During the final competition of the individual all-around gymnastics (won by Gabby Douglas) I noticed a photographer (if memory doesn't fail me, he was placed behind the russian team) with a very ...
What are they and what are they used for? And how are they different from regular SLR or DLSR cameras?
I've been reading about Hasselblad, Mamiya (medium format) and Sinar (large format), both offer lots and lots of megapixels and the frame format. On the other hand, I've been learning about concepts ...