Design of basic double gauss lenses for iphone

Four smartphone photography tips for when you dont have your dslr guest contributor, 4 years ago conduct a quick web search and youll find dozens of iphone 6 photo galleries that feature some impressive wellconstructed shots. Lenses with wider apertures usually require 7 elements or even 8 elements the extra elements added to control aberrations and astigmatism. Usually in smartphones where the camera is compact, you do not have real optical zoom. The spherical optic design and doublegauss configuration provide crisp and clear images by minimizing aberrations, while the lightweight profile ensures seamless operation and portability. These lenses are based on the classic double gauss lens, with the f1. Gauss combined a positive front with a rear negative lens. The basic lens design forms are in here, and we can take a deep look into the. Dec 14, 2014 some users have noticed issues with the iphone 6 plus camera and nfc on both the iphone 6 and 6 plus, but the cause of the problem interference from magnets and metal components in accessories. Dec 18, 2012 about a year ago i made a clipon lens for my iphone and everyone is always asking me where i got it. Ms optics, a oneman operation that makes small, limitedrun lenses for leica mmount cameras has unveiled its latest creation, the apoqualiag 28mm f2. The design of double gauss systems using digital computers. A classic design has 6 elements which is usually sufficient for an aperture f2. It proceeds from a rough model directly to a solution.

But the not all the lens designs are simple lenses, we will. Double gauss lenses photography lenses, camera lens. About a year ago i made a clipon lens for my iphone and everyone is always asking me where i got it. Family of lenses used to create fast lenses of symmetrical construction on either side of the aperture stop, offering good correction with flat field and wide to medium fields of view. He designed a lens composed of a cemented doublet as the front. The results indicate that the number of optimized designs is small for all of the constructions that were investigated.

Some users have noticed issues with the iphone 6 plus camera and nfc on both the iphone 6 and 6 plus, but the cause of the problem interference. September 5, 2014 25 double gauss designs posted for the first posting to this site, ive chosen doublegauss designs, posted to the photographic primes page. The true double gauss requires four concave grinds, two of them being very deep because theyre on negative meniscus lenses. Doublegauss lens with images vintage lenses, camera tattoos.

Gauss later derived similar imaging equations where the conjugate object and image planes are referenced to the principal planes. May, 2014 double gaussian lens is the basic design which is still used in many cameras. Based on the gauss group a pair of meniscus or concavoconvex lenses. Photography cheat sheetsphotography basicsheadshot photography photography. Synthesis of the double gauss, jan hoogland, spie proc. Both sets of imaging equations assume that the lenses are thin and therefore the principal and nodal planes lie at the center of the lens. There are some graphical software tools that can really help in this stage, especially when predesign tradeoffs whatifs are needed, as they often are. Aug 18, 2011 the design can be further modified with an extra element or two, but the double gauss basis is still there. A parent could capture a video of the moments before the candles on the cake are blown out using the standard wideangle iphone camera, and then tap on the screen to open a. Sep 01, 2017 the double gauss form has many local minima and this design is stuck in a very short version of the normal double gauss design. Nikon f4 and lens cutaway best digital camera, nikon camera. Design of basic double gauss lenses, walter mandler spie proc.

The double gauss lens consists of two backtoback gauss lenses making two positive meniscus lenses on the outside with two negative meniscus lenses inside them. The design of double gauss systems using digital computers, m. Four smartphone photography tips for when you dont have your. These zemax models are all based on patent literature. These lenses are based on the classic doublegauss lens, with the f1. Olloclip makes three glasslens systems that slip onto the top of the iphone 6 and iphone 6 plus.

Both the nikon and canon measure out with an exit pupil at about 70mm on a 50mm lens. Hugo meyer aristostigmats are double gauss lenses, which means that even when they were new they were noot considered very good as convertible lenses. Plasmat with a capital p is better thought of as a meyer trade name than as a design type. Carl friedrich developed gauss to improve the lenses for refracting telescopes. I suppose that several different lenses were used in the iphone 5, and. Gaussian beam optics optical specifications material properties optical coatings. This lens is presumably the iphone camera from a few years ago, perhaps the. Leica lens cross section diagram tattoo photographer rick satureyes shares this. Peter marx is raising funds for gauss redefining eye protection for the digital age on kickstarter. The double gauss lenses rely on symmetry to flatten field curvature and reduce. Lenses made for closeup work magnification not higher than 1. Buy this item and you will have both a macro lens and a wide angle lens for your digital camera or mobile phone. The double gauss lens is a compound lens used mostly in camera lenses that reduces optical aberrations over a large focal plane.

Here you have 3 opticalquality lenses mounted to an iphone case, letting you rotate between them. A design example of a doublegauss lens is constructed using. Doublegauss lens wikipedia everything about technology 2019 nikon camera lenses, photo. The new models include designs based on the double gauss and. But in reality this is no simple doublegauss derivative. Shoot to thrill with these superb iphone lens attachments wired. Designing a doublegauss lens, the hard way slideshare. How to tell gauss type design nikon slr lens talk forum. Lenses for iphone 4 some also work on other phones 2.

Mar 07, 2016 a parent could capture a video of the moments before the candles on the cake are blown out using the standard wideangle iphone camera, and then tap on the screen to open a splitscreen view and. Definition of double gauss lens idigitalphoto dictionary. The basic lens design forms are in here, and we can take a deep look into the development of lens design. Gauss glasses blue light protection, kickstarter, interview. Feb 21, 2011 lenses for iphone 4 some also work on other phones 2. 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.

