Amazon Product Advertising API Developer's Manual page 240

Product Advertising API Developer Guide
<MediumImage>
<URL>http://ecx.images-amazon.com/images/I/51YL4rlI%2B9L._SL160_.jpg</URL>
<Height Units="pixels">160</Height>
<Width Units="pixels">124</Width>
</MediumImage>
<LargeImage>
<URL>http://ecx.images-amazon.com/images/I/51YL4rlI%2B9L.jpg</URL>
<Height Units="pixels">500</Height>
<Width Units="pixels">389</Width>
</LargeImage>
<ImageSets>
<ImageSet Category="primary">
<SwatchImage>
<URL>http://ecx.images-amazon.com/images/I/51YL4rlI%2B9L._SL30_.jpg</URL>
<Height Units="pixels">30</Height>
<Width Units="pixels">23</Width>
</SwatchImage>
<SmallImage>
<URL>http://ecx.images-amazon.com/images/I/51YL4rlI%2B9L._SL75_.jpg</URL>
<Height Units="pixels">75</Height>
<Width Units="pixels">58</Width>
</SmallImage>
<ThumbnailImage>
<URL>http://ecx.images-amazon.com/images/I/51YL4rlI%2B9L._SL75_.jpg</URL>
<Height Units="pixels">75</Height>
<Width Units="pixels">58</Width>
</ThumbnailImage>
<TinyImage>
<URL>http://ecx.images-amazon.com/images/I/51YL4rlI%2B9L._SL110_.jpg</URL>
<Height Units="pixels">110</Height>
<Width Units="pixels">86</Width>
</TinyImage>
<MediumImage>
<URL>http://ecx.images-amazon.com/images/I/51YL4rlI%2B9L._SL160_.jpg</URL>
<Height Units="pixels">160</Height>
<Width Units="pixels">124</Width>
</MediumImage>
<LargeImage>
<URL>http://ecx.images-amazon.com/images/I/51YL4rlI%2B9L.jpg</URL>
<Height Units="pixels">500</Height>
<Width Units="pixels">389</Width>
</LargeImage>
</ImageSet>
</ImageSets>
The images are returned in two ways: under <Item> and under <ImageSets>. The images under under
<Item> are specified by the <SmallImage> , <MediumImage> , and <LargeImage> elements.
The sizes of the images under <ImageSets> are specified by the _SLXXX_ suffix in the URL, where XXX
is the number of pixels on the longest side of the image. A medium size image, for example, has 160
pixels on its longest side so it has the suffix _SL160_. This is the preferred way to reference images.
The ImageSets element attribute, Category, is set to Primary. Primary images are the same images that
appear in the <Item> section.
Images Response Group
API Version 2011-08-01
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