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Author Topic: a cheap way to check if your focus is calibrated properly or not  (Read 1779 times)

richardHaw

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a cheap way to check if your focus is calibrated properly or not
« on: March 18, 2018, 14:22:13 »
https://richardhaw.com/2018/03/18/repair-infinity-calibration-tools-pt1/

I use this more for my RF lenses. :o :o :o

I just calibrated my Zeiss using this method. it's now a Zeiss, it used to be a scheisse.
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Jacques Pochoy

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Re: a cheap way to check if your focus is calibrated properly or not
« Reply #1 on: March 18, 2018, 15:28:59 »
"I just calibrated my Zeiss using this method. it's now a Zeiss, it used to be a scheisse."

LOL ;D
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Matthew Currie

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Re: a cheap way to check if your focus is calibrated properly or not
« Reply #2 on: March 18, 2018, 15:45:36 »
It's been a long time since I had to do this but it's something I did more informally several times in the past using a focus screen from a disassembled camera (A DOA Petri I think).  In this case I was not fine tuning lenses, but just checking that they were together right after disassembly. 
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richardHaw

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Re: a cheap way to check if your focus is calibrated properly or not
« Reply #3 on: March 19, 2018, 04:51:50 »
some people prefer ground glass for this  :o :o :o
i have bad eye sight so I just use a prism ::)
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