Im not the first person to make one of these, but this is my take on it. He calculated a lens combination that was free from central and marginal rays of spherical and chromatic aberration. The first glasses that change their color and protect your eyes from the sun and harmful blue light emitted by digital device screens. Apples proposed dual camera interface brought to life in. Accessories with magnetsmetal might interfere w iphone 6. I will assume that you want to get the answer to why cameras have an objectiveeyepiece combo instead of a simple lens, that is with the combined power of.

Iphone camera lens camera apps camera gear dslr photography mobile photography landscape photography kodak pixpro iphone gadgets point and shoot camera discover how the kodak pixpro 25x zoom lens with a 16 mp image sensor will turn your iphone. The lens attaches magnetically to the lanyard and the lanyard can be attached to the mobile phone or keychain allowing for easy carriage of the lens converter everywhere you go. May 11, 2012 here is an expensive and flashy option to having a set of lenses. The design forms the basis for many camera lenses in. Zeiss does okay in any given category, but the 50mm f1. The power of the positive element predominates, but the negative element corrects for chromatic aberration. The basic lens type is one of the most developed and used photographic lenses. Apr 03, 2012 zeiss does okay in any given category, but the 50mm f1. Kawasaki ninja iphone hintergrundbild cool cars and motorcyles motorrad. The concentric lenses symmetrical about the stop constitute the first order double gauss. The iphone also has a prime lens, but a smaller one, with a much shorter focal length but, because the imaging area the sensor is also much smaller, the field of view captured is also much smaller to the point where we call the lenses equivalent for the different sensor sizes.

But the not all the lens designs are simple lenses, we will look at newer and important lens design forms as well. Designers start with an existing lens design and modify it. More new nikon lens patents designed for sensor nikon rumors new nikon, nikon lens. Much better performance will result if the design is coaxed or forced out of this minimum, mostly by having a shorter central airspace and a longer back focus due to a stronger back meniscus lens. The double gauss lens is a compound lens used in camera lenses that reduces optical aberrations over a large focal plane. The new iphone 7 plus has a dual camera system with one 28mm and one 56mm. Double gaussian lens is the basic design which is still used in many cameras.

The one at the rear is reversed, so the two gauss lens groups are facing opposite directions. A general study of the design of lenses of double gauss type and derivatives of these has been carried out, with the lenses optimized at an aperture of f2 and a field angle of 20. In 1841 gauss published a now famous treatise on optics in which he demonstrated that, so far as paraxial rays are concerned, a lens of any degree of complexity can be replaced by two principal, or nodal, points and two focal points, the distances from the principal points to their respective focal points being the. The ipro lens system gives iphone 55s5se, iphone 66s, and iphone 6 plus6s users the ability to quickly affix one of five different lenses to his or her phone by attaching them to a speciallydesigned ipro protective phone case. Almost certainly this lens will be similar in size to 50mm f1. This is an ultimate guide of lens design forms, the optical systems that are used in our world. Dec 04, 2012 this presentation is a brief introduction to the double gauss photographic lens. I already have this duallens, nonextending system on a kodak v610 camera. The charger has the following specs and characteristic. The four basic designs dis cussed in this report include an optimized spherical lens and three lenses incorporating aspheric surfaces. Its very easy to make with just a few tools and materials. Here is an expensive and flashy option to having a set of lenses.

Basically a double gauss design consistes of a gauss lens group at the front and one at the rear of the lens. The spherical optic design and double gauss configuration provide crisp and clear images by minimizing aberrations, while the lightweight profile ensures seamless operation and portability. This presentation is a brief introduction to the double gauss photographic lens. The design can be further modified with an extra element or two, but the double gauss basis is still there. Photography cheat sheetsphotography basicsheadshot photographyphotography. Gauss eyewear the first true sunglasses for the digital age.

The doublegauss form has many local minima and this design is stuck in a very short version of the normal doublegauss design. Its aims are the research, the development and the implementation of aerospace projects, plus the educational aspect and the execution of related. A procedure for the design of basic double gauss lenses has been developed that uses fifthorder interpolating aberrations in the framework of a dampedleastsquares program. Made with aluminum, the whole thing weights 10oz, so about double an iphones weight. Hugo meyer goerlitz aristostigmat lens as a convertable lens. Characterized by its straightforward design, this goto lens balances both ease of handling along with enhanced image quality. The design procedure described is based on the work of walter mandler. Design of doublegauss objective by using concentric lenses. The concentric lenses symmetrical about the stop constitute the first order doublegauss.

The ef 50mm lenses are a group of normal prime lenses made by canon that share the same focal length. Four smartphone photography tips for when you dont have. Perhaps most notable, double gauss type can even be traced back to the triplet. Contact address the group of astrodynamics for the use of space systems gauss srl is an italian limited liability company based in rome, founded in 2012, active in the space technology field. Choose between a clip with three macro lenses, one with a 2x telephoto lens, or a 4in1 set that. Double gauss lenses fotographie, kamera, licht fotografie, objektive, antike bilder. Gauss glasses protect your eyes in front of screens and outside with selftinting lenses and a new, proprietary coating technology. It employs an internalfocus design driven by a linear activator step motor thats used for. Third order aberrations lens parameters relationship and optimization results are discussed.

Gauss redefining eye protection for the digital age by. Predesign often involves paper and pencil sketching, including rough graphical ray tracing, with thin lenses standing in for real lenses. These lenses provide wideangle, telephoto, and macro shooting options to the iphone user. Telephoto systems have been treated on their basic optical principles.