We find that ISO 8000 provides acceptable results if the subject occupies most of the sensor. When we display such a photo on our computer as a full-screen image, we do not think that image noise is a problem. However, if we plan to print an image as artwork at 24 × 36 inches or larger, we set the ISO to 100. It’s important to be able to manually s

At around $1,350, you can afford this lens, and if you shoot a lot of wide-angle images, you can’t afford not to have it.

It is impossible to record the entire three-dimensional structure with one photograph. To record the subject in its entirety, a combined mechanical and software approach is needed. You record several pictures at different focus points, which is known as a focus stack. After you capture enough optical sections, you use software to merge them and rec