A beginners guide to learning about your dslr camera, lens. Fortunately, these are fairly easy to understand, and knowing what they mean can help you to make the right choice when it comes to adding a new piece of glass to your kit bag. The complete guide to canons lens terms digital camera. She has written widely on topics related to literacy achievement and is an active presenter at national, state, and local conferences. Popular critical lens books showing 8 of 38 this changes everything. Be the first to ask a question about tony northrups photography buying guide lists with this book. Chapter 16 camera lenses ellis betensky opcon associates, inc.
Lenses focus the light entering the camera, the size of the aperture can be. Lens names often include long lists of letters and numbers, which. Digital slr cameras and photography for dummies by david d. Aside from this startling and, to film lens owners, dispiriting factor, the book ploughs through a lot of basic and advanced detail which should enliven the experienced photographers knowledge base and educate the newbies.
Understanding camera lenses can help add more creative control to digital photography. A lens optical center is the point usually though not always within a lens, at which the rays of light from two different sources entering the lens are assumed to cross. Naomi klein shelved 1 time as criticallens avg rating 4. Each ef electro focus lens is identified by a series of codes which provides important information about its unique characteristics. It focuses on the fundamentals and proposes a unique model for understanding photography as a. Understanding dslr lenses will painlessly provide help and insight into the often confusing and intimidating world of dslr camera lenses. My name is phil monson, and welcome to my course, camera lens fundamentals. Learn about camera lenses one of the biggest reasons people buy a more advanced camera is to have the option of changing lenses, or selecting a lens that helps their photography. Learn about camera lenses a guide the digital process. When it comes to lenses, on a full frame camera, a 50mm lens roughly reproduces the angle of view that we have with our eyes. An illustrated guidebook finely focused photography books al judge on. The focal length and sensor size determines the lens field of view. Shorter focal length lenses provide a wider field of view but offer less magnification.
That means that a lens thats shorter than 50mm will produce images with a wider view and images that are longer than 50mm will have a narrower view. The lens of human understanding sources of insight. Take a leaf through understanding exposure, and youll discover more. Tracey, edd, is professor of education at kean university, where she teaches graduate classes to students planning to become reading specialists. I am due to begin an introductory course in photography in april, which deals with film photography and darkroom. Fixed aperture lenses on the other hand, the aperture value never changes unless you change it in camera or manually change it on your lens. As you get to know your lenses, and understand the effect of focal length and aperture on the. Choosing the right lens for the task can become a complex tradeoff between cost, size, weight, lens speed and image quality. All but the simplest cameras contain lenses which are actually comprised of several. A camera is an optical instrument used to record images. Awardwinning author and photographer tony northrup has published more than 30 howto books and sold more than a million.
Lenses are one of the most important components in cameras. Combining older material which have been polished and streamlined, with lots of new material and trawling the tangents blog for the best material. Rick kirschner write about an organizing framework for understanding and dealing with difficult behaviors. Lenses are arguably the most important part of your camera setup, they make or break your pictures. Various reference books on nikon cameras and nikkor lenses. Lenses with 4050 mm focal length have a similar perspective as the human eye and are called normal lenses.
The ability to change lenses is one of the greatest strengths of the dslr camera but lens selection requires some insight. Lens focal length tells us the angle of viewhow much of the scene will be capturedand the magnificationhow large individual elements will be. Lenses, at the same time, are still labelled for 35mm film cameras, unless you buy a digitalspecific lens. Topics covered include zoom lenses, prime lenses, wide angle, mid. I dont generally actually mind taking things as read, but if i have the luxury of finding out why, then id go for it. A camera lens is a combination of different types of glasses concave, convex, concavoconvex, etc, arranged in different groups to give the sharpness of content across the image. Join konrad eek for an indepth discussion in this video understanding lenses and film cameras, part of analog photography. Introduction to the different types of camera lenses.
If at first you dont understand this book, keep reading it until you do, because. Photography for beginers canadian nature photographer. The lens of human understanding is a simple way to look at behaviors. Even if the focal lengths of the lenses of two digital cameras are the same, the angle of view can vary depending on the size of the image sensor used in each. The book explains how and why each new lens type was developed. Camera news newspapers books scholar jstor april 2019 learn how and when to remove this template message. Read, highlight, and take notes, across web, tablet, and phone. Finely focused photography books is a new series of books from al judge for people who prefer to study.
