Camera Lenses

Pentax spotting scopes are perfect for nature photography. They can get you closer to the action than any binoculars, and the image is clear and crisp. By using the PF-CA35 Pentax K-Mount SLR...

Nikon products are known the world over for their quality, and none more so than their lenses. Manufactured under the the name Nikkor, the lenses are produced by Nikon for their own cameras and...

Standard 35-mm lenses and digital lenses used to have the same optics and lens mounts. You could mount a 35-mm lens for a Pentax film camera on a Pentax digital camera. But manufacturers began to...

Whether you're shooting professionally or simply capturing your child's first birthday, it's important to know how to properly use your camera lens. Most single lens reflex (SLR) lenses function...

Can a Pentax lens be used on a Canon XSI camera, which has Canon's EF-S style bayonet mount? The short answer is no. The long answer is kind of, but at a compromise that probably renders it not...

The Canon 100mm lens is ideal for portraits because of the beautiful background blur it produces, its sharp optics and its medium-telephoto focusing range. Knowing how to mount, dismount and focus...

Pentax had several innovative ideas that translated into the 35mm single-lens reflex camera. One was the pentaprism that allowed the image to be right side up and correct left to right in the...

So you’ve purchased a DSLR camera, played around with its functions settings and controls and now you are ready upgrade your lens to unleash even more power to your creative camera shooting...

Camera lenses are interchangeable on an SLR, or single lens reflex, camera. With a variety of camera lenses available, a photographer can choose the way he wants his photographs to look simply by...