If you are a owner of the photo, then you can enable and disable the access to the original photo in their settings. Flickr allows you to save the following photo sizes when you upload them such as Square 75 x 75 pixels, Square 150 x 150 pixels, Thumbnail 100 pixels, Small 240 pixels, Small 320 pixels, Medium 500 pixels, Medium 640 pixels, Medium 800 pixels*, Large 1024 pixels, Large 1600 pixels*, Large 2048 pixels* and Original size. If you want to access the original and full resolution photos in Flickr, then follow the steps given below.
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