Nikon makes f/1.8 and f/1.4 versions as does Canon along with an f/1.2 version. The two biggest DSLR manufacturers, Nikon and Canon, both make several variations on the 50mm lens. The two lenses mentioned above (the 50mm and 24-70mm) are good examples of the rule breakers. Like many things in photography, there are exceptions to the rule. For the vast majority of zoom lenses, this is usually between f/3.5-5.6, depending on your focal length. Cheaper zoom lenses usually have a variable aperture in order to keep manufacturing costs low. Professional photographers will often pay extra for zoom lenses with a fixed aperture so they do not have to adjust their shutter speed or ISO when zooming in on a subject in order to maintain correct exposure (law of reciprocity). A fixed aperture means that a lens has a constant maximum aperture (e.g. Photo by 55Ohms. Nikon prime lens in front of Sigma zoom. In general, a prime lens will cost more than a zoom lens because of the fixed aperture and optically superior glass. Prime lenses also have a fixed aperture whereas zoom lenses often have variable apertures (more on that later). Prime lenses are usually higher quality because there are less moving parts and the superior glass quality results in sharper images. 50mm), whereas a zoom lens has a range (e.g. The first thing to understand about lenses is that there are two main types: prime (fixed) and zoom (range). But where to start? This guide will help you to learn how to choose the best camera lenses. You’ve invested in a camera, now it’s time to invest in some lenses. It’s also true a high quality lens will make a huge difference in the quality of your images. As your initial research has surely proven, investing in good glass is exactly that - an investment. Perhaps you just bought a new DSLR or maybe you’ve got the basics and you’re looking to expand your collection of lenses.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |