My spectacle lenses are made of plastic and have a non-reflective coating. You are using an out of date browser. I wear them every day in all weathers, when they get dirty I wash them with soap and water. One has to match the radius ( curve) to match the element's original. Has anyone here ever had a lens front element recoated to address a scratch or something similar? Canon Community | Using camera lens cleaner is a last resort because you really don’t want to risk streaks. As good as (if not better) than being welded on. It's not just the photographer...it's the equipment too that CAN matter. If the coatings was so easy messed up, then why would the makers go For consumer optics it's far more cost effective to replace the element than to fix it. I happen to have several eyepieces with these kind of coatings, and they are really good--making the typical multilayer coatings look like amateur attempts. To mitigate a super thin layer of minerals is applied. I know, I fabricate and supply military and and other precision optics. The purpose of lens coating is to increase the light transmission of a lens. Only the military can afford the cost structure, Panasonic Lumix DMC-ZS100 (Lumix DMC-TZ100), Shedding some light on the sources of noise, Leica APO-Summicron-SL 28mm F2 ASPH sample gallery, Tamron 70–300mm F4.5–6.3 Di III RXD sample gallery, Software review: DxO PhotoLab 4 brings several small improvements - and one big one, Review: Nikon NX Studio answers our plea for a free, all-in-one editing app, Sony a1 review updated with image quality analysis, Review: DJI's FPV drone combines DJI features with the fun of a racing drone, Panasonic 70-300mm F4.5-5.6 Macro Field Review, Scanning shootout: VueScan versus SilverFast, looking for advice Canon EF 28-300mm f/3.5-5.6L IS USM Lens, Snowbird Salute To The Ground Crew by G Gordon MacDonald. In this buying guide we’ve rounded up all the current interchangeable lens cameras costing over $2500 and recommended the best. Mitch. http://www.pbase.com/stevehorn/selected. Find out more about its updates and enhancements in our review. Fortunately, finding a place who can recycle your old cameras, lenses and batteries isn’t difficult. I would normally recomend de-ionized water but most don't have access to it. in a underwater housing. -7 Torr) and the equiptment to do this is very expensive. ] My question is directed to whether only removing the old coating and recoating would affect the lens surface geometry enough to have a visible affect on images produced by the lens. If the coatings was so easy messed up, then why would the makers go through all that trouble to put them on. If you are registered, you get access to the members only section, can participate in the buy & sell second hand forum and last but not least you can reserve your preferred username before someone else takes it. It may not display this or other websites correctly. And jsut how much can they take, before they get messed up. should know, how to clean glass and not mess them up in the first Your images of the lens don't seem to seriously require recoating. I have had my current pair for about three years and the coatings are still fine. JavaScript is disabled. If you're looking for a high-quality camera, you don't need to spend a ton of cash, nor do you need to buy the latest and greatest new product on the market. I am an old Leica user since 1954 (I´m now 86 years old but still making photos) I have been searching for a lens repair service of my Leica lenses, mainly cleaning, polishing and recoating. Caleb murphy. DJI has officially entered the world of FPV (first-person-view) drones. There are multilayer dielectric coatings deposited in high vaccum chambers with electron gun sputtering techniques that are almost as hard as the glass surfaces they protect. clearner on them. Though the coatings are thin they are fused to the glass with molecular polarization in vaccum. This kind of coating is about 100 times softer than the glass surface. Steve Horn Alan Marlow Holding the lens up to the light often doesn't tell you its true condition. Mitch, [ Many times we hear, pros never even clean their lenses. And giving that any pro should know, how to clean glass and not mess them up in the first place. Proprietor: Alan Marlow (HTEC Mech /Prod eng.) But then my thoughts turn to, just how good are the coatings in the first place. Polarised lenses are the ideal lenses to reduce glare, improve visual comfort and clarity, reduce eye strain, and improve contrast with a truer perception of colour. But at an astronomic price. Nashua, NH Phone: 603-888-3684. Uncoated lenses may lose as much as 5% of light transmission and modern camera lenses can contain more than a dozen lens elements, so it all adds up. Anti-reflective coating is sensitive to fingertips and extra care is needed when cleaning camera lens. 12 Burbidge Road. Wipe away the excess wax and hold the lenses up to a bright light. 