Monthly Archives: January 2014

Repairing 50mm F1.4

Posted on 2014. January 22. by canonrepair

this lens is a little bit too sensitive – after a certain time the inner barral will have an increased backlash – which will cause a less accurate focusing. the solution: You have to change the cam followers. Here are … Continue reading →

Posted in General topics | 3 Comments

In lens focus microadjustment

Posted on 2014. January 19. by canonrepair

In lens focus microadjustment – is it possible? Of course it is. In fact, each lens of each type is a little bit different from the averedge lens – so the camera will react different with the autofocus. As  You … Continue reading →

Posted in General topics | 11 Comments

About Canon lens microadjustment

Posted on 2014. January 19. by canonrepair

http://www.learn.usa.canon.com/resources/articles/2011/af_microadjustment_article.shtml

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About the Canon autofocus system

Posted on 2014. January 19. by canonrepair

I have found a very interesting discussion about the Canon focus adjustment system. here is the link, and if from any reasons it’s not working, here is the text too: http://www.openphotographyforums.com/forums/showthread.php?p=109296

Posted in General topics | 1 Comment

CMOS adjustment – calculator update (2023)

Posted on 2014. January 18. by canonrepair

If You want to use the cmos adjustment calculator, here You have the excel sheet.Try to understand it’s logic – after that the calculation will be easy: The newer cameras have a special CMOS (sensor) adjustment: sensor is sitting on … Continue reading →

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Error codes in EOS DSLR

Posted on 2014. January 14. by canonrepair

Here is the source: http://www.canonrumors.com/forum/index.php?topic=8194.0 and here the text (right or not – I didn’t checked yet):

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Screws with destroyed head

Posted on 2014. January 2. by canonrepair

This time I disassembled a 70-200 f2.8. better to say: I wanted to, because one of the two screws on the zoom barrel has been destroyed immediately after the first trial. The material is two soft, and the screw is … Continue reading →

Posted in General topics | 1 Comment

Canon 7d – search for the screws!

Posted on 2014. January 2. by canonrepair

I repaired only 5 pieces of 7d cameras. Some of them were giving no sign of life at all, others sometimes worked normal, sometimes not. But there was one common point in all of this cases: there was a free … Continue reading →

Posted in 7d, General topics | 14 Comments