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Another strange bug with D4, possibly D800!?!?

Started 3 months ago | Discussion thread

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Roland Schulz

Regular Member • Posts: 448

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"AF lock only" mustn´t have anything to do with exposure

In reply to Robin Casady, 3 months ago

Robin Casady wrote:

If you are using Matrix Metering, the area under the AF box will be considered to medium value (18% grey) and this weighs more heavily on exposure calculation with the D4 and D800 than on previous models. Since exposure is not locked when you recompose, exposure is recalculated with the new AF spot.

--
Robin Casady
http://www.robincasady.com/Photo/index.html

No, mustn´t have anything to do with this, even tried it this minute with blocking an area even larger than 18% around the selected AF sensor. Exposure still changes heavily when letting the AF-ON button off after recomposing. In this setting AF lock mustn´t have anything to do with exposure, right??

The function is called "AF lock only" in the EN manual. The description is: "Focus locks while the AF-ON button is pressed". Nothing about exposure here.

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Post (hide subjects)	Posted by	When
Another strange bug with D4, possibly D800!?!?	Roland Schulz	3 months ago	1
Re: Another strange bug with D4, possibly D800!?!?	Robin Casady	3 months ago
Re: Another strange bug with D4, possibly D800!?!?	michaeladawson	3 months ago
Mike understands right, another explaination...	Roland Schulz	3 months ago
"AF lock only" mustn´t have anything to do with exposure	Roland Schulz	3 months ago
Re: Another strange bug with D4, possibly D800!?!?	John Harrison	3 months ago
Re: Another strange bug with D4, possibly D800!?!?	Roland Schulz	3 months ago
Re: Another strange bug with D4, possibly D800!?!?	John Harrison	3 months ago
Re: Another strange bug with D4, possibly D800!?!?	Roland Schulz	3 months ago
Could anyone verify this with your D4 please?	Roland Schulz	3 months ago
Re: Could anyone verify this with your D4 please?	Canadianguy	3 months ago
Re: Another strange bug with D4, possibly D800!?!?	nguyenlang	3 months ago
It's only about AF-lock, but exposure is also affected	Roland Schulz	3 months ago
Re: It's only about AF-lock, but exposure is also affected	teodorian2	3 months ago
question.	lock	3 months ago
Re: question.	Roland Schulz	3 months ago
Re: question.	lock	3 months ago
Re: question.	Roland Schulz	3 months ago
This is exactly as expected!	lock	3 months ago	1
Re: This is exactly as expected!	Roland Schulz	3 months ago
Why don't you try it ?	lock	3 months ago
Re: Another strange bug with D4, possibly D800!?!?	michaeladawson	3 months ago
to Mike...	Roland Schulz	3 months ago
Can confirm with D800, not D4	michaeladawson	3 months ago
are metering modes the same on d4 and d800?	lock	3 months ago
Re: are metering modes the same on d4 and d800?	Roland Schulz	3 months ago
you do not understand what i am saying.	lock	3 months ago
Re: you do not understand what i am saying.	Roland Schulz	3 months ago
Primarily, it is caused by matrix metering, not Af on.	lock	3 months ago
Re: Can confirm with D800, not D4	Roland Schulz	3 months ago
'lock' called it	michaeladawson	3 months ago
The undocumented 'features'	lock	3 months ago
Workaround...	Roland Schulz	3 months ago
Re: Another strange bug with D4, possibly D800!?!?	Zardoz	3 months ago
Nikon Germany verified this and escalate it now...	Roland Schulz	3 months ago
Re: It is the same on my D700	NilsPetter	3 months ago
Yes, D3 also had that "bug" ;-)!	Roland Schulz	3 months ago
try this	jeminijoseph	3 months ago
Re: try this	Roland Schulz	3 months ago
It works if you set a8 to the first option.	lock	3 months ago
Re: It works if you set a8 to the first option.	Roland Schulz	3 months ago
That's ok.	lock	3 months ago
Re: try this	jeminijoseph	3 months ago
It is by design for matrix metering	Marianne Oelund	3 months ago	1
Re: It is by design for matrix metering	Roland Schulz	3 months ago
Re: It is by design for matrix metering	jdhill66	3 months ago	1
Re: It is by design for matrix metering	Roland Schulz	3 months ago
Re: It is by design for matrix metering	jdhill66	3 months ago
No.	lock	3 months ago
Re: No.	Roland Schulz	3 months ago
Just a small story, Roland	lock	3 months ago
Solution and Explanation	hendrikm2	3 months ago
Re: Another strange bug with D4, possibly D800!?!?	Peter Damroth	3 months ago
Re: Another strange bug with D4, possibly D800!?!?	Roland Schulz	3 months ago
Re: Another strange bug with D4, possibly D800!?!?	ssmumich00	3 months ago
No, it did not	lock	3 months ago

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