JPEG or TIFF question

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yeoboy

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Bruce
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Having recently bought a 500d, I am taking a lot more pics and am wondering if I convert my JPEG files to TIFF will I be able to carry out any work on them in PS, Or, Would they require to have any work carried out on them first,It seems important as new ideas and knowledge is gleened which might change the way i work on the images.
 
Do you shoot in RAW or JPG to start with ??

Don't know what you use but I find it helps to shoot in RAW, load the RAW files directly into PS then save as JPG for web use leavnig the RAW intact incase you want to do anything else with it...
 
You can 'work' on either JPGs or TIFFs, however as JPGs are a 'lossy' format every time you save them they will tend to deteriorate. Whereas TIFFs will not, but they can be enormous files.
 
There's no real point converting jpg to tiff as the extra information has already been lost. Shoot RAW if you can and get used to converting your own images into whatever format you need, jpg for web, tiff for decent printing and long term storage, save the RAW files for future conversions.
 
Ive only got an old version of PS version 5 LE,I could see very little gain for raw on my particular camera but, Am planning to use a lens that can produce some green/magenta fringing so will be looking at how to improve this aspect.
 
all canon EOS cameras come with DPP (digital photo professional) which is a good basic raw file adjustment and converter. It won't do any editing to selective areas but handles stuff like the exposure, white balance, sharpness and cropping well.

If the lens has got serious chromatic aberrations (CAs) then ditch it, or is it something special?

DPP also claims to do lens corrections for many of the mainstream canon lenses, but I've not used that set of features.
 
Well, The lens I have in mind is the Tamron 18-270mm, It has a remarkable range but suffers some compromise,One of which is the fringing but only on a small section of its range ,So, I am thinking if I find out how to offset that issue it will give me the benefits I have been used to using a Lumix FZ18.
 
I've only shot one image from a TIFF file and it was nearly 40mb, came out well though i must say, really sharp for a night image.
 
john-oh said:
You can 'work' on either JPGs or TIFFs, however as JPGs are a 'lossy' format every time you save them they will tend to deteriorate. Whereas TIFFs will not, but they can be enormous files.
Click to expand...

this statement about every time you save them ONLY apply if you have one worked on the image and two if you same with lest then max q of 12.
If you just open it and shut it no change to it.
As for the OP question if you shoot in JPG then going to TIFF is not going to add to the image you need to shoot in RAW.
 
As above really they are huge files so stand by for extra disk storage
 
Steep said:
<snip>

, tiff for decent printing and long term storage, save the RAW files for future conversions.
Click to expand...


I'm reading from this, to convert a RAW to TIFF for long term storage; and was just curious, why do you recommend TIFF for long term storage, as opposed to just the RAW file?
 
I haven't had anyone ask me for a tiff file in years. Shoot RAW convert to jpeg as required and keep the RAW. You don't need to save a tiff. If you're paranoid about the long term then convert to DNG but I wouldn't bother.
 
Thanks for the input, It seems to make sense to shoot raw but it kind of adds ato the learning curve for newbies like me, A workflow routine is required, Any tutorial suggestions?
 
What software do you use? Highly recommend Lightroom - fast and easy.
 
This is the problem, Spent beyond my budget for a competant camera then find that good software costs an arm and a leg!!
 
yeoboy said:
This is the problem, Spent beyond my budget for a competant camera then find that good software costs an arm and a leg!!
Click to expand...

DPP cost you nothing, should have came with the camera, and easily capable of making basic adjustments.

The software is right there in front of you but for some reason most people skip over it and assume you must use Adobe SomethingOrOther - can't see the wood for the trees methinks!
 
I got a veritable raft of apps with the camera and yep, Am going to shoot raw so that i retain a digital negative, and go with it. Cheers.
 
DPP is not lossy when it processes JPEGs - it just adds the recipe to the file header. It only becomes lossy if you "convert" the file each time you save. If you only "save" then there is no loss. The caveat is that output from the stamp tool is only made visible in the final image if you convert - but if you do not need to clean up the image, then no loss.
 
awp said:
I haven't had anyone ask me for a tiff file in years. Shoot RAW convert to jpeg as required and keep the RAW. You don't need to save a tiff. If you're paranoid about the long term then convert to DNG but I wouldn't bother.
Click to expand...

if you need to edit past lightrooms capabilities and use CS4/5 to do it - it will by default save as a TIFF
 
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