Lens separation repair

Remember Me? Page 1 of 3 1 2 3 Last Jump to page: Results 1 to 10 of Thread: Any tips on how to repair lenses with Balsam Separation? Any tips on how to repair lenses lens separation repair Balsam Separation?

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Lens separation repair

I bought this lens cause it seems interesting, a big leaf shaped spot in the lens front. This lens seems to be a bit rare, I found nearly no information about it. Here one of the test images, one could see the effect of this defect in the unsharp area - for example very good in the big light spot right at the bottom: Further images with visible image decline:. I opened the lens for this repair. The leaf was inside the second element - as supposed a group of the glued lenses. And controlled wheter I could use the lens housing part to realign the two lens part after glueing. It is crucial to get the correct alignment centering for the elements. With newer lenses with UV cured glue instead Canada Balm complete lens group delamination is harder to get. With high temperature I startet lens separation in a test lens, but not as much that I could open the lens group. Now the completely separated lens element: In this case the glued lens surfaces are to plane surfaces, I cleaned the Canada Balm away with isopropanol. One can press the cleaned surfaces together, and could see the interference pattern:. They are expensive, and most have a short shelf life as soon as soon as opened. Furthermore there are not many suppliers for such specialized glue for amateures. The other way is the classic approach: Canada Balm, I got mine from a internet supplier from Asia - another source could be a artist supplier. I found UHU glass glue, which is a UV curing glue for glass, it seems like it has a good refraction index.

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July 11, in Leica and Rangefinders. It was badly separated before, and afterwards it only had minor separation. Got rid of the ghost image in the lens. But the lens is still horribly bad. There are still brass filings trapped between the rear groups, and the rear element has been epoxied into place, it's retaining ring is mauled.

I overhaul every Zeiss lens. If your lens is not listed on this page and you want to know if it can be overhauled here and the cost please use this email link to contact me:. If you have a lens that needs an overhaul or to be repaired and you want to know the price and turn around time please use this email link to send me an email about it and I will reply promptly. Please send me all the information you have about the lens and describe the problem that causes you to believe the lens needs an overhaul or repair. In the case of most overhauls a firm price can be provided. Grease is made of oil and other ingredients that cause the oil to form a solid so that it will stay where it is applied. Over time the grease begins to degrade and it will release this oil. The oil moves into the lens and coats the glass internal lens elements. Lenses must be absolutely clean in order to do the job each lens element in a lens is designed to do.

Lens separation repair

Hello, my friends and readers! It is getting really cold these days and I am getting lazier to do even the most basic of tasks and prefer to just hide under the thick blanket. I am sure that some of you guys have seen this and wonder what this is and how do these affect the lens and the images it captures.

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They're in Germany but do International sales. New posts. Like Loading Create an account or sign in to comment You need to be a member in order to leave a comment Create an account Sign up for a new account in our community. You will have to find that out for yourself. To read our full affiliate disclosure statement please click Here. Is it easy to detect and how much would it cost to get that fixed.. He had dismantled the elements, cleaned and glued. As for IOR, I believe it is the same across the board for glass company-wide unless they made a different one like flourite. Would it be rude to ask why you think the lens has separation?

Remember Me? Last Jump to page: Results 1 to 10 of Thread: One way to fix lens separation.

From Summers Optical Steve. Recommended Posts. Maintaining this blog requires money to operate. He might also have a professional opinion on the real-world effect of this kind of separation. Balsam Separation Repair. The idea had left my mind. Accept Learn more…. Member-Submitted Articles. New posts. AgX Deleted Mar 15, Furthermore there are not many suppliers for such specialized glue for amateures. What are the lenses? Groups Public Events. Wait a few hours or a full day and reassemble the lens. So I have taken his advice and no problems at this point.