Lenses Guide
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Lenses Guide
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Author : Margaret Brown
language : en
Publisher: Media Publishing
Release Date : 2016-07-21
Lenses Guide written by Margaret Brown and has been published by Media Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-07-21 with Computers categories.
Deciding what lens to buy is complex: What are the ‘pros and cons’ of choosing a zoom lens over a series of single focal length (prime) lenses? Is a long zoom lens a better choice than two shorter zooms? Is it worth paying more for a lens with a wider maximum aperture? Can third-party lenses be a good choice? How about lens adaptors and teleconverters? Lenses Guide outlines some of the technological basics of today’s lenses – the varying mounts and formats, image stabilisation and focusing systems, image sensor size – and their impact on lens performance. It then looks at various categories of lenses: standard kit lenses; telephoto kit lenses; and ‘all-in-one’ extended zoom lenses. This is followed by a series of chapters exploring lenses and different types of photography – landscapes, portraiture, sports and wildlife, and macro photography – along with techniques to improve picture-taking. With lenses at anything from $300 to $3000 and beyond, this guide might be the best lens investment you ever make!
The Lens
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Author : NK Guy
language : en
Publisher: Rocky Nook, Inc.
Release Date : 2012-10-08
The Lens written by NK Guy and has been published by Rocky Nook, Inc. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-10-08 with Photography categories.
Which lens should I buy for my camera? It's such a simple question, but choosing the right lens or lenses is actually one of the most important photographic decisions you can make. Nothing affects the quality of a photo more than the lens. It's no longer just about the megapixels-it's the glass that makes all the difference! Many first-time buyers of DSLRs don't venture past the basic lens included in the box. While some are reluctant to spend more money, others are confused by all the buzzwords or are overwhelmed by all the choices out there. It's really a shame, because interchangeable lenses give you amazing scope for quality photography. Take in vast sweeping scenes with a wide angle lens. Capture faraway birds with a telephoto lens. Examine the tiniest detail of a flower with a macro lens. Record the perfect portrait with a prime lens. Anything is possible when you choose the right lens for the job! This book isn't a simple catalogue of available lenses. New products are coming out all the time, and comparing specific lenses can be difficult. Instead, author N.K. Guy gives you all the information you need to make smart buying decisions. Optical technology is demystified, arcane terminology is decoded, and practical tips are provided. The Lens will help you build the perfect lens collection to suit your needs-now and in the future.
Contact Lens Fitting Guide
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Author : Ajay Kumar Bhootra
language : en
Publisher: JP Medical Ltd
Release Date : 2014-01-30
Contact Lens Fitting Guide written by Ajay Kumar Bhootra and has been published by JP Medical Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-01-30 with Medical categories.
This book is a concise guide to contact lens fitting for optometrists and trainees. Beginning with an introduction to contact lenses and the pre-contact lens fitting eye examination, making sure a patient is suitable for wearing contact lenses, the following chapters describe the fitting of different types of corrective lens – soft, toric and rigid gas permeable. Separate chapters examine the use of therapeutic contact lenses, used to protect the eye whilst it heals after injury or infection, rather than to correct vision; and lenses for presbyopia, age-related long-sightedness. Key points Concise guide to contact lens fitting for optometrists and trainees Detailed discussion on pre-contact lens fitting eye exam and patient suitability Describes various types of corrective lenses Includes chapters on therapeutic lenses and contact lenses for presbyopia
The Contact Lens Manual E Book
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Author : Andrew Gasson
language : en
Publisher: Elsevier Health Sciences
Release Date : 2010-07-08
The Contact Lens Manual E Book written by Andrew Gasson and has been published by Elsevier Health Sciences this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-07-08 with Medical categories.
The Contact Lens Manual continues to meet the needs of a new generation of optometrists, dispensing opticians, contact lens practitioners and students who require clear and reliable information for fitting a complete range of contact lenses. The fourth edition of this best-selling classic, now in full colour throughout, provides the most up-to-date guidance in all aspects of today’s lenses in a practical and easy to use manual. Featuring new developments in lens types, care regimes and current practices, this manual offers a complete package to help readers expand their lens knowledge, improve fitting and optimise patient care. The authors use a down-to-earth practical approach to distil years of experience into one handy volume. A bullet point style makes the information easily accessible. Key information is presented so it can be quickly located. Practical tips, clinical pearls, helpful advice, and warnings are presented in boxes so readers can see at a glance what to do. Features updates to all chapters and lens types with a wealth of new information on silicone hydrogels, toric soft lenses, rigid gas-permeable fitting and patient after care. Presents a new chapter on dry eyes with expert guidance on treatment and practical management advice. Includes an expanded illustration programme and page design with full colour throughout including colour-coded sections and boxes to highlight key information for easier learning.
Lens Design
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Author : Haiyin Sun
language : en
Publisher: CRC Press
Release Date : 2016-12-19
Lens Design written by Haiyin Sun and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-12-19 with Science categories.
A Practical Guide to Lens Design focuses on the very detailed practical process of lens design. Every step from setup specifications to finalizing the design for production is discussed in a straight forward, tangible way. Design examples of several widely used modern lenses are provided. Optics basics are introduced and basic functions of Zemax are described. Zemax will be used throughout the book.
Fitting Guide For Rigid And Soft Contact Lenses
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Author : Harold Aaron Stein
language : en
Publisher:
Release Date : 2002
Fitting Guide For Rigid And Soft Contact Lenses written by Harold Aaron Stein and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Medical categories.
