The new f2 voigtlander lens adds a finger tab for focusing, and is dedicated to the leica m mount. Specifications product name ultron 40mm f2 sl aspherical focal length 40mm maximum aperture minimum aperture lens construction 5 groups 6 elements angle of view 57 aperture blade minimum focus 0. 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. With corrosion resistant aluminium alloy cage, sus316 stainless steel components, modular design, ip65 and ik08 rated covers for added strength, weve engineered the new ultron version to handle whatever comes your way and are twice as durable as its predecessor. Lens design opti 517 syllabus university of arizona. With corrosion resistant aluminum alloy cage, toughened stainless steel components, modular design, ip65 and ik08 rated covers for added strength, the ultron has been engineered to handle whatever comes its way and extremely durable. The voigtlander 35 f2 ultron and the panasonic s1 cranked to iso 12800.
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 ultron is an mmount lens, but can get close to 0. In addition, lens hoods can offer some degree of physical protection for the lens due to the hood extending farther than the lens itself. This lens is characterized by a triplet construction followed by a rear element that is strongly meniscusshaped, convex to the image plane. Be it a rain, snow or a storm, ae6 ultron version has got the area covered. Solutions include complete optomechanical and optoelectronic assembly and subassembly systems. The symmetry of the system and the splitting of the optical power into many elements reduces the optical aberrations within the. Other references welford, aberrations of optical systems laikin, lens design smith, modern lens design malacara and malacara, handbook of lens design korsch, reflective optics kingslake, optical system design kingslake, history of the photographic lens cox, a system of optical. It is also used as the basis for faster designs, with elements added, such as a seventh element as in both canon and nikons 50 mm f 1. Maubrey i do love the rendering of the ultron, if it were cheaper i wouldnt even ask myself wich one to choose.
Brian blandford 2005 7 opic lens design tutorial edu plotting a spot diagram now create a map of the pattern of rays falling on the image. Fast aperture and excellent resolution are some of the benefits of fixed focal length lenses. The design parameters of optical system are typically to form a complicated multidimensional. 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. We design and manufacture worldclass projection lenses. Design examples of several widely used modern lenses are provided. An interesting new wideangle lens type is a fourcomponent form found commonly on the socalled compact 35mm cameras. Voigtlander ultron 40mm f2 sliin aspherical instruction.
The transmission to an optical viewfinder with distance adjustment is guaranteed by focusing coupling up to a nearlimit of about 70 cm depending on the camera, in general, can be focused to 50 cm for example. The design is presently used in inexpensivebuthighquality fast lenses such as the sony fe 50mm f 1. During its original development, voigtlanders goal of the ultron 35mm f2 was to create a vintage looking lens that nods back to the 1950s when lenses were tiny and lightweight. It is also compatible with sony apsc emount cameras like my sony a6500, where it provides a focal length equivalent of 97. While advancements in the field over the past two centuries have done much to. Ive always been pleasantly surprised at the build quality of voigtlander lenses, and the f2 delivered on this. Usa, the voigtlander ultron 50mm f2 on the voigtlander vitessa 1951, west. Despite being tiny, its weight makes it feel like a leica. The ultron 1,850 is a fine lens, perhaps even groundbreaking for its time. Optical design consultations, feasibility studies, and complete custom optical design services. Field guide to lens design 2012 bentley publications.
Simple manual correction does not help with complex issues like this. This lens has much less astigmatism than either conventional triplets or tessars and can. Navitar designs, develops and manufactures innovative optical solutions for clients and enterprises across the globe. Lens design, camera zoom lens, cmos sens or, optimization, global explorer, mobilephone camera lens 1. There are two main optical lens design forms that competed for the top spot of the normal lens in the formative years of photographic cameras for lenses. This enables the lens to create a very unique bokeh while still being able to capture a high level of detail. List the lens data in the text window by clicking on len in the text window header. There are two copies of this lens on ebay at the time of writing, averaging at around 500 gbp or 700 usd. Voigtlander ultron 40mm f2 sliin aspherical instruction manual. Unlike its widerangle counterparts, the ultron 35mm lens incorporates a rangefinder calibrated rearfocus helicoid.
The voigtlander 35mm f2 ultron nick bedford, photographer. Buy voigtlander ultron 40mm f2 sl iis aspherical lens for nikon f silver rim featuring fmount lensfx format, aperture range. I should note that ive found the 18mp apsc mode of the a7r3 very useful with this lens, as when im shooting events i can switch between the full frame and crop angles of view. The types of optical systems in a lens designers toolbox. Kidger, intermediate optical design, spie press, 2002. Our products range from high magnification motorized zoom imaging systems to fisheye projection lenses used in a wide variety of industries including life sciences, industrial. So, by your data, the old design has a voightlaender color ultron cloned design, and the later had their design borrowed from the contax planar f1. The lens comes in a vintagedesign and is available in two versions as black aluminium body 283 grams, or as silvercolored brass version 330 grams. The more airglass surfaces, the more flare, and until lens coating came into widespread use in the 1950s, this was a strong incentive to lens designers to keep the number of groups to a minimum. 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. Mount is nikon ais with builtin cpu, so this series has the advantage of aperture control through camera body. There was a 100mm telomar, and eventually a 35mm f3. Design by albrecht wilhelm tronnier for voigtlander zeiss. And this is all human based lens design where the fun part, and most important part, comes before we do any computer optimization.
