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I need to print one of my pictures slightly big.

It is 3400X2300 ie 8 Mpix [8X11 inches]

Questions:
1. Is it feasable to upsize this using PS.
2. Is it even possible to print this big using photographic paper and if so, where?

Any tips etc?

At 300dpi, that's 9000 x 6000 pixels, 54MP

Pretty serious uprez. I'm sure you can do it, but you might want to consider the results in terms of the viewing distance. You can do that economically by uprezzing the image and then printing a crop at final size to view in place...

I'm sure there are better uprezzers here than I, but I do know that there is a fractal based uprez program called Perfect Resize (used to be Genuine Fractals) which is supposed to be good. Also you can StairStep resize in PS (incrementally resize a small amount at a time until you achieve the required finished size).

Interesting Jeff Schewe article on resizing here.

I think you will find 20x30 can be done at many good labs. Also worth asking the lab about uprezzing, they also may have some answers...

I got a print done 140 x 90 cm or there abouts (slightly bigger I think).

Size wise on the wall, it's big. Bigger than I thought. If you have wall that needs a feature, then big is best. No one is going to be pushing their noses up against it looking at it closely, it's meant to impress by size, not pixel peeping detail.

If you are using a site where you can upload, they will often have a file size limit, so figure out what the exact dimensions of the image you need to upload are, and use that. I.E. 150 dpi at the physical dimensions of the print itself.

As I posted in my thread, make sure you pixel peep the image before uploading, small pixels that you miss on the screen become exceptionally big.... And once YOU notice them on the print, they will drive you mad. Trust me.....

photohiker wrote:At 300dpi, that's 9000 x 6000 pixels, 54MP

I was planning on doing 240 but you are correct, it's a pretty large upsize.

photohiker wrote:You can do that economically by uprezzing the image and then printing a crop at final size to view in place...

Could you explain this again?

photohiker wrote: Also you can StairStep resize in PS (incrementally resize a small amount at a time until you achieve the required finished size).

I was planning on doing just that. Thanks for that article though. I need to read it again to fully comprehend it. I couldn't see his settings on the dialog boxes on PS.

Raskill wrote:If you are using a site where you can upload, they will often have a file size limit, so figure out what the exact dimensions of the image you need to upload are, and use that. I.E. 150 dpi at the physical dimensions of the print itself.

Thanks all good advice.

Raskill wrote:pixel peep the image before uploading

Thanks again! I've started doing this and discovered a few tidbits...

Will report back after I find a worthy printer etc...

Could you explain this again?

Sure

1. Uprez image to finished size and ppi.

2. Take a couple of crops at print resolution (240) of about 1440px x 960 for a 6x4 print.

3. Have crops printed at 6x4

4. View crops at expected viewing distance for whole 20x30 print.

Vary size and number of crops to suit.

Cheers and good luck with it. I've got a pano I want to print at 1.2m, tossing up between canvas and normal print atm...

Michael

Michael that makes complete sense and a great trick that I didn't know! Thanks for the detailed explanation.

Suren
I got a 3 mtr by 2 mtr Nikon D200 print done on waterproof canvas. It cost $3000 to get printed. Looks great provided you don't put your nose to the canvas. I have no idea what to do with it....maybe use it as a car cover or something.