D800 fine focus adjust 🤔

Started 4 months ago | Discussions thread
OP Giovanni_1968 Veteran Member • Posts: 3,076
Re: D800 fine focus adjust 🤔

Leonard Shepherd wrote:

Giovanni_1968 wrote:

I repeated the test with some rough DIY, an aluminum straight profile with a piece of black taper as a target for the AF system then the ruler aligned on the 20 mark with the black marker and a series of shots from -20 to +20 with +- 5 increments from negative to positive.

I am satisfied this test is hardly near the standard needed for critical testing.

Now, tests aside, the fact is that in real life shooting focus is not consistent at all,

Exactly- but is it the camera - or not using a good test subject/

Let me please know what you think about it

Not much - as you have not used a set-up suitable for critical testing.

So Leonard,

you mean that this is what I should expect from my camera? Test wise I did it with what I have home just to find out if with some adjustment I could reach acceptable focus but, still, in real life usage I never had to face such issues and I have way many shots wide open where focus is spot on and where the subject is not on purpose posing so I say that after repair something is not working as it was.

The following is an example of how it used to be spot on

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Giovanni - 70% GAS affected
Nikon D800 R.I.P. - Nikon D2Xs - Fuji X-Pro1 - Fuji S5Pro - Nikon F - Nikon F3
J.A. Michell Gyrodec - Audio Research SP-9 - Aeron AP-890 - JBL4311B - JBL L220
JN70CN - 14.14.30E 40.32.40N

 Giovanni_1968's gear list:Giovanni_1968's gear list
Fujifilm FinePix S5 Pro Nikon D2Xs Fujifilm X-Pro1 Nikon D800 Nikon AF-S Micro-Nikkor 60mm F2.8G ED +19 more
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