken in jpeg format and processed in Lightroom, and I can't say that I've noticed any deterioration in image quality during processing. Certainly a much easier process and Lightroom has some additional functions that CS3 doesn't. I would be interested whether any other photographic 'nuts' here are using Lightroom.
Geoff
Maraea48 wrote:Biggest mistake: Take 1100 photos on the final day at the tour down under in Adelaide [won by a Tasmanian] and then format the card.
Have a read of this -Maraea48 wrote:I do have a Sandisk file recovery program, However apparently If you format the disk in an Canon camera it will overwrite the files thus making it impossible to recover lost file.
Again, depending on how long ago or how full you've had it since, I'd still be trying a recovery on that card.There are two significantly different types of the format procedure. After using one of them, the data can still be recovered, but after applying the other - the data is unrecoverable.
Most cameras use the normal mode of format (quick format) after which you can restore your data. However, in Canon PowerShot digital camera series there are both the normal mode and the "low level format" mode. If you use "low level format" (complete format), all the data on the memory card will be deleted irreversibly and any data recovery software would then be useless. Nevertheless, Canon digital cameras use the normal format mode by default. If you formatted your memory card in the normal mode, the data recovery process doesn't differ from other cameras. If you used the "low level format" mode, you cannot recover anything because all your data is gone and there is nothing left on the memory card.
Depth of field at any given f stop is less noticeable at wide angle and more noticeable at zoom. The more zoom, the more noticeable the DOF (or lack thereof) will be. If shooting a number of shots to compare f stops, do it at different zoom lengts, including the minimum and maximum that you would typically have with you, this will give you a better idea of what the equipment you carry is capable of and when you should use certain settings - what you are trying to achieve, and how to do it.Maraea48 wrote:When I have the time I will take a number of brackets at different F stops but during processing I always seem to end up with the F8 versions having the best dof.
It's easy to learn, the answers are out there...Maraea48 wrote:As for Histogram? I am a learner and have not jet learned to understand it and I know I still have a long way to go there is so much to learn!
Depends on whether you are happy with your results, and what you are doing with them. An earlier post by me points out my feeling on shooting raw.Maraea48 wrote:As for RAW you probably Illustrated my point, after a lot of processing the raw picture would probably look better than the Jpeg but is it worth the efford?
Basil.
taswegian wrote: Evening landscape can be tantalisingly beautiful.
I take regular shots of my beloved mountain as viewed through kitchen window and evening is such a gorgeous time as the light changes along with the mood, and at times so suddenly.
Curious as to comments on how one approaches such. (evening when light is varied - not help on my kitchen window )
Generally take a few at slight exposure differences.
I don't shoot Raw all the time but expect this is one time of day when one can eke the most out of the camera?
Below is this evening and the light varies across the mountain and paddocks. Straight jpeg just reduced in size for viewing.
beardless wrote:Even if you are not using a tripod one of the best tips I have employed for landscape is to use the timer (shutter delay). When hand held, I set mine camera on 2 second delay and it has produced many less blurry shots.
cajun wrote:Fantastic thread. I am sure I will revisit this lots.beardless wrote:Even if you are not using a tripod one of the best tips I have employed for landscape is to use the timer (shutter delay). When hand held, I set mine camera on 2 second delay and it has produced many less blurry shots.
In the spirit of "there are no dumb questions" ...
Can you explain this please? It seems counter intuitive, doesn't that lead to more camera shake?
Cheers
Ken
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