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Peter Gilabert

Taking apart a Meteor 17-69mm Zoom Lens

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I had some pretty bad fungus on this bayonet lens so I figured I didn't have much to lose by disassembling it.

To my surprise I got it open and cleaned the fungus right off.

4 little rear elements popped out too and I think I put them back in the right order but the focusing isn't sharp at all.

I think this things been dropped at some point as I see evidence, also I hear a slight movement click if it's set anywhere but at 17mm tight.

The 4 small lenses have the inscriptions k,k, backwards N I think and what looks an I and L.

I think I've tried all permutations but maybe there's something deeper that's loose.

Any suggestions welcome.

(besides getting another lens, have that covered :) )

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Oops! Yes nothing worse than elements falling out so you don't know which way they go back. It's very tricky getting them back without dust and fingerprints all over them too. A small suction cup can help.


There are a lot of combinations of 4 elements if you also don't know which surface faces forward. Were there also spacers between some elements?


You might find a diagram somewhere - maybe someone like Olex Kolynychenko, who sometimes posts here, would have one if you PMed him.


The click in the zoom is probably play in a cam track, shouldn't cause a total loss of sharpness. Most likely you just have the rear elements out of order or backwards or not properly spaced. Welcome to the world of lens repair!

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Thanks for the ideas. I'll try Olex. 24 different orders plus which way they face is a lot of combinations, although some don't fit behind others (no spacers)

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Olex sent me a scheme that's pretty accurate once I understood it. This one seems off but hey thanks anyway.

I actually finally put them in right so I'm good to go!

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