It is a book that every photographer interested in lenses and optical theory should immediately add to his or her collection, whether they are a leica owner or not. Contains hundreds of black and white images and illustrations. Flare from the manual of photography jacobson et al. Picking out a lens for a 35mm film camera was simple because 35mm lenses capture images as you see them. This is the third book of the finely focused photography b. A short lens, such as a 20mm, 24mm, or a 28mm, are focal lengths for wideangle lenses that take wideangle photos. In this guide well lead you stepbystep through the process of understanding the different kinds of lenses, and choosing the right one for your needs. The perennial dslr bestsellernow expanded with more photography tips. The premise of lenswork is that photography is more than mere craft. Intended for professionals and serious amateur photographers as well as lens designers and. Because the aperture value can change as you zoom in and out, these lenses tend to be more difficult to learn with as a beginner photographer. Understanding camera lenses understanding camera lenses can help add more creative control to digital photography. I dont need the lenses, just the books, and my supplier stopped making them.
If you have a kindle, epub reader or one of the other popular ereader devices, all our books are available as downloadable epublications that save paper and are less than half the price of paperbased books. I am looking for few new lens tint books, the kind you show patients how each type of tint looks. The problem with books questions is that its subjective from person to. Larger lenses need a stand for the lens, not the camera. Join ben long for an indepth discussion in this video, understanding lenses, part of introduction to photography. As you focus your lens of understanding on human behavior, first observe the level of assertiveness. They control the image thats projected onto your imaging sensor, and ultimately what photos you. The smaller the focal length, the more of your subject youll be able to capture in a photograph.
This is the third book of the finely focused photography books series by al judge. Even though the image making happens inside the camera body and on the film itself, the lens is what handles the light and determines the quality of the resulting image. Beyond cameras and equipment, beyond film and chemistry, beyond pixels and technology lie the mysteries of the creative life shared by those who strive to communicate and express themselves clearly fine art photographers, commercial photographers. The leica lens compendium by irwin puts, published by hove books, is one of the most valuable photographic books that i have added to my library in recent years. Not only provide buying options but also a better understanding of gears lenses flashes and much more. Camera lenses are one of the most important ingredients in a photography formula. Camera lens terms explained for beginner photographers. Book 3 of 9 in the finely focused photography books series. A lot of kit lenses seem to be variable aperture lenses.
Now in its fifth edition, itcovers the latest technologies in the world of dslr cameras and photography to help you master the techniques that will take your digital photography. Thanks, guys, i will take a look at all your suggestions when i get home tonight. Lenses are categorized based on their focal length. The lens is generally the most expensive and least understood part of any camera.
Any other suggestions on how to show lens tints in a way that looks profesional. Thats why wideangle lenses have focal lengths ranging from 1030mm. Looking at the lens pages on manufacturers websites can be a little intimidating for a new user. If youre willing to spend hundreds of dollars on a new camera or lens, you owe. At 35,000 words the maximum the publisher would allow me, this is a concise introduction to oncamera flash. How to bring out the best in people at their worst, dr. Skipping many technical caveats, focal length is basically the distance between the lens and the sensor in the camera body when the subject is in focus. Cameras and lenses for use in camera scanning the dam book. With two expert editors and 100 firstrate contributors, the book presents practitioners and students in optometry and ophthalmology with key facts on corneal anatomy, recent research, contact lens design, patient evaluation, clinical applications, patient education, and. Fountain press is a very good reference book on various mfaf nikon cameras and nikkor lenses. Notice that there is a wide range from passive to aggressive, and most people find their own comfort zone within that range. Canon tends to name its lenses with many terms that might initially baffle those new to its eos system.
This lens has variable focal lengths, fewer lenses to carry. The books describes a method to rapidly scan photographic prints and negatives using a digital camera. Lenses that fit between the camera body and the master lens to deliver focal length magnification. If i already have some books on optics and electronics, i have found fairly hard to find good resource for these fields taking photography as a basis, with examples taken from photography and chapters dedicated to lenses optics for instance. This comprehensive text and reference addresses the full scope of contemporary contact lens science and practice. The longer the focal length, the narrower the angle of view and the higher the magnification. And now we are also making all our textonly books available in nonpaper publishing for the various ereaders, too.
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