Focusing screen not square (450d/XSi)

Started May 21, 2013 | Discussions thread
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AnthonyL OP Senior Member • Posts: 2,084
Re: Focusing screen not square (450d/XSi)
1

TTMartin wrote:

The focus screen is visible when you remove the lens.

On cameras some cameras like the 50D they are designed to be changeable.

The focus screen on the XSi it is not designed to be changable.

There is a company that makes replacement screens for the camera that has directions on how to do it.

WARNING: Focus screens are soft and scratch easily. I would not recommend messing with it.

But, if you still feel compelled to mess with it, here is a link to the directions.

http://www.katzeyeoptics.com/files/install7.pdf

Mmm - well apart from the risk of damage I'm not convinced that I could take it out and put it back with any more accuracy so I'll take your recommendation to not mess with it.  I'll try and find a better way of ensuring that verticals are vertical and horizontals are horizontal now I know I have this problem.

 AnthonyL's gear list:AnthonyL's gear list
Canon EOS 450D Canon EOS 700D Canon EF-S 10-22mm f/3.5-4.5 USM Canon EF-S 55-250mm f/4-5.6 IS Canon EF-S 18-55mm f/3.5-5.6 IS STM +2 more
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