Nokton lens design book pdf

Another more recent example of this lens is a lens design by miyazakisan, of msoptical, the aporis 5mm 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. 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. Care of the contact lens american optometric association. 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. The types of optical systems in a lens designers toolbox.

Method 1 correct lens has an even cup shape incorrect lens is shallower and more pointed at edges method 2 correct when lens is curled between fingers, lens curls inwards incorrect when lens is. The double gauss lens is a compound lens used mostly in camera lenses that reduces optical. A book of lenses by jesse schell in chm, rtf, txt download ebook. 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. Design examples of several widely used modern lenses are provided. Well, its leica m mount, so it wont really fit your average canon or nikon camera. Many zeiss and cv comparables are far better than acceptable. This lens was actually the first manualonly lens i ever bought. In fact, after testing, tom abrahamsson said the 50mm nokton f1. And even if you dont think this lens is for you, we definitely suggest checking out nitsans.

Due to the inherent complexity of aspheres, all efforts to push the technological limits are risky. The lens was released in 2008, designed for the leica mmount rangefinder platform dating back to 1954 with the cultclassic leica m3. I bought it brand new in tokyo in 2011, and theyre still being manufactured, so i will refrain from refering to the lens as a legacy lens, but many people label it as such. It also features the classic nikon design with the colorcoded depth of field scale. Click on document introduction to lens design with practical zemax examples pdf. The prominent does not have such an obvious waist, like ltm sonnar and nokton have. Indeed, more than 100 lenses with a native mft mount are available by now see the compendium table below. The double gauss lens consists of two backtoback gauss lenses a design with a. It gains an aperture ring mechanism which is switchable between clicked and clickless operation, a desirable feature for movie makers and previously seen in its 17. This is not a comprehensive analysis, but one users experience. Towards the end of its production, the prominent would be revised to include a film advance lever, instead of. The process of designing lenses is both an art and a science.

This lens is part of the sl ii series, which feature a cpu central processing unit built into the lens. Design for near and distant viewing distances is essentially identical. Despite this amazing set of attributes, voigtlander did not skimp on the production quality. That said, many people will say that the summicron has a much more pleasing bokeh versus the nokton. Thus, to minimize risk, clear decisions based on a. Always apply the right lens first to avoid mixing them up and check the lens is not inside out as shown in the diagrams above. The newest offering from voigtlander is truly something. And, for various reasons, i never jumped at getting one. But with the growing lot of mirror less cameras, there are a lot of possible uses for this lens via.

Since the launch of the panasonic g1 in 2008, the micro four thirds system has been growing dynamically. All content included on our site, such as text, images, digital downloads and other, is the property of its content suppliers and protected by. With viable alternatives such as this, personally, i look long and hard before paying todays leica lens prices. The percival philosophy is similar to that used in modern spectacle lens design. The voigtlander 35mm nokton does, however, have a maximum aperture of f1. Can a lens that old be any good, especially when compared to more recent optics. It sports the same optical design as its predecessor. Selective aperture control provides a stepless, declicked aperture ring suitable for video and the overall build is top quality with an allmetal barrel. In sep 2001, john collier stepped up to the plate and made the following observations. I expected the nokton lineup would be enlarged but rather by a 1214 mm instrument, being an. The design seems clearly inspired by the leica summilux 35 preasph, offering a similar. 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. Increasingly more sophisticated and featurerich cameras have been released, and a comprehensive set of interchangeable lenses has built up.

You can also use the lens on a number of modern mirrorless cameras like sony nex and micro four thirds cameras using special adapters. Financially it was a strange move to design and make an expensive ltm lens, just as ltm cameras were going out of production last iiig made in 1958 or 59, depending on which book you read. The new lens has been designed as a tribute to slr interchangeable lenses of 1965 19651974 years. It has a total elements in 10 groups with super high refractive element and aspherical element. A practical guide to lens design focuses on the very detailed practical process of lens design. Modern optical systems rely on leadingedge production technologies, especially when using aspherical optical elements. Introduction to lens design with practical zemax examples pdf. This is probably the best lens ever created for capturing life. Every step from setup specifications to finalizing the design for production is discussed in a straight forward, tangible way. If you like what you see, you can pick up the voigtlander nokton 35mm f1. I have to admit that launch was for me personally a surprise.