Question about Canon EF 600mm f/4L Lens

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Lens repair Some water got in between the first and second lens and messed with the coating. It looks like a rainbow through the center of the lens. How should I proceed in fixing this lens? Does the first lens need to be replaced or can it be cleaned/repaired? Who would I contact to make this repair?

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It would not be advisable for you to try and clean this yourself. Special tools are required to remove the optics safely. Canon USA will charge a fortune to make this kind of repair. I suggest you use the search on this site to find a repair person in your area. The proper facility will be able to clean your glass, rather than replace it.

Posted on Jan 04, 2008

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Posted on Jan 02, 2017

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1 Answer

My Nikon Coolpix camera lens has water in it from my cleaning utensils, how to fix it?!?!?


I'm scarred with you. When something is wrong with a lens, you can't repair this yourself. Not sure what liquid you used, but if it is not water, I'm affrays you did damage the coating and that can't be changed.
Just contact the Nikon approver service centre closest to you, and ask what a repair will cost. In the mean time check what a new camera will cost. Then decide for repair, or a new one.

Mar 13, 2014 | Nikon Cameras

1 Answer

Repair center 665


If you really have a dirty lens and no scratches on or mould in the lens, the cleaning is easy. Use a lens pen, or a cloth you should use to clean your glasses. No alcohol or other chemicals. I have a cleaning set for my glasses, with a spray bottle. Just a drop on the cleaning cloth and no firm rubbing and you can clean the lens yourself.

If there is mould in the lens, or scratches, it can't be repaired. Also when the coating of the front lens is damaged. Perhaps the on/off button is only the mechanical part that you can repair yourself? Not technical, don't even start. If you are technical, you can find how to repair an kodak Z10xx in ifixit. ou could open it and perhaps you can replace the switch. That is if you can buy one, but I don't know if there are still kodak parts around.

Nov 15, 2013 | Kodak EasyShare Z980 Digital Camera

1 Answer

Images has a lot of haze


Haze can be from the lens or the camera sensor in some extreme conditions.

You didn't say the camera model - but I'll assume a modern, DSLR type with removable lenses. First, try a different lens. If the resulting picture is clear, the problem is with the lens. If the problem still exists, then the problem is with the camera. You may have some luck cleaning the sensor of the camera. This is a *very* delicate procedure and is done with some very specific tools and supplies for the job. The wrong procedure or use of improper cleaning supplies can render your camera useless.

The same holds true for the lens. These are delicate, precision optics and should not be serviced by end users. You should inspect the lens by holding the aperture fully open and look through it front to back and back to front. Gently clean the front and rear glass with lens cleaner and leans cleaning tissues. Do not rub hard. The coating on "Single Coated" and "Multi-Coated" optics can be damaged if rubbing too hard.

If the source of the haze is still present (either in pictures or with the ***** eye looking through the lens, it should be returned to the factory or authorized repairer for a repair estimate.

i hope this helps & good luck!

Sep 22, 2011 | Sigma Cameras

1 Answer

Okay, so i have a sony cybershot DSC-P41 and i press the power button, the light turns green for like, 2-3 seconds then turns off. the screen is blank. the light is the only thing that goes. it was...


Hello Kyra

The problem is that the lens has become stuck in the barrel. There are some DIY solutions you could try, but the probability is that you will have to get it fixed by a professional.

Use these at own risk as it may further damage the camera.

Firstly , try connecting your ac adapter or usb cable.

Try holding the shutter button while switching on the camera.

Look at the lens , and if some of the lens 'circles' is misaligned or not concentric then try wiggling it (while holding camera lens down).

Try gently pushing or pulling the lens when it extends but this is risky as it may cause the lens barrel to slip out of its guidance system.

Another way to do this is to place the camera lens down on a hard surface and then power it up. Be sure to use a soft cloth or something similar as to not scratch your lens or casing. Let the lens push the camera up and down a few times and sometimes the little resistance provided by the camera is enough to get things going again.

Try hitting your camera near the lens on the body with the soft tissue on the palm of your hand.

Other than that , I would take the camera to a repair center for a evaluation to see if it would cost more to repair than to replace the camera.

If it is still under warranty I would suggest you take it in before trying any of these steps and remove any off-brand batteries or accessories as some stores are really fussy about warranty repairs on camera's with non-brand accessories.

