Sometimes it was my thumb hitting the AF button on the back of the Pentax K-7, other times it was my finger on the actual shutter release button. I had to make some adjustments to how I held the K-7; those who use a camera strap won't have this trouble. When you first try to...
Pentax has today announced the five megapixel Optio 550 and four megapixel Optio 450. Both cameras are based on the same modern and stylish aluminium alloy case and both feature an impressive five times optical zoom lens, this places the 550 in particular into a pretty special position of hav...