08/07/2013. To be sure shine a penlight through the entire lens assembly and study the debris and imperfections. A poor optic, therefore, may lose as much as 35 percent of the light entering the objective, but a high-end design may lose less than 5 percent. L-Mount Community | Don’t spray the cleaner directly on the lens, instead use a lens cleaning cloth or tissue. High resolution, weather-sealed bodies and wide dynamic range are all important. This works by interference, the coat is ¼ wavelength of the color to be controlled. Even on our lines, a coating mistake can take an inordinate amount of time to fix. I've heard a couple of stories where a camera owner used some organic solvents and ended up completely removing the coating from the outer surface of the lens (the one which is … Although a lot of people only upload images to Instagram from their smartphones, the app is much more than just a mobile photography platform. Maybe you lose it at your peril? Take a small flashlight and shine it … TW17 0ED ( Established 1988 ) Tel: 01932 247127. Specializes in Hasselblad repairs. I e-mailed Zeiss Camera lens division concerning a damaged coating of the rear lens element of my C-Y 35 1.4. cleaning 1000's of times the right way of course. -- By far simpler to exchange that one suspect lens element for a new piece. But at an astronomic price. Lens Rehousing With our newly developed mechanics there are … Any changes to the production flow are costly. My name is Alan and I work … The latest version is DxO PhotoLab 4, and if you're curious about what it does, and how it performs, click through to read our full review. http://www.photosig.com/go/users/userphotos?id=169695. Lens coatings are used by lens manufacturers to produce optics that can render an image with the least unwanted optical degradation. Camera-info.com (all brands) | You could only lose it if you chip the lens. My background is in physics and optics (24 years). Click through to see how the a1's newly-developed sensor performs. E-mail: alanmarlow1000@gmail.com . New and vintage lenses alike are susceptible to common coating scratches as well as accidental damage in the form of scratches. -- T.A. Click through to see our picks. Back to top #3 Littlegreenman Littlegreenman. lens recoating? . deep. This lens is worthless now, not worth a professional polish and recoat, as the front element is a cemented pair, and the cost would exceed the value of the lens. £24.99 £ 24. Surrey. Schlauch. Most front elements do not cost that much to replace anyway, Michael Salzlechner Hilton Command Exposures . http://www.pbase.com/davidianhale, Yes coating safe cleaner, clearner or wipes that is safe to use on all lens coatings. In our latest buying guide we've selected some cameras that might be a bit older but still offer a lot of bang for the buck. 99. Can sell replacement for ELM battery. The question about astigmatism causing a strange skin tone is an interesting question and I have to be honest and say that I had never thought about it before. Dan. My lens doesn't need it, but I am genuinely curious. --The artist formerly known as The Krakken. Oooh er! Lens Repairs, Camera Repairs, Digital SLR Repairs, AF Lenses, established 30 years. So they don't mess up the glass, but it would seem silly to me. Many Russian binoculars have a yellow tint to the view. Proper cleaning techniques include never getting lens so dirty that the optical surfaces need to be touched in the first place. Made of hard coated and teflon impregnated aluminium it gives you a stable stand to hold your lens with the Pl-Mount or upside-down with the matte box connection ring while you are working on the lens. But to accurately answer your question - yes, it is surely possible. So the coating compounds are fused at electron level. And they would need removing before new application. Thank Doug for the excellent opinion on this subject. Should never mess Build by professionals our Lenses are made to fit industry standards and give you a unique vintage look. Also, the multicoating isn't simply an application of "painted layers" which are removed easily. As long as you don't scratch them, when you clean them and use coating safe clearner on them. Lens coatings can reduce losses to a fraction of a per cent. In an ideal world, Liz Parker would exist. Most solutions are alcohol-based and if you just use one or two drops, you probably won’t leave any streaks. These lenses block 99.7% of glare from reflected light and absorb 85% visible light and 100% of harmful UVA and UVB rays. -7 Torr) and the equiptment to do this is very expensive. a horribly expensive operation if you do not have the equiptment on line to perform said polishing. I doubt you'd be willing to pay for re-coating that lens element. Discover our full range of camera lenses. All of those work cause to the change of the depiction of the lens. MFT Community | I think that the T* coating is a lot to do with the perceived benefits of CZ lenses. So far I've never had to even clean the orginal front glass or touch it since I got any of mine, they get the filter minutes after coming out of the box. Some substrates can be stripped with acid but as someone else mentioned, some will disolve and therefore can't be chemically stripped. What’s the best camera costing over $2500? Lens coatings act as a protective coating for your lenses, transforming modern plastic lenses into strong everyday objects. The lens needs to be complete disassembled down to the lens elements. You need to recognize that these coatings are applied in a vaccum and are only fractions of a micron thick (dozens of atomic layers thick). So how good are the coatings on the glass, it would seem that place. In this buying guide we’ve rounded up all the current interchangeable lens cameras costing over $2000 and recommended the best. Get it Thursday, Jan 28. Most coatings do not have a slovent that does not also disolve the glass itself, and to remove old coatings requires repolishing the surface!?! ******************************************** them up, and that keeping them clean can only help them. In this guide we've chosen a selection of cameras that make it easy to shoot compelling lifestyle images, ideal for sharing on social media. Helpful(2 ) Report Abuse. I have heard from many serious collectors that this service equals, if not better than, the dedicated Leica/Zeiss labs. -- -- Occasionally you will encounter damaged glass which can't be cleaned. Rub the scratched surface of the eyeglass lens with a cloth containing a small amount of carnauba wax in a circular motion. What's the best camera for shooting landscapes? The mirrors go through the same process in the machine actualy. Eyeglasses lenses cannot be recoated unless it is a new pair of glasses you just bought it in the eyeglasses shop that you can ask the opticians to recoat it for you. (Failures get send back to polishing). Aspheric elements cannot be recoated easily. On newer lenses, this AR coating is pretty hard. Coatings also improve image quality because light bouncing around the interior of the optic washes out detail and blurs colors. Elements can be coated by a single layer of film optimised for a particular wavelength, or multicoated to help cover a broader range of the spectrum. If something were to happen to the coating on your lens would it be possible to have Canon recoat the front element?? Unless there is a fault with the coating it is unlikely to come off unless it scratched off. Nikon's new NX Studio software suite combines the company's previous ViewNX-i and CaptureNX-D applications into a single one-stop solution for editing Raw files from your Nikon digital camera. If it is within an allowance, there is no problem, but sometimes it may be beyond the permissible range. A single coat of magnesium Flouride will reduce the reflectivity of a typical crown glass from 4% to 0.5% in green and 0.9% at the blue end 1.1% in red. Coatings reduce reflections (which cause ghosts, flair,...) good coatings reduce these effects more than simple coatings. The two main reasons are are: one of the glasses used has a natural yellow tint, but had … Curious...is this fact or a good guess? To recoat the lens, the existing coating will first have to be removed. This is tough work--don't get your coatings damaged. I agree it would be very costly to have it recoated, much simpler to just replace the front glass. The best high-end camera costing more than $2000 should have plenty of resolution, exceptional build quality, good 4K video capture and top-notch autofocus for advanced and professional users. Hi All, This doesn't directly apply to Leica's, but the other forum I asked in had only a few people with experience respond and I think the Leica group has more experience in this area than other camera groups so I hope its OK to ask . As long as I know lenses are tougher than filters (or so I'm told) but I've badly scratched enough filters in spite of my care, in difficult outdoor situations, that I always use a filter. The first thing most camera dealers do with such lenses is send them to the repair shop for disassembly and cleaning. you don't scratch them, when you clean them and use coating safe On top of the flange depth issue, the lens only produces an image large enough to cover 16mm film, also smaller than Micro 4/3. This is quite common in the film industry. Lenses with multi-coatings reduce light loss to tenths of a percent. For the majority of lenses this is done on a "production line" of sorts. If the lens element is spherical it can be reground and re-coated easily. An optical coating is one or more thin layers of material deposited on an optical component such as a lens or mirror, which alters the way in which the optic reflects and transmits light. I think you'd better buy another pair of glasses if there are many scratches on your lenses. These coatings cost about $10 per square inch and have a failure rate of 3-4% per coating run. Just put a dampened tissue on the spot for a few moments and repest until its gone WITH OUT rubbing! I wonder if you could provide that service, to start with two Summarit 50 m/m f 1.5 and later on with two Summarex 85 m/m f 1.5 and perhaps more lenses later on. Also, the multicoating isn't simply an application of "painted layers" which are removed easily. The elements need to be cleaned. The added steps carry all glass from short 15-40mm Angenieux up to 24-290 and everything in between. For a better experience, please enable JavaScript in your browser before proceeding. Multilayer coatings are chosen based on the refractive index of the glass being coated, so a coating (set) for a crown glass is wholy unsuitable for a flint glass or a Flourite or SD or ED,... Basically, you are working with tollerances on the order of 1/4 wave length of light--or about 0.5 microns! Canon service probably does it a lot already due to lens drops breaking the front lens or them getting scratched. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. But to accurately answer your question - yes, it is surely I agree it would cost to much to recoat them, it's would be much cheaper to put new glass in it. It never shows up in pictures, but is truly bugging me to look at it. Whether you make a living out of taking professional portraits, or are the weekend warrior who knows their way around flashes and reflectors, you'll want a camera with high resolution, exceptional autofocus and a good selection of portrait prime lenses. Regardless, this little gem is a testament to the ingenuity and devotion to the craft that Pierre Angenieux dedicated all those years ago. The lens can be mounted, but obtaining infinity focus is almost impossible on anything other than a C-mount camera.
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