You can also have a look at THIS link.

Hope the advise is useful. please do not hesitate to let me know if you need any further assistance. Also, please be so kind to let me know if you found this helpful.

Regards
Andrea

Nov 14, 2010 | Sony Cyber-Shot DSC-P41 Digital Camera

1 Answer

My Rainbow has no suction


Your Rainbow E series has lost suction power, because you need a new hepa filter, or your water basin gasket is messed up, or the center motor gasket is messed up or out of position.

Make sure your water basin is not cracked or broken, also.
If it is an earlier model, everything applies, except for the filter. They do not have filters, on any of the earlier models.

If you have any more questions let me know. I am a Rainbow seller, and a Rainbow expert also.

Thank you,
Ralph

Jan 27, 2010 | Rainbow E series Canister Wet/Dry Vacuum

1 Answer

Mold got into the lense while living in the USVI. Best way to remove it?


Mold is a problem with all modern lens that have optical coatings. The coatings provide food for the mold to grow on and a surface for it to attach to. Anytime you look at used equipment, this is one of the primary issues that need to be checked, remove the lens from the camera body and with the apperature wide open, hold the lens up to a light or the sky and inspect it by looking thur the lens and at the internal surfaces.

Regarding those lens that I have had this happen with, the solution was to sent them back to the factory or a factory certified repair center to be totally disassembled and cleaned, however, this cost MORE than the lens will bring on any used market and with the damage to the coatings that the mold does, the quality of the lens is seriously comprimised.

Jan 26, 2010 | Canon Cameras

2 Answers

Nikon Coolpix S550 Lens Error


Hello

The problem is that the lens has become stuck in the barrel. There are some DIY solutions you could try, but the probability is that you will have to get it fixed by a professional.

Use these at own risk as it may further damage the camera.

Firstly , try connecting your ac adapter or usb cable.

Try holding the shutter button while switching on the camera.

Look at the lens , and if some of the lens 'circles' is misaligned or not concentric then try wiggling it (while holding camera lens down).

Try gently pushing or pulling the lens when it extends but this is risky as it may cause the lens barrel to slip out of its guidance system.

Another way to do this is to place the camera lens down on a hard surface and then power it up. Be sure to use a soft cloth or something similar as to not scratch your lens or casing. Let the lens push the camera up and down a few times and sometimes the little resistance provided by the camera is enough to get things going again.

Try hitting your camera near the lens on the body with the soft tissue on the palm of your hand.

Other than that , I would take the camera to a repair center for a evaluation to see if it would cost more to repair than to replace the camera.

If it is still under warranty I would suggest you take it in before trying any of these steps and remove any off-brand batteries or accessories as some stores are really fussy about warranty repairs on camera's with non-brand accessories.

You can also have a look at THIS link.

Hope the advise is useful. please do not hesitate to let me know if you need any further assistance.

Regards
Andrea

Sep 30, 2009 | Nikon Coolpix S550 Digital Camera

1 Answer

I just got an old set of kalimar Model K7070 Binoculars ( 7X-15X35)from my father. They seem to have some type of water drop marks in the left lens. Are these worth trying to repair. I do not know what he...


The water drop marks you are seeing may be seperation of the lens coating. Most binoculars after WW2 have some form of anti-relective coating on the lens. This is applied to the glass surfaces in varying degress by various manufacturers. Its intended purpose is to reduce the amount of light that is reflected off the glass so that the image you see is brighter. Your windows at home that aren't covered actually don;t allow all of the light to come through!
What they all have in common is that the coating is applied onto the glass. Over time like anything that is stuck on or painted it can begin to peel off.
You could try asking a repair place if they caqn replace the lens but most likely they would need to change both so that they have the same coating. The binoculars are worth more for sentimental value than the cost of repair as a similar replacement set would cost as much. Zoom binoculars are not known for their optical quality. Often this 'watermark' effect doesn not interfere with the view. If your sentiments say fix them regardless do so. If not hold onto them as a keep sake.

Aug 01, 2009 | Optics

2 Answers

Canon Powershot 560 Error message lens wont extend


hi there

you have faulty spring and you need to have that serviced at a service center. check if you need to replace the spring or just correctly put it back into position. hope this helps.

fixya!

Jan 30, 2008 | Canon PowerShot A560 Digital Camera

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