The Right Sized Pictures for Email and the

Sending large pictures via email is simply discourteous. (See sidebar on email etiquette) Posting large photos on a Web page is counterproductive. Both bog down all uploads, downloads, and Internet navigation; tax your computer and network resources; and are generally very inconvenient. Luckily, reducing your photos to an appropriate size doesn't mean that image quality need be diminished.

Most pictures that are sent via email or posted on a Web page are intended to be viewed on computer monitors. (We will deal with sharing printable photos later in this chapter and in Chapter 20.) The resolution requirements for displaying photos on a monitor are far less than a printer's. In other words, a screen doesn't need nearly as much data to display a sharp, good-looking photo.

SIZING YOUR PHOTOS FOR EMAIL

Use the following guidelines to size your pictures for email:

For emailing photos to people who don't have a fast Internet connection (known in the industry as POTS, for plain old telephone service), try to keep your picture files (and other attached files) under 500K.

■ If you have verified that the recipient has a fast Internet connection, 1MB is the usual upper limit for the typical communication. However, be sure to first clear sending such a large file before attaching it to a memo. (See sidebar on email etiquette earlier in the chapter.)

SIZING YOUR PHOTOS FOR POSTING TO THE WEB

The rule of thumb for photos meant to be posted to (put onto) a Web site is that they should have the average resolution of a typical computer monitor (about 100 ppi) and have the physical dimensions (width and height) that you actually want it to use when it is displayed on the monitor. In other words, if you want to show a picture that is 3" x 5", you will want your photo to be precisely 3" x 5" at 100 ppi, or 3 x 100 x 5 x 100 x 3, or 450K. (Please note that the actual size of your viewed photo will depend on the size of the recipient's monitor and its display settings.)

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