It adds impressive building blocks to the foundation established by a. Optical design usually begins with simple considerations of the spatial envelope of a new lens finding the objectimage distances and sizes, aperture, focal length etc. If you have any information on the kodak ektars please send it to me so that i can update my chart. Camera porn of your ektar lenses is ok, and dont have to be taken. An interesting new wideangle lens type is a fourcomponent form found commonly on the socalled compact 35mm cameras. So this man is an authority on the history of lens design. Design for near and distant viewing distances is essentially identical. Theory is limited to a minimum, and used to support the practical design work. Lenses shutters and portra lenses, fourth edition, 1952, for optics for small professional cameras, plus the professional handbook had exclusive pages for commercial and wide field ektars. The graflex wa optar, really a wollensak raptar wa is another older wideangle lens.
Large format lenses are typically used in large format cameras and view cameras photographic optics generally project a circular image behind the lens. Introduction to matlab for engineers solutions, introduction to the theory of linear spaces, and many other ebooks. The book introduces geometrical optics, optical instruments and aberrations. Automatic and quasiautonomous computational methods and techniques is the first book that interactively describes the newest modern lens design tools. Products purchased from third party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements. Although i have taken a great deal of effort to assure accuracy, the user of any of. Conrady in applied optics and optical design and rudolph kingslake in lens design. This definitive and authoritative textbook brings together contributions from internationally recognized experts within the field of contact lens practice. While i question the decision to label this camera as a medalist with an ektar lens as it shares absolutely nothing in common with the original kodak medalist or its 5element ektar lens.
Design examples of several widely used modern lenses are provided. Kodak anastigmat lenses began appearing about 1915. Optical design and stray light concepts and principles. Launched in 2008, ektar 100 is one of the most modern films on the market. The percival philosophy is similar to that used in modern spectacle lens design. The hologon is a modification of the biogon lens design. The wide field ektar series, a symmetrical design, was introduced. This guide provides the lens design forms of various lens designs from simple lenses to complex lenses, and is intended to provide many examples of the lens designs that we use today. This lens is characterized by a triplet construction followed by a rear element that is strongly meniscusshaped, convex to the image plane. It teaches how a satisfactory design can be obtained in a straightforward way. Kodak made the famous ektar large format lenses during his leadership.
The topogon is a double gauss design arranged in a symmetrical design. The ektra s mount is a unique breech lock screw mount in which you must unscrew a collar around the perimeter of the lens to detach the lens from the body, but before you can do this, you must release a lock beneath the lens on the side of the block of metal that has the tripod socket on it. On smaller format cameras the image circle generally covers only the intended film size with little room to spare. Due to its wide angle coverage, and the small distortion, it and the metrogon became the standard aerial lens until it was displaced in 1952. Sep 04, 2005 this group is for the posting of photos taken with the legendary kodak ektar lens, in any of its many forms. Lenses in a photo system, the lens is most critical lenses are characterized by prime vs. Lens design software free download lens design top 4 download. The pros and the cons blue contacts,discount contact lenses,eye lenses,prescription colored contacts the art of game design. The process of designing lenses is both an art and a science.
These lenses still compete with modern day lenses at least those of the 1980s even though todays modern glasses were not available to him and they do lack the modern flare reducing coatings. Optical engineers working in lens design will find this book an invaluable guide to lens design in traditional and emerging areas of application. The lens is generally the most expensive and least understood part of any camera. For those who dont know, ektar is not a lens design, it is a quality standard. Mar 26, 2019 while i question the decision to label this camera as a medalist with an ektar lens as it shares absolutely nothing in common with the original kodak medalist or its 5element ektar lens. A selected bibliography of writings by rudolf kingslake 555 index 557.
There are also many useful figures to help visualize the main issuesconsiderations of lens design. With a converging lens, paraxial rays that are parallel to the principal axis converge to the focal point, f. Good game design happens when you view your game from many different perspectives, or lenses. Kodak lens serial numbers enlarging lenses this booklet predates the first edition of the kodak reference handbook and contains detailed information about many more lens models and considerable background information about kodak lens design and production. This book holds a unique place in the optics literature. The following still camera ektars were documented in the kodak professional handbook, 1952. In lens design with large computers, proceedings of the conference, institute of optics, government superintendent, rochester, new york. We provide directly and through partnerships with other innovative companies hardware, software, consumables and services to customers in graphic arts, commercial print, publishing, packaging, electronic displays, entertainment and commercial films, and consumer products markets. Which camera and lens 35 or 50mm would you recommend.
The 1946 data book reflects kodaks singlecoating lumenizing process throughout its lines of lenses, synchronized shutters and a revamping of professional lenses. See more ideas about vintage cameras, kodak camera and camera. A book of lenses shows that the same basic principles of psychology that work for board games, card games and athletic games also are the keys to making topquality videogames. This book is superb because it lays out different lens design forms suitable for different fnumber and fov. Optics pdf download book free computer books download. Lenses lenses refract light in such a way that an image of the light source is formed.
