Lightroom :: File Size Difference In LR And PS?
Aug 18, 2013
LR 5 shows them as 16mb files. PS CC shows them as 91mb files. Finder shows one as 95mb and the other as 234mb.
I'm pretty new to LR and have been doing LR editing and then using NIK plugins or Perfect Photo Suite and sometimes PS, always saving them back to LR and printing in LR. Often I wind up with 3 or 4 files. Part of this is because after printing , I export the file to my "printed" folder which allows me to easily find all I feel were good enough to actually print at some later date. I'm sure some of this is that I still am not completely trusting LR because I'm still surprised with things like this from time to time... I'll get there.
But how can I figure out why these file sizes are so disparate?
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Sep 27, 2012
In lighroom 4 my image shows as being 9.9 MP. In mac finder it shows as being 59.2 MP.
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Oct 28, 2012
when I save an image in photoshop (file size 26mb) it shows as a 70.7 mb in bridge or window explorer. Why?
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Mar 5, 2014
Currently using PSE8 on pc platform.
Just out of curiosity, why is the "my catalog file" which PSE references on the local drive so much smaller a full backup of the catalog to an external drive?
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Aug 12, 2012
I'm using LR4.1 on OSX 10.6.8. I convert my NEFs to DNGs at import, do my edits in LR. Most of the time when I want to create output it's for screen use. I use "Export" and produce JPGs.
But when I'm preparing files for printing at the lab, I use the Print module, and Print to File, because I like to create a JPG where the image size is smaller than the paper size, for framing purposes. For example, I use the Print module to output a JPG where the "cell size" is 11x14 but the "custom file dimensions" are 12x18, then I have the lab use 12x18 paper, leaving me a white border on my print that makes it easier to mat and frame.
Two questions, really.
1. Does LR do anything differently as it creates a JPG, depending on whether you use Export or "Print to File"? I'm assuming not, but just wondering.
2. Is there a way to do what I want to do -- create a JPG where the picture is one size but the paper size is larger -- through the Export dialogue (like ideally, through an export preset) or do I indeed have to go through the Print module to do this?
No emergency here, my method is working for me. (Though using an export preset to do what I'm doing, rather than having to go through the Print module, would be a little quicker, I suppose.)
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Aug 28, 2013
1. How do I connect, collapse and disconnect windows (tool bar, property manager, etc.)? They get stuck together and I can't unstick them.
2. What's the difference between canvas size and image size?
3. Which tools are only for web design (i.e. tools I can ignore if I'm not doing that)?
4. What's the subselection tool do?
For Photoshop:
1.Why is the original layer always locked?
2. Whats the name of the property inspector in PS? And is it called inspector or manager in FW?
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Dec 6, 2013
My picture’s original size was 108.2 MB in tiff. After I developed my photo in Lightroom and exported the new image, the file decrease to 50MB in tiff. Why did Lightroom decrease the file size to more than half the original size? Is there a way to increase the exportation file size to that I may develop a large size print?
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Jan 6, 2003
I have an image im about to layer but it's too big.
how do i shink this image down to the size i want it after/before layering it?
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Jan 25, 2013
The difference in document size between PS6 and Bridge 6. After the final editing, the picture (PSD) size will be say 85 MB in PS6. However, viewing the same picture in Bridge, or Windows Explorer, the size will be 150 MB.
I should also mention that the pictures were passed through LR4, then on to PS.
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Jul 25, 2013
What actually is the difference between the standard sheet eg ARCH D (36x24) and ARCH Expand D (36x24) sheet sizes? this have to do with printable margin areas?
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Jun 8, 2006
I've resized a photo in Image Size but when opening Canvas Size, the dimensions have changed slightly. Why?
To get the printed size I set in Image Size, do I have to alter the canvas size or do I not need to bother with it?
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Aug 16, 2006
If I open a JPEG file of say 75kb, make some modifications and save at max. resolution (to avoid as much degradation as possible) it ends up 225kb. Question how would I retain the original 75kb? Why would max. add kb if there are only 75kb to begin with? I would assume the max. would leave it as close to the original as possible.
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Sep 19, 2013
I was given these instructions :
The booking is for a full page and the dimensions are as under: height 262mm x width 191mm, trim size height 278 x width 216 & add 5mm bleed on all sides.
When I create a new illustrator doc which dimensions should I enter? 262mmx191mm with 5mm bleed? or 278mmx216mm with 5mm bleed?
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Oct 18, 2013
Running LR 4. Recently noticed that when importing CR2 files and converting to DNG that the file size almost doubles. "Imbed Original" is NOT selected in the Preferences menu.
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Mar 8, 2012
I was *so* hoping that we'd finally be able to filter (or create a Smart Collection) based upon file size.
There are many reasons why this would be useful but the thing that trips me up every once in a while is that I'll forget to flatten my layers in Photoshop and the resulting tiff could be over 500 MB! Everyone once in a while I'll manually find the large files, flatten the layers, then re-import them into LR - in the specific case I mentioned the file was reduced to 17MB.
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Dec 7, 2011
I am running LR3.5 on an iMac. I created a slideshow yesterday that contained 40 images, and exported as a PDF.When I emailed it to three friends and myself, it bounced (too large) from three of the four friends I sent it to.
How do you check the file size of a PDF slideshow? how to share a slideshow without bumping info size limitations?
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Dec 22, 2011
According to u what is the difference between JPEG file and PNG file. What are the functions and benefits of both the files.
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Apr 5, 2013
Very large DNG files from the new X100S camera?
