7 Lenses

7 Lenses
Author: Linda Fisher Thornton
Publisher:
Total Pages: 176
Release: 2013-11-14
Genre: Business ethics
ISBN: 9781936662111

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7 Lenses has an important purpose - to provide a clear, actionable road map for leading ethically in a complex world. With a Foreword by Stephen M. R. Covey, this book takes us beyond the triple bottom line to 7 different perspectives on ethical leadership, and provides 14 Guiding Principles that help us honor them all in daily leadership. It answers: Why do even the ethics experts disagree about what ethical leadership means? What is the bigger picture that we should use as our leadership road map? What are the business benefits of intentionally using high-level ethical leadership? What can we do to be prepared for the future of ethical leadership? The examples, graphics, cases and questions provide a framework for deeply engaging constituents and building trust for the long term.

Popular Photography

Popular Photography
Author:
Publisher:
Total Pages: 216
Release: 1982-11
Genre:
ISBN:

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Lenses Guide

Lenses Guide
Author: Margaret Brown
Publisher: Media Publishing
Total Pages: 72
Release: 2016-07-21
Genre: Computers
ISBN: 1922156205

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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!

Lenses, Eyesight, and Light

Lenses, Eyesight, and Light
Author: Avaly McGinley
Publisher: Milliken Publishing Company
Total Pages: 14
Release: 2000-09-01
Genre: Education
ISBN: 0787725382

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The activities in this packet reinforce basic concepts in the study of light, including sources and uses of light, types of lenses, eyesight, and more. Various activities, such as experiments, puzzles, and review questions help students effectively learn the principles presented. General background information, suggested activities, questions for discussion, and answers are included.

Contact Lenses

Contact Lenses
Author: Anthony J. Phillips
Publisher: Elsevier Health Sciences
Total Pages: 726
Release: 2018-11-29
Genre: Medical
ISBN: 0702071692

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Completely revised with the latest advances, evidence, and standards needed for everyday practice, Contact Lenses, 6th Edition, remains a definitive work on this multi-faceted topic, ideal for optometrists, dispensing opticians, ophthalmologists, and contact lens practitioners. This classic, superbly designed text is perfectly suited for health care professionals, providing all of the essential knowledge needed in one convenient volume. Provides up-to-date, authoritative information on contact lens materials and lens types, treatment in contact lens and tear film complications, and myopia correction and contact lenses for abnormal ocular conditions. Discusses current topics such as miniscleral lenses, keratoconus, corneal cross linking, and paediatric, cosmetic and prosthetic contact lenses. Contains high-quality line diagrams and clinical illustrations to highlight key points in the text. Focuses on the evidence behind contact lens practice, enabling you to make informed choices about the care you give to your patients.

Lenses on Reading, Second Edition

Lenses on Reading, Second Edition
Author: Diane H. Tracey
Publisher: Guilford Press
Total Pages: 274
Release: 2012-05-09
Genre: Language Arts & Disciplines
ISBN: 1462504752

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This widely adopted text explores key theories and models that frame reading instruction and research. Readers learn why theory matters in designing and implementing high-quality instruction and research; how to critically evaluate the assumptions and beliefs that guide their own work; and what can be gained by looking at reading through multiple theoretical lenses. For each theoretical model, classroom applications are brought to life with engaging vignettes and teacher reflections. Research applications are discussed and illustrated with descriptions of exemplary studies. New to This Edition *Current developments in theory, research, and instructional practices. *Useful pedagogical features in every chapter: framing questions, discussion ideas, and learning activities. *Classroom applications give increased attention to English language learners and technology integration. *Coverage of additional theories (Third Space Theory) and theorists (Bakhtin and Bourdieu).

Introduction to Adaptive Lenses

Introduction to Adaptive Lenses
Author: Hongwen Ren
Publisher: John Wiley & Sons
Total Pages: 286
Release: 2012-04-24
Genre: Science
ISBN: 1118018990

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Presents readers with the basic science, technology, and applications for every type of adaptive lens An adaptive lens is a lens whose shape has been changed to a different focal length by an external stimulus such as pressure, electric field, magnetic field, or temperature. Introduction to Adaptive Lenses is the first book ever to address all of the fundamental operation principles, device characteristics, and potential applications of various types of adaptive lenses. This comprehensive book covers basic material properties, device structures and performance, image processing and zooming, optical communications, and biomedical imaging. Readers will find homework problems and solutions included at the end of each chapter—and based on the described device structures, they will have the knowledge to fabricate adaptive lenses for practical applications or develop new adaptive devices or concepts for advanced investigation. Introduction to Adaptive Lenses includes chapters on: Optical lenses Elastomeric membrane lenses Electro-wetting lenses Dielectrophoretic lenses Mechanical-wetting lenses Liquid crystal lenses This is an important reference for optical engineers, research scientists, graduate students, and undergraduate seniors.

General Price List ...

General Price List ...
Author: Whiteley, William, Ltd., London
Publisher:
Total Pages: 654
Release: 1913
Genre: Department stores
ISBN:

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Contact Lenses

Contact Lenses
Author: Ken Daniels
Publisher: SLACK Incorporated
Total Pages: 196
Release: 1999
Genre: Contact lenses
ISBN: 9781556423451

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The Basic Bookshelf for Eyecare Professionals is a series that provides fundamental and advanced material with a clinical approach to clinicians and students. A special effort was made to include information needed for the certification exams in ophthalmic and optometric assisting, as well as for surgical assistants, opticians, plus low vision, and contact lens examiners. Perfect for the optometric and ophthalmic tech, this well-illustrated text includes detailed how-to's that will make contact lens fitting and patient education easy. The author starts with ocular anatomy and how it is affected by contact lens wear. Other topics include lens design and materials, patient selection and examination procedures, and fitting of both soft and rigid lenses (including astigmatic designs). Information on patient instruction, care of products, lens verification/modification, complications, and special fitting situations are also covered.

Canon Lenses

Canon Lenses
Author: Jerod Foster
Publisher: Peachpit Press
Total Pages: 287
Release: 2014-11-12
Genre: Photography
ISBN: 0133904318

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Lenses are a considerable investment for any photographer and require understanding their features and a making plan for purchase. You might buy several camera bodies, but quality lenses should last a lifetime! You need a book that goes beyond the camera manuals to teach you how to select and use Canon lenses to take great shots. This guide by pro photographer Jerod Foster will help you conquer the fundamentals and capture stunning pictures. Foster starts with the basics of using different lenses in the Canon lineup–from kit, to wide angle, to telephoto, to zoom, and more, to understand what they do and how their features affect your images. He discusses factors such as depth of field, perspective, and compression and which types of lenses are right for your style of shooting. Whether it’s portraits, landscapes, or street photography, you will have a better understanding of your equipment and understand your choices for investing in lenses. Beautifully illustrated with large, compelling photos, this book teaches you how to take control of your photography to get the image you want every time you pick up the camera.