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koji
Joined: 21 Jul 2008
Posts: 2106
Location: Hiroshima, Japan
Expire: 2012-12-27
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 Posted: Wed Dec 10, 2008 7:05 pm Post subject: EOS 5D mirror shaving |
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koji wrote:
I finally started my 5D's mirror shaving today,
Alas! it was a near disaster! 
I made a crack to the mirror, it seems no problem so far.
Lesson> Do not haste, go slowly.
I wont finish mirror shaving until I shave 3mm across,
but my confidence was shattered with my mirror!!!! 
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Last edited by koji on Wed Dec 10, 2008 8:54 pm; edited 1 time in total |
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Attila
Joined: 24 Feb 2007
Posts: 57865
Location: Hungary
Expire: 2025-11-18
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| Posted: Wed Dec 10, 2008 7:08 pm Post subject: |
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Attila wrote:
Not easy to decide to make changes on a high value item like this, congrats!
I wish to see some new samples taken by you with those lenses what you can't use till this surgery.
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koji
Joined: 21 Jul 2008
Posts: 2106
Location: Hiroshima, Japan
Expire: 2012-12-27
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| Posted: Wed Dec 10, 2008 7:37 pm Post subject: |
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koji wrote:
Do not wary too much, CANON replaces the mirror around $250.
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Attila
Joined: 24 Feb 2007
Posts: 57865
Location: Hungary
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| Posted: Wed Dec 10, 2008 7:39 pm Post subject: |
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Attila wrote:
Good to know, so go people shave mirror and start to use many MF lenses 
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Items on sale on Ebay
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poilu
Joined: 26 Aug 2007
Posts: 10472
Location: Greece
Expire: 2019-08-29
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| Posted: Wed Dec 10, 2008 8:28 pm Post subject: |
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poilu wrote:
good luck!
it is a good training as the 5DII have the same problem
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Mal1905
Joined: 30 Oct 2008
Posts: 1705
Location: Dublin, Ireland
Expire: 2011-11-18
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| Posted: Wed Dec 10, 2008 8:38 pm Post subject: |
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Mal1905 wrote:
You're a far braver man than I am - have been considering the option of shaving the mirror but may hold off for another while!
Hope the finished result is worth the effort |
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Carlsson
Joined: 26 Jul 2008
Posts: 793
Location: Portugal
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| Posted: Wed Dec 10, 2008 9:47 pm Post subject: |
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Carlsson wrote:
sorry to hear koji.
what kind of tools did you use?
If I remember well, Orio has used grinding paper, I decided to use a dremel, to avoid additional dust from the paper.
But the right rotation speed is the key, to slow - lots of vibrations, which can crack the mirror.
Had to do it five times, first one enabled the distagon 2.0 28, third one the distagon 18 and finally the fifth was successfull for my distagon 15 (~3.5mm). Thrilling...
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peterqd
Joined: 28 Feb 2007
Posts: 7448
Location: near High Wycombe, UK
Expire: 2014-01-04
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| Posted: Wed Dec 10, 2008 10:00 pm Post subject: |
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peterqd wrote:
Oh dear, hard luck! I know it can be replaced, but it's an expense you didn't expect.
Have you checked the autofocus since you cracked it Koji? Some of the light coming through the lens passes through the semi-silvered mirror for the AF sensors - I'm wondering if the crack upsets their operation.
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koji
Joined: 21 Jul 2008
Posts: 2106
Location: Hiroshima, Japan
Expire: 2012-12-27
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| Posted: Wed Dec 10, 2008 10:05 pm Post subject: |
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koji wrote:
No problemo.
I use "dremel" with diamond chip blah blah, but my mistake was
try to speed up the process I used sander type chip which broke
the mirror when I changed the angle of deremel axis almost perpendicular
to the mirror. That is NO NO!
If I use only a diamond chip one and slowly, there would be any
problem I guess. I am an impatient soul, should leant better.
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koji
Joined: 21 Jul 2008
Posts: 2106
Location: Hiroshima, Japan
Expire: 2012-12-27
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| Posted: Wed Dec 10, 2008 10:16 pm Post subject: |
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koji wrote:
I do not use AF on 5D, because no AF lens for EOS.
No that is not true, but I bought 5D for MF lenses which are
CZJ made or other manufacture such as Leica, Nikon, etc.
