Is it compatible? Macro lenses, often used for focussing on finite detail in very small objects, are usually high quality lenses that are well manufactured. Standard Zoom. Macro Lenses. Standard zooms are probably my second most used lens type. Free with all frames Find out more. Faster lenses with some type of stabilization are best. I currently use the 24-105mm from Sony and it is a gem of a lens! The different types of lenses. The simplest form of spectacle or contact lens is the single-vision lens, made to a single prescription to correct a particular eyesight problem. Look for stats such as f/2.8 or similar with IS or OS. A convex lens is also called a converging lens because it makes parallel light rays passing through it bend inward and meet … In a convex lens (sometimes called a positive lens), the glass (or plastic) surfaces bulge outwards in the center giving the classic lentil-like shape. Convex lenses. Photo by Rodney Campbell; ISO 250, f/9.0, 1/400-second exposure. The lens capsule forms the outermost layer of the lens and the lens fibers form the bulk of the interior of the lens. This type of lens is used for fluorescence observation because the transmission ratio is ensured for ultra-violet light with a wavelength of about 340 nm. The cells of the lens epithelium, located between the lens capsule and the outermost layer of lens fibers, are found only on the anterior side of the lens. There are many different types of lenses and it can all get quite confusing when trying to find the right ones for your lifestyle requirements, to answer your needs and to correct your eyesight. The curvature of the lens, its thickness and weight will depend on the amount of long or short sight it’s designed to correct. These lenses have been used for decades and are the most popular type. Varifocals. The lens has three main parts: the lens capsule, the lens epithelium, and the lens fibers. But Medicare and most insurance companies do cover the cost of the most common IOL, the monofocal lens. When it comes to choosing your lens, you need to ensure that you are selecting a lens that will work with your camera. - Apochromatic lens Lenses designed to make the refractive indexes of three wavelengths (colors) of light the same, as with a semi-Apochromatic lens. In other words, to correct near-sightedness (myopia) or long-sightedness (hyperopia). Different Types of Lenses. There are two main types of lenses, known as convex (or converging) and concave (or diverging). Other options — such as multifocal, EDOF and accommodative IOLs — can also reduce the need for glasses or contact lenses. Not all IOL types are covered by insurance. Single focus lenses are usually for people that need their vision to be enhanced for everyday tasks such as driving or reading. Which artificial lens can you afford? These types of lenses are to correct the vision for people who have trouble seeing things that are close or far away. There are three different types of lenses for Canon consumer interchangeable lens cameras, these include EF, EF-S and EF-M.