Biotar lens design books

It was this lens whose optical scheme was copied, and then different variants of the gelios44 lens were put into production in the ussr. It was notable for its relatively light weight, simple design and fast aperture the name sonnar is derived from the german word sonne, meaning sun. This definitive and authoritative textbook brings together contributions from internationally recognized experts within the field of contact lens practice. Modern lens design mcgrawhill professional engineering, warren j.

Very soon they will announce a new oprema jena biotar 58 f2 lens that will also be. The computer program oslo was used to design the work, but the writeups are programneutral. A comprehensive guide to camera lens design and zeiss. This line of lenses blends image quality, ease of use, and compatibility to create hardware that can improve your experiences with photography, whether you are a professional working on an outdoor shoot or a hobbyist snapping photos of the family. Most of the worlds fastest lenses today are derivatives of the planar. Optical lens design is the process of designing a lens to meet a set of performance requirements and constraints, including cost and manufacturing limitations. Design examples of several widely used modern lenses are provided. Main source of radioactivity is the use of thorium oxide up to 30% by weight as a component of the glass used in the lens elements. It was also the standard lens on the veb zeiss ikon dresden contax s. The internal design is based on thenpopular zeiss biotar 58mm f2 lens, copying what is a very fast, sixelement in four groups antistagnat.

The biotar is another competitor of british panchro series. Of course, west zeiss never admitted to ever copying anything from the original company in dresden and jena. It was also the standard lens on the veb zeiss ikon dresden contax s 1949, east germany, the first pentaprism eyelevel viewing 35mm slr. However, i am confused about the history of development of the soviet helios lenses as a group. This was a very bold attempt, since lens coating wasn. As i described in a paper at the 2014international optical design conference, this class of optics is interesting be they are of a reasonable complexity that the designs are likely to be instructive, they offer a small range of design constraints because of the standardization of cmos imager sizes. Triplets, tessars, sonnars, and optical innovation preface this is going to be very. It is a six lens gauss type optical scheme whose design dates back to the year 1927 when famous lens designer willi merte developed his first biotar which was designed for cinematography.

This lens type has a variable focal length which can replace a series of lenses for a certain. Triplets, tessars, sonnars, optical innovation, and the nikkorp. Mar 20, 2011 it is my understanding that the helios44 lenses are basically the same doublegauss design as the east german carl zeiss jena biotar 58mm f2 lens. He is the author of three prior books on lens design, including the first edition of this one, and the classics, modern optical engineering and practical optical. Good game design happens when you view your game from many different perspectives, or lenses. Parameters include surface profile types spherical, aspheric, holographic, diffractive, etc. One selection from modern lens design, 2nd edition book. Lens design data telescope objectives eyepieces and magnifiers cooke triplet anastigmats spilt. Oprema launched a kickstarter campaign for the biotar last week. A practical guide to lens design focuses on the very detailed practical process of lens design.

It is very saught after by collectors and therefore can be quiet expensive compared to other lenses in its focal length. What type of tests do they suggest me to compare them. Helios 44m5 58mm russian lens for m42 mount cameras. There were, of course, planars before there was a biotar. The variosonnar is a carl zeiss photographic lens design named in relation to the zeiss sonnar. The double gauss lens is a compound lens used mostly in camera lenses that reduces optical. The carl zeiss jena biotar 258 is a classic lens design that dates back all the way to the 1920s. Combined with the previously mentioned gon meaning angle, a distagon is a wideangle lens with a large distance to the image. All are for folded zooms, which provide an interesting study. This legendary zeiss design trademarked planar also known as biotar or biometar in e. 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. The double gauss lens consists of two backtoback gauss lenses a design with a. Examples are dagor and biotar, from which the doublegauss type.

But this lens is a bit sharper and has less characteristic spherical. The biotar was the fastest portrait lens in the world until 1943 when leitz released their ernst leitz wetzlar summarex 85mm f1. In case you are wondering what these markings mean, let us break it down. This book is superb because it lays out different lens design forms suitable for different fnumber and fov. A zoom lens derivative of the sonnar, the variosonnar also exists, in which a number of lens groups are replaced with floating pairs of lens groups. The helios 442 has become one of the most popular lenses of all time. His designs combine clarity of purpose and functional efficacy with emotive and tactile qualities that will prove instructive and. Stefan immes, who revived the meyer optik brand of german lenses three years ago, has launched a new lens company called opema jena, which for its first project is bringing back the biotar 75f1. It has two variations with b aus jena title, carl zeiss jena biotar 58mm title, i saw preset version and preset version with auto mechanism. Most of the worlds fastest lenses today are derivatives of the planar design, including. Oprema jena revives biotar 58mm f2 lens with record.

An interesting new wideangle lens type is a fourcomponent form found commonly on the socalled compact 35mm cameras. Minor chicago attempted in 1916 to enhance the aperture of the triplet with inserting of a positive lens into the first space. Features high center sharpness wide open with rapidly declining sharpness away from the center, which produces a unique bokeh. Willy walter merte for carl zeiss, shortly after these earlier lenses, and all three lenses used a similar formula. Dec 30, 2014 incompatible with every slr and dslr design because the rear element protrudes into camera body. Po22m 75mm f2 okc biotar lens canon 5d 6d sony nex fuji nikon oks ro2 275 fx. In 1923 ludwig bertele a 23 years young optical engineer at ernemann kruppernemann. The book presented here has the title a course in lens design.

