How do you spot the Canon EF 24-105 with the flare problem?

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Hi, I am going to Focus on Imaging 2006 and if the price is right I will be buying an EOS 5D or maybe a 20D and I am tempted by the new
Canon EF 24-105mm f 4 L IS USM Lens. This is to replace my EOS 1N that I sold last summer, only leaving me with my trusty EOS 600!
What do you think of my intended purchase and are there any issues that I should be aware of. I believe that some of the early 24-105mm lenses had an issue with flare. How do I spot one of these?
Can you put a polarising filter on this lens without vignetting. At the moment I have the EF 24-85 lens and this is a problem on the wide setting even with one of the Hoya ultra thin filters?
Thanks for your thoughts, PeterT.
 
Well Canon aren't going to be at Focus so you won't be able to play with any of their gear :(

To test for flaring shoot wide open (F4) at 24mm with the sun at a 90 degree angle to the lens. Most have been fixed now though.

If you use wide angle lenses more than telephoto then go for the full frame 5D, otherwise the 20D is perfect.
 
Thank you for your replies. After a bit of searching I found the information on the forum. Regarding the 5D rather than the 20D, on a recent trip to the Lake District I "pretended" that my EOS 600 was a 20D with my 24-85mm lens in that the widest I would allow myself was 38mm (approx 24x1.6 crop). I kept wanting to have a wider angle for a lot of my shots so this is pushing me towards the 5D.
I had thought about keeping my film camera and having all slides put onto Super size CD at the time of developing. I had my last film processed like this at my local chain of high street photographers and the quality of images on the CD was appauling with hairs or other bits on the images and a max file size of 502kb. What a waste of time!!

PeterT.
 
PeterT said:
I had my last film processed like this at my local chain of high street photographers and the quality of images on the CD was appauling with hairs or other bits on the images and a max file size of 502kb. What a waste of time!!

PeterT.

No prizes for me guessing who that is. They did exactly the same with some prints of mine. I think they must have connected the shops vacuum cleaner directly to the minilab! They swore blind there wasn't a problem and I was imagining all the dust and hair clearly visible on the prints, but strangely missing from the second set I 'asked' them to do for free. ;)

But for proper process and scanning, try www.peak-imaging.com. Even the basic CD gives you proper 6mb jpg images to play with.
 
PeterT said:
Thank you for your replies. After a bit of searching I found the information on the forum. Regarding the 5D rather than the 20D, on a recent trip to the Lake District I "pretended" that my EOS 600 was a 20D with my 24-85mm lens in that the widest I would allow myself was 38mm (approx 24x1.6 crop). I kept wanting to have a wider angle for a lot of my shots so this is pushing me towards the 5D.
I had thought about keeping my film camera and having all slides put onto Super size CD at the time of developing. I had my last film processed like this at my local chain of high street photographers and the quality of images on the CD was appauling with hairs or other bits on the images and a max file size of 502kb. What a waste of time!!

PeterT.


What about the 20D and the 10-22 EF-S USM? the lens will give you the width you need and most likely hold its value for a long time to come and will still be considerably cheaper than the 5D?
 
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