The camera sees things differently than we do. Light conditions impact colour so much more than I was ever aware of before I needed photos that are true to the colour of a specific yarn. When I worked in my LYS we had a problem pattern. I was told to let customers know when they tried to buy the yarn that it didn't come in that colour. The photo was incorrect with respect to the true colour, changing a beige yarn to pale green.
Once a friend was showing me wedding photos of what I thought were coloured blocked bridesmaid dresses. She mentioned that the colour difference was only visible in the photos. The dresses were made from velvet and chiffon that reflected light back to the camera differently.
Take a look at the photos below. I heard Melisa Joan Hart mention on a talk show that the white mark on her forehead was not visible to anyone except the camera.
I've also noticed that designs like the ones below with small textured stitches look great in the real world. The patterns sell more copies when knitters see the garments but get less notice and fewer positive comments when viewed in photos. I have other patterns which I notice the photos sell more copies than the samples do.
My hands are not really this big, they are just closer to the lens in the first photo.
Humm.. how do I say this, I occasionally have a similar problem with another part of my body that protrudes forward. I discovered this effect when we were taking photos at Christmas. I was wearing a cocktail dress that fits snugly around the torso. The shots where I was at an angle to the camera looked normal but the straight on photo looked very disproportionate.