Back focus with the 20X IS HD lens ? at DVinfo.net

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Canon XL H Series HDV Camcorders
Canon XL H1S (with SDI), Canon XL H1A (without SDI). Also XL H1.


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Old April 25th, 2006, 12:00 PM   #1
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Back focus with the 20X IS HD lens ?

I'm a happy new user of the Canon XL-H1! But the notion of back focus is new for me (I've got a GL1 and a FX1 before).

So, is it necessary to adjust the back focus with the lens delivered with the camcorder, or is it only for the other lenses or the EF adapter ?
You may say that I've got to try, in order to see if I obtain a better sharpness, but I don't want to take the risk to put it out...

Thank you!
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Old April 25th, 2006, 12:43 PM   #2
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Yeah, you need to set it - in fact, every time you remove it you need to do it again - but once you have that lens' setting in memory, the camera will do it automatically... it's easy to set up in about a minute, just follow the instructions..
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Old April 26th, 2006, 02:41 AM   #3
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All right, Thank you Steve!
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Old May 6th, 2006, 09:31 AM   #4
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When activating the back focus setting my wievfinder went very dark (I was indoors). Don't know why. Had to increase the light a bit to be able to see anything except darkness. (Shutter and aperture controls had no effect.)

Use both PEAKING and MAGNIFYING button ON to be able to set the best possible sharpness, especially at wide.

Otherwise it was easy. I couldn't see it changed the factory setting of my combination anyway but better to be on the safe side.
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Old December 18th, 2006, 04:05 PM   #5
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Sorry for sounding thick but where's the info for the back focus setting
Thanks
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Old December 18th, 2006, 04:25 PM   #6
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Hi Ian,

Its quite easy to find it in the manual. If I remember right page 24.

Regards

Mick
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Old December 19th, 2006, 06:29 AM   #7
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thanks Mike

Iam still a bit unsure, i will give you a call

Thanks
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Old December 19th, 2006, 07:31 AM   #8
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Flange back adjustment needs to be done only one time per lens.

See these previous discussion threads for more information about this topic:

http://www.dvinfo.net/conf/showthread.php?t=66900

and

http://www.dvinfo.net/conf/showthread.php?t=79328

Hope this helps,
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Old December 19th, 2006, 10:52 AM   #9
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Quote:
Originally Posted by Ian Thomas
thanks Mike

Iam still a bit unsure, i will give you a call

Thanks

I'll expect the call. I only know what I read in the manual and on the forum and then followed the instructions.

regards

Mick
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