Entries tagged with “aperture” from O'Reilly Digital Media Blog

I just loved reading Steve Simon's latest post about the abuses of Photoshop. Switching heads and adding fake moons has irritated me for years. So much so, that I've tried to swear off Photoshop many times. Then I started playing with the beta versions of the upcoming version of Photoshop CS4, and I fell in love all over again. Why?...

I shot these two photos of a dahlia to illustrate the impact of aperture on depth of field. The photo immediately below, with a large aperture of f/4, has minimal depth of field, while the photo far below with a small aperture of f/32 has much more depth of field. The flower is in focus in both photos. In the...