Readers used to think of images as static elements, and therefore it is important to choose the right icon to indicate an action. There are 5 types of slideshow buttons.
1. The most common type of slideshow icon is left and right arrows:
2. The second type is a modification of the first one: arrows plus the number of the image .
3. Tap to the button to see the next image:
4. Tap to the button to see the next image plus the number of the image. I prefer this type to the 3rd one, because these icons show readers exact the number of pictures unlike the 3rd type where the number of frames on the icon doesn’t match the number of pictures.
5. Swipe to see the next image:
Most of the time, a camera symbol means photo pop-ups or changing the images.
The alternative for a camera could be
Usually a camera is not a symbol readers associate with a slideshow or galleries, yet slight modification could turn a pop-up into a slideshow icon:
Check my other posts about interactive features and have a look at the Navigation Pages:
Designing an Interactive Magazine. Icons
Designing an Interactive Magazine. Scrollable Frames
Designing an Interactive Magazine. Multimedia
Designing an Interactive Magazine. Pagination
Designing an Interactive Magazine. Pop-ups