Question about Tamron 28-300mm f/3.5-6.3 DI XR for Canon

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Tamron 28-300mm lens disassembly help

Do you disassemble the 28-300 tamron lens form the front? I have read thru the post and seems like conflicting answers. I want to completely disassemble this lens.

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Re: tamron 28-300mm lens disassembly help

Both, But start at the rear to remove the electronics and the outer barrels. Remove any rubber grip to expose 'hidden screws'. I would mark everything or document with pictures during disassembly.

Posted on Jan 29, 2008

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How to disassemble a Makinon mc zoom lens

first off, you need special tools to get at the inner elements of a zoom lens - i've been working on lenses for 20 years, and i still don't have every tool needed sometimes :-)

second, makinon lenses are not really worth anything, even if they are in perfect condition - my advice is to buy a better zoom used that is in perfect condition already, since you would have spent that money in tools to try and clean this one, and everyone screws up the first lens they ever try to take apart...

some good lens brand names are sigma, tamron, kiron or any with the same camera name as your camera (canon, nikon, etc)

stick with japan made optics - can't go wrong usually.

good luck...

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How to disassemble Sony 70-300 lens

Do you have access to a lens collimator and other equipment needed to ensure proper alignment when reassembling the lens? If not then you may just as well use a sledgehammer to disassemble the lens; it'll work just as well afterward.

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Canon 70-300 IS USM lens repair

Before you start disassembling your lens, let me ask this: Do you have a lens collimator and other equipment needed to ensure proper alignment when reassembling the lens? If not, you may as well disassemble the lens with a sledgehammer; it'll work just as well afterward.

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Tamron AF 18-200MM XR Di II LD dust inside; how do I clean?

Dust and other small debris is drawn into the lens due to the vacuum created when zooming in. You can reduce the chances of drawing in dust and debris by slowly zooming in as opposed to rapidly zooming in.

Now that you how it gets in and how to help prevent it from getting in again, comes the bad news. There's really no way to disassemble the lens to clean it up at home. These are precision optics with many small moving parts that really need to be serviced in a dust free environment. You best bet it to contact Tamron (or authorized servicer) to learn how much it will cost to be cleaned by them. This will keep the warranty (if any) intact, too.

Good luck!

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1 Answer

Zoom does not work since I dropped my lens

not worth the effort - these are very complicated internal workings and even if you managed to disassemble the glass it would be difficult to know what is damaged without a 1:1 drawing of the internals of that specific piece of glass - plus you do not have a clean room - not trying to comment on your housekeeping but a dedicated clean room with a laminar flow work bench to keep out the FM you would add just by opening up said glass in a normal room - Pay the money if you love the glass - if not they make interesting and fun paperweights...

Apr 24, 2010 | Tamron 28-300mm f/3.5-6.3 DI XR for Canon

1 Answer

Dirt inside back lens element

The dirt has gotten onto the front element of the rear lens group. You do not want to try partially disassembling the lens to clean it. Either Tamron or a good camera lens repair technician should be able to perform what is called a partial internal CLA (cleaning, lubrication and adjustment) of just rear portions of the lens for fairly cheap. Alternatively you may be able to pick up a used Tamron 28-200 in excellent condition for less than the repair cost of your current lens. If successful, then you could turn around and sell your 28-200 for parts or sell it to someone who knows how to service it.

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1 Answer

Tamron 28-300 lens broken off from camera

Hi: The only way to have this lens serviceable is by having a qualified tech repair the lens mount. You can contact the folks at Tamron's service center and ask for an estimate. Good luck: theboyd

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Canon ef 75-300 aperture fixed at f22

I disassembling my canon eos kiss body my self.

I used some pictures given by Google search. Did u try that??

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AF 70-300 causes error 99 in my Canon 300D

This is usually a torn flexible circuit or binding aperture in the lens. It'll have to go to a repair shop for replacement. About a $80 job.

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