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Enlarging photos
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Feb 5, 2021 11:13:09   #
imagemeister Loc: mid east Florida
 
As I have mentioned before, Fine Art America will print from 135 PPI , my own self imposed preference is for 165 PPI. I will add that most 4/c offset printing done for magazines ( at least years ago when I was working in the medium) use dot screening of 133-150 lines per inch.
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Feb 5, 2021 12:01:11   #
via the lens Loc: Northern California, near Yosemite NP
 
maren wrote:
I have a question that I just can't find the answer to. How is it that a person can enlarge a photo to a poster size and get a clear image. There are pictures in motel rooms that have 4 X 5 foot
enlargements above the beds. I have a Nikon D 500 and it takes wonderful pictures, but an 11 X 14 or 12 X 16 would be the limit for a decent enlargement. My friend uses a camera phone and gets enlargements of 11 x 14 that are tack sharp. Does a high resolution scanner have anything to do with this process. Any answers to how this process works would be so appreciated.
I have a question that I just can't find the answe... (show quote)


Your D500 images will, given that you take sharp well-done images, be able to be enlarged beyond the 1:1 ratio of the camera. You can do this in a number of software programs, including LrC and PS if you have the Adobe plan. If you go to an outside printer, like Bay Photo, they can assist you with specific information. Normally, with an outside printer, you would simply load the largest file you have. In actuality, often it does not take a really large file to create a quality print in larger sizes, depending on the image quality and the print size.

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Feb 5, 2021 15:08:58   #
jamesl Loc: Pennsylvania
 
maren wrote:
I have a question that I just can't find the answer to. How is it that a person can enlarge a photo to a poster size and get a clear image. There are pictures in motel rooms that have 4 X 5 foot
enlargements above the beds. I have a Nikon D 500 and it takes wonderful pictures, but an 11 X 14 or 12 X 16 would be the limit for a decent enlargement. My friend uses a camera phone and gets enlargements of 11 x 14 that are tack sharp. Does a high resolution scanner have anything to do with this process. Any answers to how this process works would be so appreciated.
I have a question that I just can't find the answe... (show quote)


----------------
I would use a program like "ON1 Resize" to enlarge the photo you want to print larger. With it you can get larger prints that retain good detail.

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Feb 5, 2021 15:53:35   #
Uuglypher Loc: South Dakota (East River)
 
maren wrote:
I have a question that I just can't find the answer to. How is it that a person can enlarge a photo to a poster size and get a clear image. There are pictures in motel rooms that have 4 X 5 foot
enlargements above the beds. I have a Nikon D 500 and it takes wonderful pictures, but an 11 X 14 or 12 X 16 would be the limit for a decent enlargement. My friend uses a camera phone and gets enlargements of 11 x 14 that are tack sharp. Does a high resolution scanner have anything to do with this process. Any answers to how this process works would be so appreciated.
I have a question that I just can't find the answe... (show quote)


The answer is found in Gene51’s response and posted link.
“ its all about viewing distance and human visual acuity” says it all!

Dave

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Feb 5, 2021 16:17:55   #
Geegnome
 
joer wrote:
I use Topaz's Gigapixel to enlarge images and it hardly has any impact on quality. Some image even look better. Check it out.



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Feb 5, 2021 16:29:42   #
Hip Coyote
 
Gene's exactly right. It is a combination of resolution, size and viewing distance. There are entire billboards that have photos taken with an iPhone. That is misleading because one views billboards from a longer distance away and cannot see the pixelization. It is no different than looking at mosaics in churches in Europe. They look like fine paintings at a distance, but up close one can easily see the smaller bits of tile. The same is true with photos. Or go up at 2 inches and look at your tv.

This is kinda why some of the super high resolution cameras really are an overkill for many people.

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Feb 5, 2021 17:07:13   #
coolhanduke Loc: Redondo Beach, CA
 
frankraney wrote:
Not necessarily so. Go back up and read Gene's post on viewing distance.


Yes, that is a valid point.

Since my Epson only printed 24" wide, I always just had my customers send me the photo cropped to the size they wanted at 300 dpi and never had any issues. When I did, it was because they cropped the photo and didn't check the dpi and it was something less, like 72.

