Photographers share millions of their images every day on social media. There are so many photos floating around on Instagram, Facebook and other sites, it may seem impossible to get your photos to stand out, so they get the "likes" they deserve.

Streamlining the photographic workflow tops the list for most digital photographers, whether professional or hobbyist. After all, you put a great deal of time and effort into capturing that perfect shot - the concept, the subject, the location, the lighting –  so the last thing you want to do is spend tons of time having to recreate that perfect image just because you used different lenses when shooting, or you needed to make significant color adjustments to suit your monitor (or several monitors!) not to mention more tweaking when it comes to your printer and other output devices.

Sigma just announced the new Sigma 35mm F1.2 DG DN Art and 14-24mm F2.8 DG DN Art lenses and the 45mm F2.8 DG DN Contemporary lens.

What do I do with my hands? That's a common question asked by novice models but, as a photographer, do you know how to answer it? In the below, portrait expert Miquel Quiles offers some sage advice on hand poses that he learned through experience.