A fisheye lens is designed for shooting very wide angles, usually 180 degrees. They are popular in landscape, extreme sport, and artistic photography. A fisheye lens, also known as an “ultra wide” or “super wide” lens, is a type of wide angle lens which can capture an extremely wide image,Read More →
You can recognize EF lenses by its red dot, where you line up the dot on the lens mount to a similar looking one on the camera body. However, if your Canon camera lens has both a red dot and a white square to line up the body to whenRead More →
1.59 Index — Polycarbonate Lens Polycarbonate lenses are the most durable and impact-resistant lenses in our catalog, and come with a 100% UV- protective coating. If you are looking for glasses for children, or tend to spend your time outdoors, we strongly recommend these lenses. Do glasses use convex orRead More →
Even though macro lenses are optimized for close-up photography, they can certainly be used as “regular” lenses with excellent results. What can I shoot with a macro lens? The most important piece of equipment for macro photography is a good macro lens. A macro lens is specifically designed to focusRead More →
People who have higher order refractive errors, usually +4.00 diopters or more, benefit the most from aspherical lenses. Reading glasses and contact lenses are also being manufactured with this type of lens, so more people can benefit from clearer vision. What is the purpose of aspheric lens? In photography, aRead More →
Convex lenses are used in microscopes, magnifying glasses and eyeglasses. They are also used in the cameras to create real images of objects present at a distance. Is Biconvex lens used in magnifying glass? False. Hint: Convex lenses are the converging lens. The magnifying glass is a convex lens whichRead More →
A high-quality pair of lenses will block out 100% of UV rays, offer lasting durability, and provide perfect optical clarity. … At ZEISS, they have put over a century’s worth of visual experience and innovation into everything they create and take pride in staying on the leading edge of opticalRead More →
Rays from a distant object need to be spread out, before they reach the lens. Short sight is corrected using a diverging lens which diverges the light rays from a distant object before they enter the eye. What does a diverging lens do? A diverging lens is a lens thatRead More →
What Is Corneal Staining? Corneal staining isn’t a disease, it’s a sign of abrasions to your cornea, the outer surface tissue of your eyes. Abrasions can have different causes, including wearing contact lenses or if something gets stuck in or scratches your eye. What does fluorescein stain in the eye?Read More →
Lenses used to correct nearsightedness are concave in shape. In other words, they are thinnest at the center and thicker at the edge. These lenses are called “minus power lenses” (or “minus lenses”) because they reduce the focusing power of the eye. Which type of lens can be used toRead More →