How can I transfer picture from my Nikon Camera to my iPhone?

[Ian]

I have the L310 (Nikon). I already know how to transfer the pictures to my computer. But I have problems doing it with my phone. I have the iPhone 4S. And I've already tried emailing the pictures to my phone. But the email says that the file is too big, and I know it is, and I don't want to compress the file, having the quality of it, go down. Is there any other way I can put them on my phone WITHOUT email? I can think of nothing. It'd be great because then I'd be able to put them on Instagram.

[Jim A]

There are several compression programs around. One of the best and easiest is free. It's from
Fast Stone called the re-sizer. Just search Fast Stone.

[selina_555]

You don't HAVE to compress it.

To transfer photos onto your phone, set up a folder on your computer named "iPhone photos".
Now put the photos into that folder, as well as all other photos you want to have on your phone.
Plug in your phone, open iTunes, go to your device, then to photos.
Tell iTunes to synchronize your photos with the iPhone photos folder.

Note: You must make sure to back up any photos you have on your phone first, because once you synchronize with that folder, the others will be gone. In future, just make sure that all your photos that you want on your phone will go into that special folder.