Updated and revised, the 4th Edition of this reader-friendly reference presents straightforward guidelines for proper contact lens fitting. Covering today's full range of contact lens types, it also explores how to manage some of the major complications of contact lens wear. Devoid of extraneous optical theory, it focuses on the "hands-on" information that readers need to know in order to provide complete well-eye care. Uses a reader-friendly, easy-to-understand writing style that makes correct fitting techniques easy to understand and apply. Includes tips on unusual fitting procedures, such as toric fitting and bifocal fitting. Contains guidance on advanced fitting techniques for keratoconus, toric lenses, and tinted contact lenses. Offers valuable appendices of conversion tables, compensation values, drugs commonly used in ophthalmology, and more. Covers all the latest topics, including refractive surgery and the use of contact lenses, bifocal contact lenses, disposable contact lenses, and the newest rigid gas-permeable lenses. Contains a wealth of new chapters addressing corneal topography, contact lens wear and ocular allergy, AIDS and contact lenses, and other timely subjects. Includes a wealth of new illustrations that demonstrate key principles and techniques. Features a new co-editor, Dr. Melvin Freeman--past president of the Contact Lens Association of Ophthalmologists. Presents a new appendix that translates commonly asked questions and instructions into more than 12 different languages, facilitating communication with non-English-speaking patients.
Smart Guide For Cameras And Lenses
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Author : Enche Tjin
language : id
Publisher: Elex Media Komputindo
Release Date : 2014-09-16
Smart Guide For Cameras And Lenses written by Enche Tjin and has been published by Elex Media Komputindo this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-09-16 with Photography categories.
Untuk memenuhi banyak keingintahuan para pembaca bagaimana memilih kamera dan lensa yang tepat bagi mereka, inilah alasan kenapa buku ini dibuat. Ini karena memang memilih kamera dan lensa itu cukup rumit. Sekilas, semua kamera dan lensa terlihat sama, tapi kalau kita perhatikan lebih saksama, terdapat banyak perbedaan antara merek dan model. Selain itu, harga kamera dan lensa lumayan tinggi. Sebagian besar dari pembaca menabung berbulan-bulan atau bahkan bertahun-tahun untuk membeli sebuah kamera dan lensa. Sangat disayangkan jika kita salah membeli kamera, lensa, dan aksesori lainnya. Buku ini akan memberikan pedoman pintar sebelum akhirnya memilih kamera dan lensa dengan lebih dulu: Memahami sistem kamera dan lensa. Pedoman singkat tentang genre fotografi yang diminati. Tip dan rekomendasi peralatan fotografi untuk jenis fotografi yang diminati. Membahas tentang beberapa fitur canggih yang ada di berbagai kamera digital saat ini seperti GPS, timelapse, wifi, dan sebagainya.
Field Guide To Lens Design
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Author : Julie L. Bentley
language : en
Publisher:
Release Date : 2012
Field Guide To Lens Design written by Julie L. Bentley and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Lenses categories.
The process of designing lenses is both an art and a science. While advances in the field over the past two centuries have done much to transform it from the former category to the latter, much of the lens design process remains encapsulated in the experience and knowledge of industry veterans. This SPIE Field Guide provides a working reference for practicing physicists, engineers, and scientists for deciphering the nuances of basic lens design.
Identifying Leica Lenses
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Author : Ghester Sartorius
language : en
Publisher:
Release Date : 1999
Identifying Leica Lenses written by Ghester Sartorius and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Leica camera categories.
Great for collectors to take to auctions/camera shows, this comprehensive pocket guide identifies every Leica lens and lists its comparative value.
Tony Northrup S Photography Buying Guide
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Author : Tony Northrup
language : en
Publisher: Tony Northrup
Release Date : 2014-11-26
Tony Northrup S Photography Buying Guide written by Tony Northrup and has been published by Tony Northrup this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-11-26 with Photography categories.
If you're a beginner photographer, this book can save you hundreds of dollars. If you're a seasoned pro, it can save you thousands. With access to over 16 HOURS of online video, this book helps you choose the best equipment for your budget and style of photography. In this book, award-winning author and photographer Tony Northrup explains explains what all your camera, flash, lens, and tripod features do, as well as which are worth paying for and which you can simply skip. Tony provides information specific to your style of photography, whether you're a casual photographer or you're serious about portraits, landscapes, sports, wildlife, weddings, or even macro. For the casual reader, Tony provides quick recommendations to allow you to get the best gear for your budget, without spending days researching. If you love camera gear, you'll be able to dive into 200 pages of detailed information covering Nikon, Canon, Sony, Micro Four-Thirds, Olympus, Samsung, Leica, Mamiya, Hasselblad, Fuji, Pentax, Tamron, Sigma, Yongnuo, PocketWizard, Phottix, Pixel King, and many other manufacturers. Camera technology changes fast, and this book keeps up. Tony updates this book several times per year, and buying the book gives you a lifetime subscription to the updated content. You'll always have an up-to-date reference on camera gear right at your fingertips. Here are just some of the topics covered in the book: What should my first camera be?Which lens should I buy?Should I buy Canon, Nikon, or Sony?Is a mirrorless camera or a DSLR better for me?Do I need a full frame camera?Is it safe to buy generic lenses and flashes?What's the best landscape photography gear?Which portrait lens and flash should I buy?What gear do I need to photograph a wedding?How can I get great wildlife shots on a budget?Which sports photography equipment should I purchase?Should I buy zooms or primes?Is image stabilization worth the extra cost?Which type of tripod should I buy?Which wireless flash system is the best for my budget?How can I save money by buying used?What kind of computer should I get for photo editing?What studio lighting equipment should I buy?When you buy this book, you'll be able to immediately read the book online. You'll also be able to download it in PDF, .mobi, and .epub formats--every popular format for your computer, tablet, smartphone, or eReader!