Canon EF 50mm F1.4 Disassembly Procedure


fatigue

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Sep 26, 2005
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#1
Another step by step procedure.

Remove the screw holding the contact pins


Remove the 4 screws on the metal mount


The metal mount could not be removed totally
Must remove the black plastic cover first.


It is attached only by clip, be careful not to damage these 4 plastic clips
 

fatigue

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#2
Remove the FPC connected to the PCB


Remove the screw holding the PCB, then remove the PCB (handle carefully to avoid ESD)


Remove the 3 screws in front of the barrel


Then you can remove the front ring and focusing ring


Remove the metal switch for distance encoder
 

powergoo

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Dec 13, 2005
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#6
passing basic knowledge for DIY wannabes
 

iMac08

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#12
agree.

i think its kinda cool that people are willing and daring to do such stuff.
Cool? why 50 f1.4? Why not a 50 f1.2L? Even cooler. See how to remove red band and change to orange or purple band-canon new limited addition series?

I thought these things must be done in controlled environment to prevent dust? What they call clean room is it?
 

adeline68

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Feb 5, 2008
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#13
Cool? why 50 f1.4? Why not a 50 f1.2L? Even cooler. See how to remove red band and change to orange or purple band-canon new limited addition series?

I thought these things must be done in controlled environment to prevent dust? What they call clean room is it?
A bit OT:

Does service centers clean their lenses inside a cleanroom?
Or is there any shop that performs cleaning inside a cleanroom?
 

fatigue

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Sep 26, 2005
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#15
woah, what if some one tries it and forget how to assemble back?
There are ways to avoid forgetting the sequence: you can separate each screws, you can use my post, you can take photos of each step and so on...
Last option: contact 98151974, just don't loose any parts

then "quick quick where's that ctrl-Z key!"
Or you can quit without saving :bsmilie:

Cool? why 50 f1.4? Why not a 50 f1.2L? Even cooler. See how to remove red band and change to orange or purple band-canon new limited addition series?

I thought these things must be done in controlled environment to prevent dust? What they call clean room is it?
you don't need to dismantle a lens just to hide/change the red ring.
Use gaffer tape or other colored tape ;)
May I ask, why would somebody hide the red ring when it's obvious that you're using an L lens? In fact, I know some guys who puts a red tape on their ordanary lens to make it look like an "L"

well, i'm sure they are expected to.
try searching for the word "cleanroom" in this forum
 

fatigue

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#18
Sorry but why...? You doing for experiment?
The lens got fungus. Need to access the inner parts to clean

Why post?
1. Passing basic knowledge for DIY wannabes
2. I'm just like other photographers here. Some shoot models, some shoot insects, some shoot landscape and so on. Me, I shoot what's inside the lens. :)

There are a lot of good photographers here that if I post my ordinary shots, nobody will pay attention. With this kind of post, some DIY wannabes will pay attention
 

Frijj

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May 1, 2006
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#19
Good job bro! Thanks for sharing!
 

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