Focusing screen not square (450d/XSi)

Started May 21, 2013 | Discussions thread
meland
Senior MemberPosts: 3,300
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Re: Focusing screen not square (450d/XSi)
In reply to AnthonyL, May 22, 2013

AnthonyL wrote:

WilbaW wrote:

I'd try it on a tripod so that you can be sure it's not you tilting the camera when you press the shutter button.

Tripod makes no difference.  The dots don't align exactly with the squares.

It's easy to remove and replace the focus screen in a 450D if you know what you're doing, but yeah, daunting the first time and easy to mess up. 

I don't know if replacing would make a difference, I was hoping to rotate.

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Check out the unofficial Rebel Talk FAQ - http://snipurl.com/RebelFAQ

Do you have the full URL for the RebelFAQ site - Firefox is warning me against going to that URL, presumably because snipurl has been used for linking to some dodgy sites?

If you do a google search on "Focusing screen in Canon not aligned" or similar you will see that this is a fairly common issue, especially on the Rebel / xxx class models and I'm not sure there is much that can be done about correcting it I'm afraid.

You could use the frame of the focussing screen for lining up horizontals perhaps rather than relying on the AF points, as this should be aligned correctly even if the focussing screen with its etched AF points are slightly out.

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