The hood design is a screw in design rather than a bayonetstyle hood, which means that it screws into the front filter thread on the lens. Description it features an allmetal lens barrel construction, a 39 mm leica compatible l screwmount and a 10 bladed aperture which creates very pleasing outoffocus highlights. A lens mount is an interface mechanical and often also electrical between a photographic camera body and a lens. The double gauss lens consists of two backtoback gauss lenses a design with a. For those of you who are interested i can show now the optical 76 design of the zeissrollei planar aka voigtlander colorultron 50mmf1. The lens holds 9 elements in 7 groups, resulting in a length of 50.
Introdution recently, global optimization algorithm is widely applied in optical design, regardless of fixed focal lens or zoom lens system. An ultrawide angle lens design with relative illumination analysis is presented. The double gauss lens is a compound lens used mostly in camera lenses that reduces optical. Apo lanthar a variant of the heliar but with an opposite front group. This guide is a birdseyeview of all the optical systems and lens design forms out there, and. High magnification zoom and fixed lens systems, large format and high speed lenses, microscope objectives, motorized assemblies. Design for near and distant viewing distances is essentially identical. This lens is only made in a sony fe full frame emount.
Lens is a marvelous and colorcorrected voigtlander ultron 502. Minimum aperture is f16, and lens has unit focusing allowing a more precise adjustment. Zoom lens design of mobilephone camera with globalexplorer. Early 1952 voigtlander vitessa an ultron 502 rangefinder. Make offer vintage voigtlander vitessa film camera color skopar 1. Page 1 ultron 40mm f2 sl aspherical instruction manual cosina co. The optical design incorporates two aspherical lens elements for reliable optical performance and soft bokeh at maximum aperture. Later he designed a related lens 19 that turned the outer doublets around, shown in fig. As 35mm lenses are often said to be the standard lenses in the world of rangefinder cameras, therere many kinds of 35mm lenses made by leica and carl zeiss. Our hemistar fisheye lenses for curved applications, custom 4k. Made in extremely limited quantities was a very expensive wide angle called the ultragon. 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.
It is based on the double gauss optical design but has concave front element which makes this lens unique. This lens was the precursor of the voigtlander color ultron 50mm f1. Lenses in a photo system, the lens is most critical lenses are characterized by prime vs. Zoom lens design of mobilephone camera with global. I do not have the lens hood, which is a rubber design, but may pick one up some day. This is an ultimate guide of lens design forms, the optical systems that are used in our world. The percival philosophy is similar to that used in modern spectacle lens design. In lens design with large computers, proceedings of the conference, institute of optics, government superintendent, rochester, new york. It has a lot of filed curvature to the point if you focused squarely on the middle of the frame your corners will not look reasonable until f8. The front end of the hood is threaded itself, so you can still use filters you would just screw them into the lens hood instead of the lens itself. It is confined to cameras where the body allows interchangeable lenses, most usually the rangefinder and slr cameras. It is one of the most sought after classic zeiss lenses.
The 1st image click on it to really see how this lens renders is the full frame shot. Another more recent example of this lens is a lens design by miyazakisan, of msoptical, the aporis 5mm f2. Hartings first design was symmetric 17, but he soon followed it with a much better corrected asymmetric one, shown in fig. A practical guide to lens design focuses on the very detailed practical process of lens design. If youre interested, you can get the pdf version too. They definitely achieved that and then some when they also added a modern aspherical element to bring the optical quality to 21st century standards.
Anonymous, asahi pentax spotmatic ii operating manual. Its optical design consists of elements in 11 groups including an aspherical lens element to. Navitar optical solutions navitar imaging and projection optics. Comes with hood and a tiny screw in closeup lens for detail shots.
A lens mount may be a screwthreaded type, a bayonettype, or a breechlock friction lock type. Voigtlander 40mm f2 ultron sl ii handling and features the build and design of this lens is reminiscent of a time lenses were typically made of brass and designed to. A favored focal length among street photographers and journalists, the black ultron 35mm f1. But the not all the lens designs are simple lenses, we will look at newer and important lens design forms as well.
The basic lens design forms are in here, and we can take a deep look into the development of lens design. The new f2 ultron promised a lot highquality optics with an aspherical element along with an extremely compact formfactor, so i decided to switch earlier this year. Every step from setup specifications to finalizing the design for production is discussed in a straight forward, tangible way. Its optical design consists of elements in 11 groups including an aspherical lens element to correct aberrations. Get answers to your questions in our photography forums.
You can see how a new design can evolve around a simple starting point idea or structure. Its a really nice lens that delivers good pictures, is goodlooking in itself, and i particularly enjoy its ability to literally snap into focus through the viewfinder hard to explain, but with this lens even compared to 50mm and 55mm f1. Jun 12, 2014 voigtlander 40mm f2 ultron sl ii handling and features the build and design of this lens is reminiscent of a time lenses were typically made of brass and designed to last longer than you might think. The process of designing lenses is both an art and a science. The tessar design can still hold its own, more than a century on. Although i have taken a great deal of effort to assure accuracy, the user of any of.