Highend lenses will have a constant aperture, such as f2. The latter was a 7element lens developed especially for the prominent range, and widely regarded as one of the best lenses from that era. Voigtlander shows the 10,5mm nokton lens design graph and. Voigtlander added that detailed lens design graph and the full manual pdf file here. Lens design is, therefore, a strong component of a wellrounded education in optics, and a skill valued by industries employing optical engineers.
Remove the lens hood by rotating it anti clockwise. Optically, it is inferior to every other 50mm lens for leica, and its so big that you cant see through much of your viewfinder. It has been designed for both digital and analogue photography and is functionally fully compatible for use with rangefinder cameras. Aug 09, 2011 in summary then, the voigtlander nokton 35mm f1. Vintage voigtlander prominent rangefinder 35mm camera skoparon nokton lens more. A circular lens hood is supplied, which attaches around the filter ring on the lens. The aperture ring has a 12 ev clicking mechanism and is located in the middle of the lens barrel. Sep 16, 2016 cosina announced a new voigtlander nokton 58mm f1. Thanks to its compact size and good quality, the lens can be used as a fast kit lens for portrait and street photography. But with the growing lot of mirror less cameras, there are a lot of possible uses for this lens via an adapter. Thanks to its compact size and good quality, the lens can be used as a fast kit lens for portrait and stre. Jan 15, 2020 a voigtlander prominent ii with 50m f1.
Its a current lens produced by voigtlander in japan. Its very soft and has poor bokeh at the larger apertures as judged by leica standards. The lens is entirely made of metal and comes with a metal lens hood that is screwed on the 46mm filter thread. In sep 2001, john collier stepped up to the plate and made the following observations. Mount is nikon ais with builtin cpu, so this series has the. The new one performs very differently to the old one. Anonymous, asahi pentax spotmatic ii operating manual. This manual focus, manual exposure prime lenses utilizes a selective aperture control system, which permits switching between a stepless, declicked aperture selection method or a traditional. The old nokton is a seven elements double gauss design and the cv nokton is a six elements double gauss design with an aspherical element. The lens is constructed with doublesided aspherical lens and ultrahigh refractive index glass. The nokton is voigtlanders way of saying that this lens will gather enough light to use at night nokton noctilux. The four thirds system lens catalog 2018 is now downloadable.
In this case, voigtlander merely is showing us that. Some will focus closer, but in order to keep the results consistent, 1 and 1. The differences are a matter of opinion and debate but suffice it to say, this lens compares favorably in many ways. Original oem voigtlander lens hoods for most voigtlander leica m and screw mount lenses from the usa importer cameraquest. Keep in mind that it was around 1am but i was actually looking at some of my portraits, and was thinking it would be nice to change it up a bit. Optimization free parameters lens curvature, width, position, type of glass some can be fixed, other vary with focal length, focus e. Jul 14, 2016 summilux 50mm or voigtlander nokton 50mm.
This lens retains rangefinder and viewfinder coupling with all the combinations. Later he designed a related lens 19 that turned the outer doublets around, shown in fig. It is part of the voigtlander vm leica mmount series of lenses. The design seems clearly inspired by the leica summilux 35 preasph, offering a similar experience at a far lower, very reasonable price. Pdf an efficient approach for the designing of ophthalmic lenses, based on the optimization of the aspherical surface coefficients is presented. List the lens data in the text window by clicking on len in the text window header. Voigtlander oem lens hoods from the usa importer cameraquest. Jun 16, 2006 flickr is almost certainly the best online photo management and sharing application in the world. 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.
Later wellknown lenses were the euryskop an aplanatrapidrectilinear type, and the anastigmatic collinear, which was built from 1894 until the 1940s. Pdf ophthalmic lens design with the optimization of the. Free shipping on many items browse your favorite brands. After eye balling this lens for a while a great offer came along and gave me the swift kick i needed to try this little gem. So, first of all why such weird focal length like 40mm, while there are tons of great mmount. The thesis titled photographic fisheye lens design for 35mm format cameras prepared by yufeng yan has been submitted in partial fulfillment of requirements for a masters degree at the university of arizona and is deposited in the university. Flickr is almost certainly the best online photo management and sharing application in the world. Jun 09, 2015 voigtlander added that detailed lens design graph and the full manual pdf file here. Show off your favorite photos and videos to the world, securely and privately show content to your friends and family, or blog the photos and videos you take with a cameraphone. First im going to explain some mysterious lots of questions in the internet. Hartings first design was symmetric 17, but he soon followed it with a much better corrected asymmetric one, shown in fig.
