We have a few instructions before you get started!!!
High resolution photos are available from the current photos page. Do not
attempt to download the thumbnail and use it in a print publication. For more
information about downloading and using photos for print publications, see our
photo primer.
If you click on a picture and don't get a large picture that means we only
have a low resolution photo good for posting on a Web site or adding to a video
or PowerPoint presentation, but should not be used in any print publication.
If you find a photo in the archives and would like to receive a larger photo,
email your request to Tparham@flumc.org.
Please be sure to include the photo number.
And finally, if you plan to use a photo, please credit the photographer and
news source. Example: Photo by Tita Parham, e-Review Florida United Methodist
News Service.
Photo Primer
This information is intended to help users of the e-Review Florida United
Methodist News Service (e-Review) photos via the Internet and/or those who are
new to digital imaging.
Photographs are provided on this page primarily to serve publications using
e-Review stories, typically conference newspapers. You may also find them useful
in other outlets, like newsletters, or simply to view with your web browser.
When the page for a story with a photograph is loaded, the text of the story
is displayed along with a thumbnail (small) image of the photograph and a
caption. Click on the photo to be directed to the high-resolution (full-size)
version of the photo.
The thumbnail views displayed with stories and on the "Photo Gallery" pages
are not suitable for printing. Please be sure you have loaded the full-sized
version in your browser before saving the file to print.
* A word about pixels
* How many pixels do you need?
* So, how many pixels are in these pictures?
* Getting these pictures from our computer to yours
* A word about file formats
A word about pixels.
Digital photographs are made up of pixels (short for picture elements). You
don’t really need to know a lot about pixels in order to use these photographs,
but you do need to make sure you have enough pixels for the intended final use
of each image.
The term “resolution” is often used to refer to how many pixels a digital
photo contains. The resolution of a digital image is most accurately expressed
as being so many pixels wide by so many pixels high, for example, 640 x 480
pixels.
The terms “pixels per inch” (ppi) and “dots per inch” (dpi) are also often
used to describe resolution. A term like “200 ppi” tells you nothing about
resolution when used by itself, however. Because pixels have no physical
dimensions until they are output somewhere (i.e., computer monitor, laser
printer), resolution expressed as “pixels per inch” needs to be accompanied by
how many inches wide or high the physical output will be, for example, 200
pixels per inch at 10 inches wide.
An image can be 200 ppi by one inch wide for 200 pixels, or 200 ppi by 10
inches wide for 2000 pixels. As you can see, there are 10 times more pixels
across the width of the larger image, yet both are “200 ppi.”
How many pixels do you need?
Pictures that will be used only for computer monitor display, such as those
on a web page, and not intended for print publication, are typically displayed
at 72 or 96 pixels per inch. So a photograph that will be two inches wide on a
monitor screen needs to be 144 or 192 pixels wide.
Pictures that will be reproduced on a printed page use a process called
halftoning to simulate shades of gray or colors with spots of single-color inks.
Halftoned pictures have what is known as a screen frequency that tells how close
together the spots of ink will be, measured in lines per inch (lpi).
Different printed outputs require different halftone screen frequencies.
Newsletters intended for photocopying typically use 53 lpi, newspapers 85 lpi
and magazines or brochures printed on coated paper 133 lpi or greater. This
screen frequency is important because it helps determine how many pixels you
need in your image.
A generally accepted rule of thumb is that you need 1.5 - 2 pixels per
halftone dot. So a picture that will be printed 10 inches wide in a newspaper
needs to be about 1280 - 1700 pixels wide (85 lpi x 2 pixels per halftone dot x
10” wide = 1700 pixels wide).
A picture that will be used four inches wide in a photocopied newsletter
needs to be about 318 - 424 pixels wide (53 lpi x 2 pixels per halftone dot x 4”
wide = 424 pixels wide).
In dealing with digital photos, it’s always better to have too many pixels
than too few. You can throw away pixels from an image that has too many
virtually without penalty. Adding pixels just increases file size and doesn’t
add detail.
A sure sign that a picture has been reproduced without enough pixels is the
appearance of stair-stepped edges or “jaggies,” especially along straight line
areas where two different colors or tones meet.
So, how many pixels are in these pictures?
The full-size pictures on our page are typically 1700 - 2000 pixels in the
long dimension of the photo (2000 pixels wide for a horizontal, 2000 pixels high
for a vertical). Click on a thumbnail photo to obtain a full-size photo.
Getting the pictures from our computer to yours.
Click on the thumbnail photo that you want to download. When it finishes
loading, a larger picture will appear on your screen. It will be much larger
than the screen itself, forcing you to use the scroll bars on your browser if
you want to see it all. (Remember, you need a lot more pixels to print a picture
than to simply view it.)
Note: If you click on a picture and don’t get a large picture
that means we only have a low resolution photo good for posting on a Web site or
adding to a video or PowerPoint presentation, but should not be used in any
print publication.
Select “Save as...” from the file menu. Select a destination on your hard
drive for the photo. Select “Source” from the “Format” sub-menu, if applicable.
You may choose to rename the photo or let it default to our file name. Make sure
the file extension “.jpg” is appended to the end of the file name (more on this
below). So your new file name might be something like “photo1.jpg.”
A word about file formats
Our photos are provided in the JPEG file format, which uses the file
extension “.jpg.” This is a compressed format that allows much quicker transfer
of images via modem than an uncompressed format. Our 2000 pixel wide photos
contain 7 - 9 megabytes (MB) of information before compression. When saved in
the JPEG format, they take up 350 - 750 kilobytes (k) of space. Each of the JPEG
files is small enough to fit on a single floppy disk.
This compression does not come without price, however. JPEG uses what’s
called a “lossy” compression scheme. This means that some information is lost
when the file is reopened after compression. Most of the loss occurs in areas
that are not visible, especially when the final output is to be on newsprint.
Most of the photos you see in daily newspapers around the country have been
saved in the JPEG format.
We recommend you convert the downloaded JPEG file to an uncompressed format
before doing any further work with the image. Repeated opening, editing and
saving of an image in JPEG format will cause image degradation.
Many newspapers and other publications are put together using page layout
software such as QuarkXPress or Adobe PageMaker. These programs work best with
photographs in the TIFF format (extension .tif). TIFF in an uncompressed file
format that is supported by almost every application that uses image files.
You’ll need some kind of image editing software (like Adobe Photoshop) to
change between formats. Simply open the photo in JPEG format, choose “Save
as...” and select TIFF format. You’ll need to change the extension from “.jpg”
to “.tif,” as well, if your software doesn’t do it for you.
We hope this information has been helpful to you. If you have any further
questions, please contact us by e-mail
Tparham@flumc.org.
This text was created by Mike Dubose, Photojournalist with United Methodist
News Service. It is used with permission.