It is my understanding that the helios44 lenses are basically the same doublegauss design as the east german carl zeiss jena biotar 58mm f2 lens. Lenses for design describes and explains the unique, creative process of american industrial designer and educator, josh owen. Its still photography version, zeiss biotar 58mm f2 germany appeared on the ihagee kine exakta 1936, germany, the first widely available 35mm singlelens reflex cameras, in 1939. The leica q2 is an impressively capable fixed lens, fullframe camera with a 47mp sensor and a sharp, stabilized 28mm f1. The zeiss biotar 58mm f2 germany appeared on the ihagee kine exakta 1936, germany, the first widely available 35mm single lens reflex cameras, in 1939. Oprema jena revives biotar 58mm f2 lens with recordsetting. Every step from setup specifications to finalizing the design for production is discussed in a straight forward, tangible way. According to thiele this lens is the only one calculated on 26th of july, 1930 and built already on 31st of july, front lens diameter c. Its styled like a traditional leica m rangefinder and brings a host of updates to the hugely popular original leica q typ 116 that was launched in 2015. Modern lens design, 2nd edition book oreilly media. Thorium oxide has a crystalline structural similar to calcium fluoride fluorite. 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. One of the most commonly utilized lens types with newer cameras is the m42 lens. Lens design is, therefore, a strong component of a wellrounded education in optics, and a skill valued by industries employing optical engineers.

Modern lens design mcgrawhill professional engineering. Sep 20, 2017 after successfully funding the legendary biotar 78mm f1. Delving deep into the mechanics of lens design, optics legend warren j. Virtually all of todays fast lenses with a medium field angle 50100mm focal length on 35mm cameras are double gauss designs, like the biotar.

The zeiss biotar 58mm f2 germany appeared on the ihagee kine exakta 1936, germany, the first widely available 35mm singlelens reflex cameras, in 1939. Doublegauss lens academic dictionaries and encyclopedias. For many other optical devices such as telescopes, microscopes and theodolites where the visual image is observed but often not recorded the design can. The dista in distagon is derived from the word distance. New german lens maker oprema jena launched a campaign today on the crowdfunding site indiegogo to resurrect the biotar 58mm f2, promising to faithfully recreate the original lensa optics down to its unique 17 aperture blade design. The biotar design postww2 has the ring of the diaphragm blocked to maximum opening. The design preww2 was used like lens of enlarger and he suffered temperature for which was not designed. The lens will come in mounts for canon, nikon, sony, fuji, and. Germanys carl zeiss jena is derived from, and suggests, a planeflat field curvature. The biotar 58mm is oprema jenaas second lens project, following its successful kickstarter campaign. The biotar was developed by the famous lens designer dr. Unfollow biotar 75mm to stop getting updates on your ebay feed.

Oprema jena launches biotar 58mm f2 fe lens with 17 blade. It was a complicated design of seven elements in six groups, but with an early lens coating that was prone to flaring it was nowhere near as good as zeiss lens and its t coating. The legendary zeiss biotar lens is coming back from the dead. The process of designing lenses is both an art and a science. Principles of atoric lens design darryl meister, abom lens talk sola technical marketing vol. Books we recommend for optical design opticalsoftware. This lens has much less astigmatism than either conventional triplets or tessars and can. The biotar lens formula was first created for carl zeiss by the famous lens. Jan 01, 2006 this title is directed primarily towards health care professionals outside of the united states. Biotar 58mm copied by russians too, their variation called hellios44. In 1923 ludwig bertele a 23 years young optical engineer at ernemann kruppernemann kinoapparate ag in dresden replaced both single positive lenses of this design with cemented elements, therewith improved the angle of view and created the first still camera lens with a speed of f2.

Jan 14, 2014 the carl zeiss jena biotar 258 is a classic lens design that dates back all the way to the 1920s. With multicoated mc optics has identical optical design with the carl zeiss jena 582 biotar lens lens mount. Jul 11, 2012 there were, of course, planars before there was a biotar. The book is an excellent resource for mechanical and optomechanical engineers who design systems that contain optics. Like fluorite, its optical properties of high refractivity and. It was originally a tradename owned by nettel camerawerke in sontheim am neckar for a 4. Therefore, this book can be used with any lens design software. The design of a fixed focal length lens also known as prime lenses presents fewer challenges than the design of a zoom lens. Enjoy greater clarity and distance with m42 lenses. After successfully funding the legendary biotar 78mm f1. We take a look at the history of the helios 442 and how it got to be so popular. The zeiss sonnar is a photographic lens originally designed by dr. Project by project, owen illustrates and decodes his philosophy and approach to design invention and problem solving.

Different versions of the class of lenses are presented and can be used to form a practical startingpoint base for many types of lens. Find great deals on ebay for biotar lens and carl zeiss lens. The design preww2 was used like lens of enlarger and he suffered temperature for. A highquality prime lens whose focal length is about equal to the diameter of the film frame or sensor may be constructed from as few as four separate lens elements, often as pairs on either side of the aperture diaphragm. The design of photographic lenses for use in still or cine cameras is intended to produce a lens that yields the most acceptable rendition of the subject being photographed within a range of constraints that include cost, weight and materials. The carl zeiss jena biotar 58 mm f 2is a standard fast prime lens for 35 mm slr cameras with the m42 screw mount. In the same year of 1927, zeiss designed biotar 50mm f1. Smith reveals timetested methods for designing topquality lenses. 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. Find great deals on ebay for biotar 75mm and biotar 58mm f2.

All kind of lens great performer on dslr cameras, so dont worry about that just pickup one, this lens relatively cheap. And the original biotar is an example of a tessartype triplet with the. This lens is characterized by a triplet construction followed by a rear element that is strongly meniscusshaped, convex to the image plane. Its still photography version, zeiss biotar 58mm f2 germany appeared on the ihagee kine exakta 1936, germany, the first widely available 35mm single lens reflex cameras, in 1939. The leica q2 is an impressively capable fixedlens, fullframe camera with a 47mp sensor and a sharp, stabilized 28mm f1.

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