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Feb 5, 2021 18:18:04   #
John Hicks Loc: Sible Hedinham North Essex England
 
There are programs that specialise in enlargement photographs 400% bigger than the original

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Feb 5, 2021 18:54:55   #
frankraney Loc: Clovis, Ca.
 
coolhanduke wrote:
Yes, that is a valid point.

Since my Epson only printed 24" wide, I always just had my customers send me the photo cropped to the size they wanted at 300 dpi and never had any issues. When I did, it was because they cropped the photo and didn't check the dpi and it was something less, like 72.


That is not right either. They can not send you a photo at 72dpi. DPI is printer resolution, not photo res. Photo res is ppi. A Photo 6000x4000 is 24,000,000/24 meg. you can print the photo at 1 dpi or 300 dpi and the res of 3000x4000 does not change. What changes is the printed image res. It will look different printed at different DPI and viewing at different distances.

As I said, go back up and read Gene's post. I believe this is the site he listed. If not thisa is good reading.

http://www.photokaboom.com/photography/learn/printing/resolution/1_which_resolution_print_size_viewing_distance.htm

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Feb 6, 2021 06:43:21   #
no12mo
 
maren wrote:
I have a question that I just can't find the answer to. How is it that a person can enlarge a photo to a poster size and get a clear image. There are pictures in motel rooms that have 4 X 5 foot
enlargements above the beds. I have a Nikon D 500 and it takes wonderful pictures, but an 11 X 14 or 12 X 16 would be the limit for a decent enlargement. My friend uses a camera phone and gets enlargements of 11 x 14 that are tack sharp. Does a high resolution scanner have anything to do with this process. Any answers to how this process works would be so appreciated.
I have a question that I just can't find the answe... (show quote)


FYI: Anytime a question like is asked of UHH, the OP should post his image with best resolution , without any PP. Leave the EXIF info intact or post it along with the picture. Otherwises, we are going to be throwing ideas against the metaphorical wall to see what sticks. OP: you camera should take the cell phone to the cleaners if your settings / lens is optimal.

Alan

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Feb 6, 2021 16:59:38   #
jsfphotos Loc: New York, NY
 
Not sure just how large you can go with current equipment but ON1 sells software called “Resize” — you can blow things up very very large using this.

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Feb 8, 2021 15:27:16   #
maren
 
Gene51 wrote:
The answer you seek, Maren-San, is here:

http://www.photokaboom.com/photography/learn/printing/resolution/1_which_resolution_print_size_viewing_distance.htm

So called "enlarging" software does NOT add detail, only interpolated pixels and some microcontrast enhancement, particularly on edges. It also often adds some undesirable artifacts.

This question comes up several times a week, yet the answer does not change - its all about viewing distance and human visual acuity, which diminishes with increasing distance. A 40x60 print needs only 40 ppi or so to look pretty sharp, which translates to 1600x2400 px, or just shy of 4 mp. Remember the days of multiplex theaters? The great looking Sony 4K films shown in the premium screening rooms are only 3840 x 2160 px, or 8.3 mp. Most people are unaware that with most images you really don't need super high resolution, nor do you have to resort to interpolation software to raise the pixel count - especially if you are anticipating normal viewing distances.
The answer you seek, Maren-San, is here: br br ht... (show quote)


Thanks Gene51. Good website.

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Feb 8, 2021 15:30:39   #
maren
 
billnikon wrote:
Under the right conditions you should be able to get great 16X24 prints without an issue. I even get 20X30 prints from my D500, most of the time a 200-500 mm 5.6 lens is attached.
Good luck and keep on shooting until the end.
And remember, the LENS takes the image, not the camera, sometimes a better quality lens can produce great images given the proper approach by the photographer.


THank you for your time billnikon. You have encouraged me.

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Feb 8, 2021 15:34:52   #
maren
 
coolhanduke wrote:
My first digital camera was a Nikon D3 which was 24mp. I used to print 24x36 prints on my Epson 7900 all the time with no issues.

Question is, how are you cropping your images? You need to make sure they are the size you want at 300 dpi.


I am pondering the last sentence. Thank you for your time.

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Feb 8, 2021 15:36:48   #
maren
 
joer wrote:
I use Topaz's Gigapixel to enlarge images and it hardly has any impact on quality. Some image even look better. Check it out.


Thanks joer, I am anxious to google that.

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