What do conversion lenses do

If you're coverting from 'old money' to new, divide by 1. A short introduction to the types of cameras available and a discussion on what you need to look out for when buying a camera. More of a 'why you need a tripod' than a buyers guide, but it does include some tips on buying and using a tripod. Table of Contents 1. What is Lens Conversion Factor? Bottom Line. Other tutorials in this section. Cameras A short introduction to the types of cameras available and a discussion on what you need to look out for when buying a camera.

Lenses What you need to know when choosing a new lens. This will make it all clear. Flashguns What you need to know before you go shopping. Attaching this lens to your current lens provides more magnification, and the increased telephoto creates a more intense, forceful image.

A wide-angle conversion lens expands the viewing angle. Use a wide-conversion lens to photograph expansive scenery or large groups of people, and capture the energy of the scene. Attaching this lens widens the viewing angle and gives the image a feeling of greater scale. Watch for F-stop changes! Two types of conversion lenses can be used. And you need to choose wisely, as the best teleconverters will not work well with all lenses and cameras.

At one time, they were sold as inexpensive gadgets that were widely compatible with different camera systems and lenses, but these days lens and camera designs are more complex, with sophisticated electronic data transfer and, sometimes with protruding rear lens elements.

There are few 'generic' teleconverters still on the market and these have to be chosen with care to match your lenses. But teleconverters have not disappeared. They have taken on a new role, mostly in long-range sports and wildlife photography. So what do you need to know when choosing a teleconverter for your DSLR or mirrorless camera system? Teleconverters come in three strength settings. They increase the focal length of the lens it is used with, so a mm becomes a mm — and a mm becomes a mm zoom.

So if you use a 1. This means that teleconverters work best with lenses that have a wide maximum aperture to start with. Cheat sheet: what are f-stops?