I have been thinking of posting a related question. When you determine
the per lens focus adjustment for a lens on one camera, does that number
tend to work on another camera, perhaps with a slight offset.
For example if on camera 1 you have
lens A +5
lens B +2
lens C -1
would you use the
The adjustments would only be similar if the two cameras were
absolutely the same. Tolerances will be different from body to body
and lens to lens, so you'd want to calibrate each lens to each body.
On Thu, Mar 17, 2016 at 7:03 PM, Larry Colen wrote:
> I have been thinking of
Rick, my 16-45 seems soft on my K-5 and k10d but it was very good on
my istd. Still confused over this.
Dave
On Thu, Mar 17, 2016 at 5:37 PM, Rick Womer wrote:
> I am trying to sort out soft focus on my K-5 (especially with my 16-45/4
> lens), and would appreciate some
On 3/18/2016 9:01 AM, Mark Roberts wrote:
David J Brooks wrote:
On Thu, Mar 17, 2016 at 11:36 PM, Bill wrote:
Gentlemen, remember that with the K5, the AF accuracy can be thrown off
tremendously by the colour of the subject.
Sort of the Donald Trump of cameras
I had one of the K5s that was so out of spec that nothing could fix the
AF. I did the software upgrades, hoping that they would fix the AF, but
it turns out the hardware was too flaky.
Mine was so bad that even in broad daylight, the AF would vary depending
on the subject matter.
The only way I
I have a hell of a time getting a decent shot from live view so no
thoughts on your problem here.
Dave
On Fri, Mar 18, 2016 at 8:36 AM, Rick Womer wrote:
> The strangest things about these AF experiments are:
>
> 1. Front-focusing on LiveView, which (I thought) sought to
Well, I have done a good deal of web research and experimentation.
First, and most importantly, since I use the viewfinder for 99+
percent of my shooting, I adjusted the AF for the viewfinder for my
three most-used lenses (16-45, 40 Ltd, 50-200). It is much better,
thank you.
Second, the K-5
Rick,
I am not sure. I can speculate that the difference could come from:
1) method of AF (isn't it different from LV and through viewfinder, - I
forgot how it is for K5/K3).
2) number of sensor points used in the two cases.
Also, Bill (or somebody else?) mentioned in this thread that some
On 3/18/2016 1:51 AM, Larry Colen wrote:
Bill wrote:
Gentlemen, remember that with the K5, the AF accuracy can be thrown off
tremendously by the colour of the subject.
The AF on the K5 is like a whore turning her first trick.
It hasn't yet become jaded and bored by the whole process?
That's what's nice about the K-5II it's Pentax Auto Focus that mostly
works. Mostly.
On 3/18/2016 8:22 AM, Bill wrote:
On 3/18/2016 1:51 AM, Larry Colen wrote:
Bill wrote:
Gentlemen, remember that with the K5, the AF accuracy can be thrown off
tremendously by the colour of the subject.
Bill wrote:
Gentlemen, remember that with the K5, the AF accuracy can be thrown off
tremendously by the colour of the subject.
The AF on the K5 is like a whore turning her first trick.
It hasn't yet become jaded and bored by the whole process?
--
Larry Colen l...@red4est.com (postbox
I noticed similar with my 16-45 and K-5. It was my favorite lens on
my K100D Super, and on the K-5, it lost it's luster.
Most likely due to the extra 10 megapixels to see the flaws, and it
makes a tripod even more critical for clean shots.
On Thu, Mar 17, 2016 at 5:47 PM, David J Brooks
MARK!
Bill wrote on Thu Mar 17 23:36:51 EDT 2016:
The AF on the K5 is like a whore turning her first trick.
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Gentlemen, remember that with the K5, the AF accuracy can be thrown off
tremendously by the colour of the subject.
The AF on the K5 is like a whore turning her first trick.
--
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Larry,
I do not know what is _typical_ for different Pentax cameras and lenses,
but from the general point of view, I fully agree with what David wrote.
Think about it this way: you have a set of deviation parameters
for the camera C1= {c1, c2, c3,c4, c5... }, and then a set of "coupled"
On Thu, Mar 17, 2016 at 11:36 PM, Bill wrote:
> Gentlemen, remember that with the K5, the AF accuracy can be thrown off
> tremendously by the colour of the subject.
Sort of the Donald Trump of cameras then
Dave
> The AF on the K5 is like a whore turning her first
The strangest things about these AF experiments are:
1. Front-focusing on LiveView, which (I thought) sought to maximize the
contrast of the image on the sensor, and thus should be IN FOCUS regardless of
the lens in use; and
2. The 16-45 front-focusing with LiveView, and back-focusing with
On 3/18/2016 8:23 AM, Bill wrote:
On 3/18/2016 9:01 AM, Mark Roberts wrote:
David J Brooks wrote:
On Thu, Mar 17, 2016 at 11:36 PM, Bill
wrote:
Gentlemen, remember that with the K5, the AF accuracy can be thrown off
tremendously by the colour of the subject.
David J Brooks wrote:
>On Thu, Mar 17, 2016 at 11:36 PM, Bill wrote:
>> Gentlemen, remember that with the K5, the AF accuracy can be thrown off
>> tremendously by the colour of the subject.
>
>Sort of the Donald Trump of cameras then
Mark!
;-)
--
Mark Roberts -
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