I am importing raw files from the X100S, converting them to DNG files, and they come out at around 55Mbytes per picture. When the quicker startup info and the Raw file is included in the DNG file, the size goes up to around 70Mbytes.
Specific environment: OS X latest version 10.8.4, iMac about 3yrs old.
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Oct 16, 2013
How would one search and sort by file size? I don't see a way to do that. I'm trying to delete the largest files that have no future in my catalog.
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Jan 12, 2013
After scanning a silde as a TIFF, when I import into the Lightroom library the file size is only about 1/6th the size of the file scanned onto my hard drive. A 50MB scan becomes an 8MB LR file. If I take the file into Photoshop it is still 50MB. I tried saving the photoshop file with a different name and then bringing into LR but it still ends up at 8MB. I get the same problem using both VueScan 9.0.90 and Silverfast 8.0 scanning software. How do I keep the original file size?
LR4.3 is up to date
OS-X 10.8.2 is up to date
Pacific Imaging Electronics Powerslide 5000
Imaging software is VueScan 9.0.90 and Silverfast Ai Studio 8
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May 3, 2012
i'm currently using LR 4.0 and found a problem with file export.
I have two tiff files:
Tiff 1: 283MB, full resolution ( 2336 x 3504 )
Tiff 2: 233MB, full resolution ( 2336 x 3504 )
Export witht: 574 x 1000 image width
JPG 1: 168kb
JPG 2: 194kb
Both jpegs have 600px x 887px (fram with mogrify plugin#) and 100%jpg quality.
Whe I set a limit to file size of 154kb, I receive following:
JPG 1: 102kb
JPG 2: with error ( couldn't create jpg which fit's the file size limit of 154kb )
If I export the second tiff manually with 90% jpg quality and no filesize, I get:
JPG 1: 114kb
JPG 2: 135kb
So it seems that the "limit file size" isn't really working.Also it seems that Valus between 92 and 100 ends in: same as 100.
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Dec 13, 2012
I had a question on reducing the image size after editing in Photoshop.
After doing my changes in Lightroom, I typically make edits in Photoshop and then do some final touchups back in Lightroom. The RAW file from my camera is approximately 24 MB. After making my edits in PS, the TIFF file it produces (with all layers flattened) is in the 60 MB range.
My question is, if before sending in back to LR, I change the image size in PS say to 12 MB or so, am I basically creating a lossy jpg file? Meaning -- by reducing that TIFF file size down to 12 MB am I throwing out important information such that when I go back to LR I am losing information and won't have as much control as the 60MB TIFF file?
keep upwards of 80MB per image (due to the RAW + edited file). I don't want to lose imporant information so I will if I have to, but would prefer not.
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Jul 14, 2013
I notice that when I use Lightroom 5 to rename the pictures contained in a folder, the folder size is reduced afterward. For example, a folder containing 349 jpg files was 1.52 GB but after renaming them, the folder size was redusce to 1.30 GB.
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Feb 9, 2014
After import to LR 5, file size goes from 20-30mb to 40-50mb. Updates are current, no preferences have been changed. This issue happens with two difference cameras.
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Feb 22, 2012
I take a large number of event images and the usual client request for images being sent to the press is image size rather than resolution, dimensions or other requirements.
Clearly in LR3 if the client has requested 3MB jpg the easy option is to after processing take my Canon 5d mkii RAW file and just hit export to max 3MB jpg.
My question is is it better - ie image quality better - to export by resizing longest edge to approx 3000 px and exporting to jpg which results in a similar file size, though different pixel dimensions? Or are they effectively the same?
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Dec 27, 2012
Where can I turn on options on an image and get the file size and type?
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Jul 7, 2012
I’m wondering if there is a rule-of-thumb that one can use to predict the approximate size when exporting a raw file in Lr to a jpeg file. For instance, would an average 25 Mb raw file convert to about 5 Mb jpeg with the Lr export quality set to 100? To about 3.5 Mb with a quality of 80? …
I know the size will vary, but when I am exporting a collection of raw files and I have set the max file size to a certain amount, Lr sometimes won’t convert all the images because I have limited the file size too small. I’d like to be able to get a handle on some sort of quality/file size relationship before I start the export process.
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May 30, 2013
I am new to using Tool Palettes. I have created a folder on my C: drive which contains all my tool palettes. Right now, I get the symbol of a circle with a line drawn through it and cannot use my tool palettes.
In the Options tab, I noticed that there are the "Tool Palettes File Locations" and also "Authoring Palette File Locations". What is the difference between the two? Do I need to do something to both so I can use my tool palettes without difficulty?
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Jan 3, 2012
I wanted to know what the difference between .JPEG and .JPG were. I found this link:
[URL].......
Basically they are the same extension and on older computers they could not hold more than a 3 character abbreviated file extension.
But, I want know, what other extensions are relative to Gimp, or what and why is .xcf, .png, .gif, .jpeg, .jpg, the extensions always used? Are there others? What is the relevance to .xcf, and the plug ins are all saved as .scm, .gbr, etc. That part makes sense, but I have a plug in for G'MIC with a strange extension (.par2) and I cannot install it.
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May 27, 2013
what is the different between a movie file (.wmv) and a PDF file (.pdf)
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Apr 29, 2013
When I import a 26.8 MB (5616 x 3744) CR2 RAW file from a Canon 5DMKII into Lightroom 4.4 and then export it as a JPEG sRGB Quality 100 file, it's size is 13.4 MB. When I do the same thing in Aperture 3.4.3 the exported JPEG file size is 20.8 MB. Am I doing something wrong in Lightroom?
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