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January 23, 2019, 05:29:06 AM


Author Topic: 35-80 zoom iii  (Read 3532 times)

Offline Dodger357ml

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35-80 zoom iii
« on: June 30, 2013, 11:09:43 AM »
OK guys, I screwed up BIG time

Read a post about removing the front element on the 35-80 iii zoom to get a macro lens.

So I disassembled my lens and decided nah, I would have to break the glass to remove it.

Now I cant get it back together. I have looked high and low (both here and on the internet) for an exploded parts diagram to help put it back together but have been having no luck.

Its been 2 hours of frustration. Any help would be greatly appreciated.

Offline Dazzlin Dave

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Re: 35-80 zoom iii
« Reply #1 on: July 07, 2013, 11:40:12 PM »
What seems to be the exact problem with the reassembly?
If you actually took the glass elements out of the front assembly, this is how they go back in:
Front lens is the largest with concave facing to back of lens      (
Center element has the concave facing the lens front                )
Rear ( smallest ) also has concave facing front of lens               )

Once these are in place, its just a matter of lining up the 3 screw holes up front and snugging the screws.
Hope this helps !
Canon T3i
18-55 kit lens, 50mm f1.8, ef 35-70, ef 35-80 w/macro mod, Tamron  SP 70-300mm Di VC USD

Offline Dodger357ml

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Re: 35-80 zoom iii
« Reply #2 on: July 12, 2013, 09:28:16 PM »
Thanks for the help. Turns out I was working with a lens that was broken. The zoom elements are all loose. (Broken). They move independent of where the zoom ring is, point the camera up and it falls backwards point it down and .....

Offline Dazzlin Dave

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Re: 35-80 zoom iii
« Reply #3 on: July 13, 2013, 12:45:47 AM »
Not sure if this will help, but its all I can find right now.
http://allphotolenses.com/public/files/pdfs/2678849ec46af2a434c5ad79fd044100.pdf
Canon T3i
18-55 kit lens, 50mm f1.8, ef 35-70, ef 35-80 w/macro mod, Tamron  SP 70-300mm Di VC USD