Olympus-OM
[Top] [All Lists]

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: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Sun, 15 Aug 2010 21:51:33 -0400
Recall that your original comparison photos of the OM 24 and DZ 
(whatever) zoom were at 5 meters.  I maintained that you wouldn't be 
able to differentiate between 5 and 6 meters.  So, just as before, only 
5 and 6 meters required.

Fire away.

Chuck Norcutt


Ken Norton wrote:
> 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
>>>> --
>>>> _________________________________________________________________
>>>> Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
>>>> Archives: http://lists.thomasclausen.net/mailman/private/olympus/
>>>> Themed Olympus Photo Exhibition: http://www.tope.nl/
>>>>
>>>>
>> --
>> _________________________________________________________________
>> Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
>> Archives: http://lists.thomasclausen.net/mailman/private/olympus/
>> Themed Olympus Photo Exhibition: http://www.tope.nl/
>>
>>
> 
-- 
_________________________________________________________________
Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
Archives: http://lists.thomasclausen.net/mailman/private/olympus/
Themed Olympus Photo Exhibition: http://www.tope.nl/

<Prev in Thread] Current Thread [Next in Thread>
Sponsored by Tako
Impressum | Datenschutz