Saving RAW size and resizing in ON1 RAW Resize (Page 2): You can, but the benefit would be subtle at best, and the image file would be huge

Gene51 Loc: Yonkers, NY, now in LSD (LowerSlowerDelaware)

DebAnn wrote:

OK, so directly from my original shot raw image in LR, I can export a 12" x 18" print at 300 dpi. If I want to make an image much bigger than that, at 300 dpi, I can resize it in ON1 RAW. Am I correct?

Thank you all for your input.

You can, but the benefit would be subtle at best, and the image file would be huge - a 30x40 print at 300ppi would need 9000x12000 pixels, or 108 mp. Resizing larger is never going to add fine detail, which at normal viewing distances will be lost anyway.

Some people out there who have no clue how this works will insist that this would be correct - I have NEVER seen a print lab insist on a 108 mp image for a 30x40.

There is a method called superresolution capture that was written about in Petapixel a couple of years ago that looks interesting.

https://petapixel.com/2015/02/21/a-practical-guide-to-creating-superresolution-photos-with-photoshop/

This WILL give you a visible increase in resolution and fine detail capture that resizing can't do.

Apaflo Loc: Anchorage, Alaska

Gene51 wrote:

You can, but the benefit would be subtle at best, and the image file would be huge - a 30x40 print at 300ppi would need 9000x12000 pixels, or 108 mp. Resizing larger is never going to add fine detail, which at normal viewing distances will be lost anyway.

Some people out there who have no clue how this works will insist that this would be correct - I have NEVER seen a print lab insist on a 108 mp image for a 30x40. ...

But if you get down to it they will tell you exactly that. The reason is because all images generated with a Bayer CFA need sharpening done as the last step before printing. To get it right it must be judged by inspection of a 100 percent crop view (a section of that 108 MP image). The sharpened 108 MP image is then printed.

If the smaller original image is sharpened the effect will not be optimum because the print driver necessarily resizes the small print to 108 MP but it can't then be sharpen correctly before ink is committed to paper.

If you are not all that critical, fine. Those who seek the best product always resize then sharpen and only then print.

claylj

If you have it, just use On1 Perfect Resize and quit worrying about it. I work with Bay Photo and experience has thought me to resize everything that I send to them. I have gone up to 80X40 with great results.

P.S. Try metal prints, they are great!

Marionsho Loc: Kansas

claylj wrote:

If you have it, just use On1 Perfect Resize and quit worrying about it. I work with Bay Photo and experience has thought me to resize everything that I send to them. I have gone up to 80X40 with great results.

P.S. Try metal prints, they are great!

Welcome to the Hog, claylj.
Marion

jeep_daddy Loc: Prescott AZ

DebAnn wrote:

I have a bit of a problem figuring out how to make a very large print using a shot from my Canon 70D which has 20.2 MP.

RAW size image is 5472 x 3648.

Assuming an image is well in focus, after processing in LightRoom, what is the optimum size I can export the image at 300 dpi before going to ON1 Resize and enlarging it to, for want of argument, something like 16" x 24" or larger?

Any help would be much appreciated. The techie stuff gets me every time.

Use the full size image. Do not reduce the size. If you have to do a deep crop, then you'll have to upsize the image.

jeep_daddy Loc: Prescott AZ

DebAnn wrote:

RAW size image is 5472 x 3648.

You can print an 18" wide print at 300dpi on the long side with those pixels. But don't worry about it. You don't need 300dpi to print and image that's 24" wide. Use ON1 to print at 24 inches wide and forget about it.

If you want the best print, use an app like Photoshop and bring the size up to 24" wide at 300dpi and let the program interpolate. It will be perfect.