But I guess AF might be off now, I do not even use "chip"ed
mount adaptors. Those focus confirmation is not for me, it is
helpful I guess though. I did use this kind of adaptor, but my
focus becomes snail pace and bothersome after a while.
So I am very happy to use 5D as MF lens mother ship.
(I have a D700, D70, 350D too fortunately, and 350D's AF is also gone!)
Manual focus is my reason to shoot slowly, I do not do machine-gun
style shooting. My joy comes from manually focusing the lens,
the result is only 2% good, of course a good one gives me a smile.
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yalcinaydin
Joined: 20 May 2008
Posts: 825
Location: Izmir, Turkey
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| Posted: Wed Dec 10, 2008 10:18 pm Post subject: |
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yalcinaydin wrote:
Sorry to see it like that, this one is a scary example 
I'm planning to use sand paper but before the 5d I'll first try it on a contax and Pentacon-6 mirror. They are junk so good to practice on.
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My name is "Yalcin", and exactly "Yalçın" and here you can find my MF samples:
http://www.flickr.com/photos/yalcinaydin/sets/
Right now switching back to AF because of work needs but I still love the MF lenses  |
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peterqd
Joined: 28 Feb 2007
Posts: 7448
Location: near High Wycombe, UK
Expire: 2014-01-04
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| Posted: Wed Dec 10, 2008 10:34 pm Post subject: |
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peterqd wrote:
| koji wrote: |
| Manual focus is my reason to shoot slowly, I do not do machine-gun style shooting. My joy comes from manually focusing the lens, the result is only 2% good, of course a good one gives me a smile. |
Me2
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koji
Joined: 21 Jul 2008
Posts: 2106
Location: Hiroshima, Japan
Expire: 2012-12-27
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| Posted: Thu Dec 11, 2008 10:34 pm Post subject: |
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koji wrote:
Saga continues.
So I almost finished the shaving.
Not really final stage (I may have to shave the side of mirror too)
Now Flektogon 25/4 can be used at inifinity
Shot by Flektogon 25/4 with mirror shaved 5D
And now I can use Flektogon 20/2.8, Flektogon 25/4, Pancolar 80/1.8, Modified
Canon FD 55/1.2 S.S.C., Modified Rokkro MC 85/1.7, CZJ 50/2.8 Tessar, etc.
EXCEPT
Modified Rokkor MC 58/1.2. UUGGHHH!!
to be continued.....
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soikka
Joined: 11 Jun 2008
Posts: 534
Location: Finland
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| Posted: Fri Dec 12, 2008 12:13 am Post subject: |
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soikka wrote:
| koji wrote: |
Saga continues.
So I almost finished the shaving.
Not really final stage (I may have to shave the side of mirror too)
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Man, that looks crazy!
Glad I haven't afford to go and buy a FF-camera...
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M-series: 28/2.8, 35/2, 40/2.8, 135/3.5, 75-150/4, A-series: 50/1.7, Super-Taks: 55/1.8, 105/2.8, S-M-C Taks: 28/3.5, 50/1.4, 85/1.8, Sigma SW2 24/2.8, Tamron SPs: 90/2.5(I), 180/2.5, 500/8, Rikenon XR 35-70/3.5, Cosinon 40/2.5, F-1.7x AF-adapter, Olympus XA |
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koji
Joined: 21 Jul 2008
Posts: 2106
Location: Hiroshima, Japan
Expire: 2012-12-27
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| Posted: Sat Dec 13, 2008 9:48 pm Post subject: |
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koji wrote:
The final shape looks like...
Yes I dug a canal too.
So I can use the most of Prakticars and MC Rokkor-PG 58/1.2 at inifinity too. This is shot with
Prakticar 50/1.4 first version whose bokeh is a bit wilder, not infinity shot tho.
I think every Prakticars can be used at infinity, but has not tested them all.
But 5D's finder is full of dust, I mean the inside finder between penta-prism and
transparent screen which you cannot take out easily. I found that Canon 5D is
not well made against DUST.
Shaving the mirror is not so difficult IMO, but the dust is hard to prevent from
getting inside of camera. (I will might buy a cheap 5D some day again.)
Now I can shoot all those Prakticars and some of CZJ made M42 lenses without
a problem, which makes me very happy even my 5D finder is very dusty. 
But the weather becomes uncooperative these days,...
The end of my mirror shaving.