Etsy is the home to thousands of handmade, vintage, and oneofakind products and gifts related to your search. It is the only one i have found with a kodak ektar 47mm listed. Lens design fundamentals, second edition, is the most comprehensive treatise to be published on the subject of lens design. Ill bet anything that it will out perform ny other f 2.
By becoming familiar with the essential lens design forms, we can use them to our advantage during lens design. Optics basics are introduced and basic functions of zemax are described. This group is for the posting of photos taken with the legendary kodak ektar lens, in any of its many forms. Lens design software free download lens design top 4. The challenge is to show us your best photo shot with ektar 100. This lens has much less astigmatism than either conventional triplets or tessars and can. Blackandwhite negatives are crisp and needlesharp, capable of being enlarged many diameters without loss of detail. What books or websites, besides this fine site, would you suggest to understand what i should look for. An introduction to theories and models eye contacts, lasik eye surgery, or eyeglasses. One of the first separately bound data books was published in 1946 for revising reference handbooks, and noted as second printing. Every step from setup specifications to finalizing the design for production is discussed in a straight forward, tangible way.
Large format lenses are photographic optics that provide an image circle large enough to cover large format film or plates. While advancements 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. The people at lightmachinery are veterans of the laser and optics world with many years of experience in the areas of optical design, high power lasers, optical fabrication, laser systems, metrology, thin film coatings and custom machinery fabrication. Modern lens design mcgrawhill professional engineering, warren j. A course in lens design is an instruction in the design of imageforming optical systems. The book not only covers theory of lens design but the author also delves into the math using practical examples. This practical guide to lens design is very timely as many young minds strive to gain rapid experience in this expanding field. Lens design software free download lens design top 4 download offers free software downloads for windows, mac, ios and android computers and mobile devices. Field guide to lens design 2012 bentley publications. In this book, rudolf kingslake traces the historical development of the various types of lenses from daguerres invention of photography in 1839 through lenses commonly used today. The zemax code in the book is a bit dated by now but most users should be able to still use it for newer editions of the software. Ophthalmic lens materials lecture 2 ophthalmic lens. The art of game design a book of lenses jesse schell carnegie mellon university amsterdam boston heidelberg london new york oxford paris san diego san francisco singapore sydney tokyo morgan kaufmann publishers is an imprint of elsevier. Using warez version, crack, warez passwords, patches, serial numbers, registration codes, key generator, pirate key, keymaker or keygen for lens design license key is illegal.
The book introduces geometrical optics, optical instruments and. Click on document introduction to lens design with practical zemax examples pdf. Ophthalmic lens materials lecture 21 ophthalmic crown is made of 70% silica sand, 1416% sodium oxide, 11% calcium oxide and 15% of potassium, borax, antimony and arsenic ophthalmic crown is used for the majority of singlevision glass lenses available today and for the distance portion of most glass biand trifocal. The 5mm wf ektar was reccomended for general purpose use on 4x5 monorail view cameras 90mm wollensak wa, graflex the graflex wa optar, really a wollensak raptar wa is another older wideangle lens. This book is different from most other books on lens design because it. The examples in this guide provide a birdseye view of the various lens design forms and why certain lens combinations are used, to help visualize typical lens designs and even complex lens designs. Top 4 download periodically updates software information of lens design full versions from the publishers, but some information may be slightly outofdate. Introduction to lens design with practical zemax examples pdf. From an early lens still being manufactured for use in lowcost cameras to designs made possible through such innovations as lens. No matter what youre looking for or where you are in the world, our global marketplace of sellers can help you find unique and affordable options.
Different versions of the class of lenses are presented and can be used to form a practical startingpoint base for many types of lens. We have made it easy for you to find a pdf ebooks without any digging. The double gauss lens consists of two backtoback gauss lenses a design with a positive meniscus lens on the object side and a negative meniscus lens on the image side making two positive meniscus lenses on the outside with two negative meniscus lenses inside them. Programs and books useful for automatic lens design 549 17. Lens design is, therefore, a strong component of a wellrounded education in optics, and a skill valued by industries employing optical engineers. Please identify in the photo description what kind of ektar lens you used to create the image. Some of us like to know about filmdeveloper combinations as well, so feel free to include that information in your tags.
Detailing design methods for a variety of lens forms, this book shows that fixed focus and zoom lenses can be optimized, starting from planeparallel surfaces, in a brief time on a modern fast pc compared to traditional tools that require many days or weeks of tedious work. Unlike the first edition, which was more a collection of lens designs for use in larger projects, the 2nd edition of modern lens design is an optical howto. From the 1953 version of kodak data book lens, shutters and portra lenses, this fourelement completely lumenized ektar lens, especially designed for the kodak signet 35 camera is one of the finest lenses ever produced for a miniature camera, regardless of price. Naglewerk, stuttgart 6x9 film, bellows camera, with schneiderkreuznach f. A practical guide to lens design focuses on the very detailed practical process of lens design.