Poster size photo?

I think the quality of a resized digital print also largely depends on the resampler used. I experimented with different resizing filters, took a large picture, cropped it through the centre (to make it the equivalent of a 5mpx) and then had my dad print it on the A3 laser printer at work. I've never actually blown a 35mm picture to this size before so I can not compare there, but the Lanczos filter was by far the best (for this perticular photograph, there are exceptions). I do not know why photoshop does not have this filter. It is not like this algorithm is proprietary.

It was of course a little bit blurry but if you blow something up to mural size you won't stare at it from a few cm away anyway.
 
sallydance said:
I like the First one. I have been playing around on the site now. http://photofiddle.com/ is really a neat idea. I ordered one of my favorite photographs as a painting.
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Thanks
 

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