K3 iii menu question: viewing histogram and focus peaking

**rvandenbrink** · 10-02-2022, 07:05 AM

On my KP, you can’t display the histogram while focus peaking is enabled. it’s a mystery why, but on a retired model “it is what it is”. Great I said, if I can do that on the K3iii there’s one more reason to upgrade (yes, I’m compiling a list, with reasons on one side and dollars on the other)
I was surprised that this limit is still there (pg 64 of the manual), unless maybe it’s been fixed in subsequent firmware updates?

Does anyone have thoughts (or actual reasons even) on why these two functions seem to be mutually exclusive?

kypfer · 10-02-2022, 09:11 AM - **1 Like**

My guess … the camera analyses what's on the screen for the histogram … any focus peaking would skew the histogram … pure guesswork, would be happy to know better

Hint :- if you set up Focus Peaking as an option on the control panel you can switch from one to the other fairly promptly

Adam · 10-02-2022, 09:51 AM

The histogram and focus peaking are also mutually exclusive on the K-3 III, at least with the current firmware. My guess is that they did it sinply to remove clutter.

AfterPentax Mark II · 10-02-2022, 01:22 PM

Or maybe because they changed the way focus peaking works with the KP and K-3 Mark III? With the older K-3 Mark II and my K-01 I could push down the exposure button and focus and focus peaking (and histogram of course) worked, both in AF and MF. But with the KP and the K-3 Mark III I can only enjoy focus peaking as long as I do not push the exposure button when using MF. As soon as I push the exposure button focus peaking is switched off. So the lightmeter does not work when using focus peaking is possible in MF, hence no histogram possible. That makes a little bit sense. But in AF?
Focus peaking prevails, if you have activated histogram and overexposure warning and then activate focus peaking, histogram and overexposure warning are automatically switched off. Maybe it is a way to reduce power consumption? Or maybe protection to overheating the sensor? Your guess is as good as mine.

**ramseybuckeye** · 10-02-2022, 04:51 PM

I would guess they are using some component, circuit, or process that does not multi task. Just a guess.

**Larrymc** · 10-02-2022, 08:16 PM

Originally posted by rvandenbrink

On my KP, you can’t display the histogram while focus peaking is enabled. it’s a mystery why, but on a retired model “it is what it is”. Great I said, if I can do that on the K3iii there’s one more reason to upgrade (yes, I’m compiling a list, with reasons on one side and dollars on the other)
I was surprised that this limit is still there (pg 64 of the manual), unless maybe it’s been fixed in subsequent firmware updates?

Does anyone have thoughts (or actual reasons even) on why these two functions seem to be mutually exclusive?

Well if you compile a list there will always be a reason why you won't buy the Mk III. To me that is a futile exercise.

**rvandenbrink** · 10-03-2022, 06:00 PM

Originally posted by Larrymc

Well if you compile a list there will always be a reason why you won't buy the Mk III. To me that is a futile exercise.

I’m hoping that if I delay long enough I’ll be “forced” to buy the next model. The next purchase is a 100mm macro, then a new body sometime next year

10-02-2022, 07:05 AM	#1
rvandenbrink Loyal Site Supporter Join Date: Apr 2021 Location: Stratford Ontario Photos: Gallery Posts: 256	K3 iii menu question: viewing histogram and focus peaking On my KP, you can’t display the histogram while focus peaking is enabled. it’s a mystery why, but on a retired model “it is what it is”. Great I said, if I can do that on the K3iii there’s one more reason to upgrade (yes, I’m compiling a list, with reasons on one side and dollars on the other) I was surprised that this limit is still there (pg 64 of the manual), unless maybe it’s been fixed in subsequent firmware updates? Does anyone have thoughts (or actual reasons even) on why these two functions seem to be mutually exclusive?

10-02-2022, 09:51 AM	#3
Adam Administrator Site Webmaster Join Date: Sep 2006 Location: Arizona Photos: Gallery \| Albums Posts: 51,593	The histogram and focus peaking are also mutually exclusive on the K-3 III, at least with the current firmware. My guess is that they did it sinply to remove clutter. Adam PentaxForums.com Webmaster (Site Usage Guide \| Site Help \| My Photography) PentaxForums.com server and development costs are user-supported. You can help cover these costs by donating or purchasing one of our Pentax eBooks. Or, buy your photo gear from our affiliates, Adorama, B&H Photo, KEH, or Topaz Labs, and get FREE Marketplace access - click here to see how! Trusted Pentax retailers:

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10-02-2022, 09:11 AM - 1 Like	#2
kypfer Pentaxian Join Date: Jan 2018 Location: Jersey C.I. Posts: 3,588	My guess … the camera analyses what's on the screen for the histogram … any focus peaking would skew the histogram … pure guesswork, would be happy to know better Hint :- if you set up Focus Peaking as an option on the control panel you can switch from one to the other fairly promptly

10-02-2022, 01:22 PM	#4
AfterPentax Mark II Pentaxian Join Date: Mar 2021 Posts: 1,458	Or maybe because they changed the way focus peaking works with the KP and K-3 Mark III? With the older K-3 Mark II and my K-01 I could push down the exposure button and focus and focus peaking (and histogram of course) worked, both in AF and MF. But with the KP and the K-3 Mark III I can only enjoy focus peaking as long as I do not push the exposure button when using MF. As soon as I push the exposure button focus peaking is switched off. So the lightmeter does not work when using focus peaking is possible in MF, hence no histogram possible. That makes a little bit sense. But in AF? Focus peaking prevails, if you have activated histogram and overexposure warning and then activate focus peaking, histogram and overexposure warning are automatically switched off. Maybe it is a way to reduce power consumption? Or maybe protection to overheating the sensor? Your guess is as good as mine.

10-02-2022, 04:51 PM	#5
ramseybuckeye Site Supporter Join Date: Apr 2009 Location: Hampstead, NC Photos: Gallery Posts: 17,288	I would guess they are using some component, circuit, or process that does not multi task. Just a guess.

10-02-2022, 08:16 PM	#6
Larrymc Site Supporter Join Date: Jun 2014 Location: Mississippi, USA Posts: 5,251	Originally posted by rvandenbrink On my KP, you can’t display the histogram while focus peaking is enabled. it’s a mystery why, but on a retired model “it is what it is”. Great I said, if I can do that on the K3iii there’s one more reason to upgrade (yes, I’m compiling a list, with reasons on one side and dollars on the other) I was surprised that this limit is still there (pg 64 of the manual), unless maybe it’s been fixed in subsequent firmware updates? Does anyone have thoughts (or actual reasons even) on why these two functions seem to be mutually exclusive? Well if you compile a list there will always be a reason why you won't buy the Mk III. To me that is a futile exercise.

10-03-2022, 06:00 PM	#7
rvandenbrink Loyal Site Supporter Join Date: Apr 2021 Location: Stratford Ontario Photos: Gallery Posts: 256 Original Poster	Originally posted by Larrymc Well if you compile a list there will always be a reason why you won't buy the Mk III. To me that is a futile exercise. I’m hoping that if I delay long enough I’ll be “forced” to buy the next model. The next purchase is a 100mm macro, then a new body sometime next year

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