_This image was shot on a APS-C -sensor at a focal length of 35mm. _ 1 Normal is Relative The main job of a lens is to concentrate (focus) light rays so the film or digital sensor can record the scene ...

Photo: Abby Ferguson As you start to shop for lenses, you'll come across the terms "prime" and "zoom." But as with most gear decisions, understanding what those are, what their impact is and what you ...

Here’s a comparison of a 24mm lens (roughly the same as a smartphone camera) and a 50mm lens, which is what photographers typically refer to as a “normal” lens. Stan Horaczek ...

Choose a lens shorter than the normal and you are deliberately choosing to expand the space, to make things grander, to enhance perspective and push planes apart. Select a lens longer than the normal ...

For example, a 50mm lens on a full-frame camera gives a normal view, but on an APS-C camera it offers a more zoomed-in view, equivalent to the one a 75mm lens would give on full-frame.

Camera lenses that carry a range of focal lengths (for example, 18-200mm) can go from telephoto to wide-angle, so are considered zoom lenses. Perspective ...

Alternatives to the cheap f/1.8 lens are an even faster one, f/1.4 ($300 to $500), or a 30mm or 35mm that gives entry-level cameras more of a “normal”—what your eye can see—perspective.