On 11/04/2011 5:09 AM, Paul Stenquist wrote:
Although without any indicators in the foreground or background, how can one
tell whether the camera is front focusing or back focusing? With a chart that
is at 45 degrees to the camera, you have a scale to work with. And as long as
the chart has a
> or
>
> http://tinyurl.com/6e4yng
>
> Rick
> http://photo.net/photos/RickW
>
>
> --- On Mon, 4/11/11, Paul Stenquist wrote:
>
>> From: Paul Stenquist
>> Subject: Re: Focus chart help, please
>> To: "Pentax-Discuss Mail List"
>&g
o.net/photos/RickW
--- On Mon, 4/11/11, Paul Stenquist wrote:
> From: Paul Stenquist
> Subject: Re: Focus chart help, please
> To: "Pentax-Discuss Mail List"
> Date: Monday, April 11, 2011, 7:09 AM
>
> On Apr 11, 2011, at 12:49 AM, Christine Aguila wrote:
&
> The clock can show that you're not achieving good focus, but it
> can't tell you which way to go with the adjustment.
> Paul
OTOH you can always know how much time you have wasted :)
kris
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On Apr 11, 2011, at 12:49 AM, Christine Aguila wrote:
>
> - Original Message - From: "William Robb"
>
>>
>> I use a similar method to yours for dialing in lenses. I focus on an object
>> (in my case a clock dial) at some distance from the camera using center
>> point AF, and I then
- Original Message -
From: "William Robb"
I use a similar method to yours for dialing in lenses. I focus on an
object (in my case a clock dial) at some distance from the camera using
center point AF, and I then adjust AF by how well what I was focusing on
is in focus.
Thanks fo
On 09/04/2011 8:27 PM, Paul Stenquist wrote:
I can't help with the Kx, as I don';t have one, but I would strongly advise
against using any of the focus charts out there in favour of adjusting the
focus against a real world (and real world distance) object.
Unless you are using a flat field len
On Apr 9, 2011, at 9:18 PM, William Robb wrote:
> On 08/04/2011 2:56 PM, Sam L wrote:
>> Hi all,
>>
>> I have a K-x that seems to me to always be just a little soft
>> focusing. I'd like to finally get around to testing it a little
>> scientifically. To that end I have downloaded the focus cha
On 08/04/2011 2:56 PM, Sam L wrote:
Hi all,
I have a K-x that seems to me to always be just a little soft
focusing. I'd like to finally get around to testing it a little
scientifically. To that end I have downloaded the focus charts etc
from
http://regex.info/blog/photo-tech/focus-chart
I kno
Sam,
For each lens you have to make separate test(s).
For 18-55mm and 55-300 mm lenses you can either make the tests for the
focal length you use most
(say, 28mm for the kit lens and 70mm for the tele); or choose a mid
value for each zoom as if they were primes at that focal length.
For the 40mm,
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