Note, i have processed these in acr, the default a7ii image is flat by design i suppose, i didnt adjust. Nikon ais with builtin cpu high resolution with latest lens design for both digital and film full frame format metal lens barrel for long life smooth focus ring for precise focusing. The lens comes with a nice metal hood and a hood mounting ring that screws into the filter threads. Classic means that this lens will give you a classic rendering. Later wellknown lenses were the euryskop an aplanatrapidrectilinear type, and the anastigmatic collinear. It has a total elements in 10 groups with super high refractive element and aspherical element.
Unfortunately adapters to mount the nokton on modern cameras are not readily available, due to the lack of a focussing mechanism in the prominent lenses. Youd be better off saving your money for a used leica summilux 50mm f1. You can see how a new design can evolve around a simple starting point idea or structure. It was followed by the orthoskop landscape lens, another development by joseph petzval. The lens is not for everyone, you will need to be patient and practice to be able to get decent manual focus at f1. Aug 28, 20 this lens is quite expensive so heres my view as a regular user to anyone who may be thinking of buying this. Get answers to your questions in our photography forums. The optical design incorporates two aspherical lens elements for reliable optical performance and soft bokeh at maximum aperture. The double gauss lens consists of two backtoback gauss lenses a design with a. It has a focal length of 40mm with a maximum aperture of f1.
Thats a long name, so lets take a look at what it all means. The double gauss lens is a compound lens used mostly in camera lenses that reduces optical. Featuring superior image quality with stateoftheart optical design, the voigtlander nokton slii s 58mm f1. 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.
Voigtlander emount lenses are designed for use on emount camera body. Voigtlander brand specially designed for sony emount. Anyway, as a 50mm lens, this is a solid 4 star lens. High resolution with latest lens design for both digital and film. The first photographic lens built by voigtlander was the petzval portrait lens in 1840. Zeiss wanted to get their hands on albrect tronnier and his lens design team. The lens has builtin cpu and is ais compatible, the optical design is not changed. It offers an 85mm equivalent angle of view thats ideal for portraits, and the fast maximum aperture allows creative background blur similar to an f1. This method is primarily used in zoom lenses and allows to design comparatively. Attaching lens hood attach the lens hood by lining up the white dot on the lens hood.
This isnt a definitive 50mm test in the least, rather, an opportunity to give a quick bokeh impression of a number of 50mm lenses available for the leica m mount, shot at 1 and 1. Can a lens that old be any good, especially when compared to more recent optics. Well, maybe not a funny story but you get what i mean. This lens is a dream for all photographers and filmmakers who want to design with low light and minimal depth of field. I do a lot of outdoor shooting and the voigtlander 58mm is a very solid lens, perfect for outdoor shooting. Nov 06, 2018 voigtlander was no stranger to making quality lenses, and for the prominent, they made available some of their best formulas. There is no built in lightroom profile yet, i have applied a voigtlander 58mm f1. And this is all human based lens design where the fun part, and most important part, comes before we do any computer optimization. Aspherical lens design and imaging 3 where 1 is the angle between x and the angle of incidence, 2 the angle between m and the angle of refraction. Zoom lenses typically have a maximum relative aperture minimum fnumber of f2. The nokton lens is unusual in the rangefinder field because of the use of modern aspherical lens element fabrication technology on the rear element. Well, its leica m mount, so it wont really fit your average canon or nikon camera. The leicas arent optically perfect either, but i suppose an argument could be made that the bokeh is notably better.
There was a 100mm telomar, and eventually a 35mm f3. The new model also has the classical nikon design colorcoded depth of field scale. A practical guide optical sciences and applications of light 20171128 lens design, third edition, optical science and engineering 20180116 introduction to lens design. Oct 25, 2008 flickr is almost certainly the best online photo management and sharing application in the world.