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Re: [OM] Focus Accuracy Test - Oh what misery we bring upon ourselves

Subject: Re: [OM] Focus Accuracy Test - Oh what misery we bring upon ourselves
From: Ken Norton <ken@xxxxxxxxxxx>
Date: Sun, 15 Aug 2010 19:20:17 -0500
Well, using the usaf chart, focusing is REALLY easy because the
pattern aliases when in focus. This is like taking steak from a vegan.

So, I now have usaf charts at one meter intervals from 1 to 10. For
DoF comparison, do you have a preference distance for me to focus at?

AG

On Sunday, August 15, 2010, Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx> wrote:
> It was my contention that, using a 24mm lens wide open at 5 meters that
> you can't diffrentiate sharp focus between 5 and 6 meters even using a
> 10X live view.
>
> Chuck Norcutt
>
>
> Ken Norton wrote:
>> Please tell me what we are trying to accomplish with this test? If
>> it's to prove that I know how to focus a camera you all can go pack
>> sand.
>>
>> AG
>>
>> On Sunday, August 15, 2010, Moose <olymoose@xxxxxxxxx> wrote:
>>>   On 8/15/2010 4:49 AM, Ken Norton wrote:
>>>>> Bigger, better, vertical target, please.
>>>> But wouldn't that make the job of focusing easier?
>>> OK, so focus as before, then have your assistant place the target at the 
>>> focal distance, so it's still a stringent test
>>> of focusing and so it's easy to judge success or failure.
>>>
>>> Moose
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>>
> --
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>

-- 
Ken Norton
ken@xxxxxxxxxxx
http://www.zone-10.com
-- 
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