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Attila
Joined: 24 Feb 2007
Posts: 57865
Location: Hungary
Expire: 2025-11-18
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| Posted: Sat Dec 13, 2008 9:51 pm Post subject: |
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Attila wrote:
Sorry about dusts!
I hope you can find some days how you able to remove that!
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koji
Joined: 21 Jul 2008
Posts: 2106
Location: Hiroshima, Japan
Expire: 2012-12-27
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| Posted: Sat Dec 13, 2008 10:30 pm Post subject: |
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koji wrote:
Don't wary, be happy. Attila
I can ask service centre to clean the finder,
of course it will cost me. 
It might be easier to buy a used 5D in a good shape!!!
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Attila
Joined: 24 Feb 2007
Posts: 57865
Location: Hungary
Expire: 2025-11-18
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| Posted: Sat Dec 13, 2008 10:45 pm Post subject: |
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Attila wrote:
But new 5D has same trouble, you can't use your collection..
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Items on sale on Ebay
Sony NEX-7 Carl Zeiss Planar 85mm f1.4, Minolta MD 35mm f1.8, Konica 135mm f2.5, Minolta MD 50mm f1.2, Minolta MD 250mm f5.6, Carl Zeiss Sonnar 180mm f2.8
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peterqd
Joined: 28 Feb 2007
Posts: 7448
Location: near High Wycombe, UK
Expire: 2014-01-04
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| Posted: Sun Dec 14, 2008 2:02 am Post subject: |
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peterqd wrote:
I thought the 5D has an interchangeable focus screen, no? I took out the focus screen on my 400D and cleaned the space using a soft camel artist's paintbrush and a short length of 6mm PVC tube taped to the nozzle of our vacuum cleaner.
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koji
Joined: 21 Jul 2008
Posts: 2106
Location: Hiroshima, Japan
Expire: 2012-12-27
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| Posted: Sun Dec 14, 2008 2:34 am Post subject: |
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koji wrote:
It does not work that way, since underneath of penta-prism there is
one layer of AF-focus point indicators. The dust is there, not between
this layer and focusing screen which is removable and cleaned already.
I do not know how to remove this extra layer, and this layer is very
soft and easily scratched (I did long time ago). This layer is also
electrically connected to camera's system I think, better not touch it.
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Carlsson
Joined: 26 Jul 2008
Posts: 793
Location: Portugal
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| Posted: Sun Dec 14, 2008 9:24 am Post subject: |
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Carlsson wrote:
Koji, i hade the same trouble after my mirror surgery.
Try this link, In my opinion it's very usefull.
http://www.ascent-design.com/photo/Clean5D/
My viewfinder looked really dusty, so I started the procedure from the link above. No pro skills needed, just patience
Only swapped the focusing screen for a new EE-S (~40$). Because I was not able to clean it perfectly. Some little spots alwyas remained on the surface.
Now my viewfinder looks like new, just two pieces of dust - I don't care.
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koji
Joined: 21 Jul 2008
Posts: 2106
Location: Hiroshima, Japan
Expire: 2012-12-27
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| Posted: Sun Dec 14, 2008 3:28 pm Post subject: |
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koji wrote:
Thank you for new information to clean extra layer!
I will try it.
Thanks again.
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koji
Joined: 21 Jul 2008
Posts: 2106
Location: Hiroshima, Japan
Expire: 2012-12-27
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| Posted: Mon Dec 15, 2008 12:02 am Post subject: |
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koji wrote:
Hey, that cleaning method works. My finder is 85% cleaner!!
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Attila
Joined: 24 Feb 2007
Posts: 57865
Location: Hungary
Expire: 2025-11-18
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| Posted: Mon Dec 15, 2008 12:15 am Post subject: |
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Attila wrote:
| koji wrote: |
| Hey, that cleaning method works. My finder is 85% cleaner!! |
COOL!
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Items on sale on Ebay
Sony NEX-7 Carl Zeiss Planar 85mm f1.4, Minolta MD 35mm f1.8, Konica 135mm f2.5, Minolta MD 50mm f1.2, Minolta MD 250mm f5.6, Carl Zeiss Sonnar 180mm f2.8
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Carlsson
Joined: 26 Jul 2008
Posts: 793
Location: Portugal
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| Posted: Mon Dec 15, 2008 3:56 pm Post subject: |
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Carlsson wrote:
well done!
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