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09-20-2016, 01:36 AM   #16
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I always start a new lens-body combination with AF testing and normaly fine tuning. Except for the Sigma 8-16 all lenses had to be fine tuned with all bodies. Less for the K-1 than with previous bodies, but still.

09-20-2016, 04:44 PM   #17
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No adjustments needed.
09-21-2016, 04:47 AM   #18
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Ok, so I tested more lenses on the K-1 and these are the results:

DFA 24-70: +10 and I am not totally happy with the result, seems that there is a difference between 24 mm and 70 mm, so the deviation seems not consistent...
FA 77: +10
DA* 300: +5
DA* 300 and 1.4 TC: +5; the camera actually regards this as a separate lens, so you can calibrate it, pretty neat!
DA 12-24: +10

So this is not very reassuring for me, especially as I am not totally happy about the 24-70 focus accuracy with the +10 adjustment...
09-21-2016, 07:48 PM   #19
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You should expect to fine adjust every lens you own for optimal performance. That is why it is user adjustable. It would be a mistake to buy any camera and expect its performance tolerances to match those of your lenses.

09-21-2016, 11:23 PM - 1 Like   #20
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QuoteOriginally posted by mikeSF Quote
You should expect to fine adjust every lens you own for optimal performance. That is why it is user adjustable. It would be a mistake to buy any camera and expect its performance tolerances to match those of your lenses.
That is true and I completely agree with you, but now I have a lens (DFA 24-70) that I cannot get calibrated just the way I want, because I am at the max of the fine tune adjustment in the camera. I do not mind that I have to calibrate, I am very happy that I am able to fine tune .

However, I am expecting a Spyder lenscal to be delivered next week, so than I am more confident about my set-up and I will re-test all lenses and also test them on my K-5 IIs. Yesterday I just tested the lenses on a chart that I printed and folded, which is a bit less reproducible.
09-22-2016, 12:39 AM   #21
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good luck. i've heard of people swapping out their copies when that happens. hopefully you'll get it resolved.
09-22-2016, 12:07 PM   #22
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QuoteOriginally posted by Lampo Quote
DA* 300: +5
�� Ouch !

EDIT : some ajustments on target this morning
you're right : +5 for the DA300
thank's you !

Last edited by Gedeon; 09-22-2016 at 11:53 PM.
09-22-2016, 10:17 PM   #23
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I just fine adjusted all my favorite lenses on my K-1 . These are my results after repeated tests over two days using the DSLRKIT:
Pentax 77mm F1.8 limited +2
Sigma 35mm F1.4 Art -4
Samyang 24mm F1.4 -2
Rokinon 135mm F2.0 -2
Cheers.

10-02-2016, 08:01 AM   #24
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My DFA 24-70 stays easily inside the +/-10 range, but the values change between 24 and 70 mm by 8 steps. I have to admit that calibration of 24 mm is at close range, but calibrating the 70 mm end for the same distance gives me this offset. Stopping down to f/4 help, but this is an f/2.8 zoom. The DFA 70-200 works fine on both ends and in between for me.
10-02-2016, 10:49 AM   #25
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FA77 and FA43, no adjustment
FA31 +3
D FA28~105 +5 @ 70mm, but 105 is still a mess.
10-03-2016, 06:15 AM   #26
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So far the lenses I have used do not need any adjustments.
10-11-2016, 04:13 AM   #27
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It took a while to receive the Spyder Lenscal, but finally I was able to test my lenses last weekend in a more standardized way:

- DA* 300: +5
- DFA 24-70: +10
- FA 77 LTD: +10

Although it still worries me a bit that I am on the end of the fine tuning scale for two of my most used lenses, I think I will leave it like it is. Thanks to the perfect service of my Pentax dealer in the Netherlands, I have been able to swap the DFA 24-70 for a new copy that I could get right within the fine tune scale. Main reason for not sending the camera in for calibration is the fact that we do not have a service point in the Netherlands, so all cameras are send to a third party in Belgium and if they cannot fix the problem, it is being send to Pentax France. Nobody dares to guess how long this would take, but according to my dealer it would rather be several weeks than several days.

But I am confident that it is just an PDAF autofocus issue, as the camera focusses perfect with all lenses in LiveView.
10-11-2016, 08:21 AM   #28
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QuoteOriginally posted by Lampo Quote
It took a while to receive the Spyder Lenscal, but finally I was able to test my lenses last weekend in a more standardized way:

- DA* 300: +5
- DFA 24-70: +10
- FA 77 LTD: +10

Although it still worries me a bit that I am on the end of the fine tuning scale for two of my most used lenses, I think I will leave it like it is. Thanks to the perfect service of my Pentax dealer in the Netherlands, I have been able to swap the DFA 24-70 for a new copy that I could get right within the fine tune scale. Main reason for not sending the camera in for calibration is the fact that we do not have a service point in the Netherlands, so all cameras are send to a third party in Belgium and if they cannot fix the problem, it is being send to Pentax France. Nobody dares to guess how long this would take, but according to my dealer it would rather be several weeks than several days.

But I am confident that it is just an PDAF autofocus issue, as the camera focusses perfect with all lenses in LiveView.
It is a simple adjustment that the service center could do in a couple of hours. If all of your lenses are requiring +5 or more I would send the camera in and let them calibrate it. They won't need to send it to France.
10-11-2016, 04:27 PM   #29
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With over 30 lens going from M42 to KAF mounts and no truly new lens so far....No. I have had zero trouble with the focus on the K1.
10-11-2016, 05:24 PM   #30
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QuoteOriginally posted by Lampo Quote
It took a while to receive the Spyder Lenscal, but finally I was able to test my lenses last weekend in a more standardized way:

- DA* 300: +5
- DFA 24-70: +10
- FA 77 LTD: +10

Although it still worries me a bit that I am on the end of the fine tuning scale for two of my most used lenses, I think I will leave it like it is. Thanks to the perfect service of my Pentax dealer in the Netherlands, I have been able to swap the DFA 24-70 for a new copy that I could get right within the fine tune scale. Main reason for not sending the camera in for calibration is the fact that we do not have a service point in the Netherlands, so all cameras are send to a third party in Belgium and if they cannot fix the problem, it is being send to Pentax France. Nobody dares to guess how long this would take, but according to my dealer it would rather be several weeks than several days.

But I am confident that it is just an PDAF autofocus issue, as the camera focusses perfect with all lenses in LiveView.
Sure, but all your lenses had to have + adjustment, including to the maximum. You should get the camera's PDAF module re-calibrated.

This is a sample variation issue on a production line, so the experiences of others (like myself) aren't relevant to your situation.
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