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Question about shaving 5d mirror
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PostPosted: Tue Aug 24, 2010 7:41 pm    Post subject: Question about shaving 5d mirror Reply with quote

Soon, I will be getting a used 5d and I know I will have to shave its mirror, since I own alt. glasses that will hit it at infinity. Of course, this is a rather dangerous affair and I have two major concerns.
1) What is the worst that can happen if some of that nasty dust (shaved plastic, glass or whatever) gets into the body?
2)How much can I shave (in mm) before I will see vignetting in the bottom of the viewfinder?
Thanks


PostPosted: Fri Aug 27, 2010 8:46 pm    Post subject: Reply with quote

http://forum.mflenses.com/viewtopic.php?t=13129&highlight=mirror+shaving&sid=0361efdcff65819980621126161f8357


PostPosted: Sat Aug 28, 2010 8:44 am    Post subject: Reply with quote

hello ..

please, have a look at these pictures ..

I have done this by my hand - it's easy - you can do it in your own..

If you need any help - let me know.

I'll give you some guide and also what tools you need to use..

This camera is 5D MarkII... and you need a nail file and very sharp knife -- nothing else



s


PostPosted: Sat Aug 28, 2010 8:54 am    Post subject: Re: Question about shaving 5d mirror Reply with quote

shoenberg3 wrote:
Soon, I will be getting a used 5d and I know I will have to shave its mirror, since I own alt. glasses that will hit it at infinity. Of course, this is a rather dangerous affair and I have two major concerns.
1) What is the worst that can happen if some of that nasty dust (shaved plastic, glass or whatever) gets into the body?
2)How much can I shave (in mm) before I will see vignetting in the bottom of the viewfinder?
Thanks


All I know is that the mirror on 5D (Mk I) is different from 5D MkII - I suppose that mirror shaving on 5D MkII is EASIER.

The 5D has a mirror from different material and the shape of the mirror frame is also slightly different.

You must shave about 1.5mm as a standard .. Smile
if we can call this as standard in this non-standard situation Smile

I shaved my mirror by 1.5mm and the vignetting is noticeable when using lenses such as zoom and macros -- especially macro is a good example when you getting to very close distances

otherwise - there is nothing to be worried about - for majority of your lenses, the shaving is going to be fine..

Any lens up 100 mm (non macro) doesn't limit you in view ..