Search results for 'back focus' - page 1188
Well what D'you know???
SDM Failure first time out, way to go Pentax! Brand new 16-50mm F2.8 SDM. Bin toying with it at home for a week or two and it seemed fine but took the KP out in preference to the Fuji today, out to the Cumbrian coast, it will not find infinity focus, if I ratchet the focus ring around to infinity i...
Posted by jules on 14/04/2017 - 16:35
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It's off back to SRS on thursday, so we'll see what they say then but I must say I at least expect a new lens (that works!), or the choice of a different lens, to a similar value. Really wishing I'd opted for the 16-85, and I could just get a couple of primes for the low light stuff in the 16-50mm r...
Posted by jules on 16/04/2017 - 09:29
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If it's any consolation Jules I sent mine back to SRS and had it back within the week, it must have spent more time in transit than on the workbench.
Posted by fatspider on 16/04/2017 - 13:15
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If it's any consolation Jules I sent mine back to SRS and had it back within the week, it must have spent more time in transit than on the workbench. That helps actually, it really does, back in the days when I was a Nikon Professional Services user, it could be six weeks before they would even asse...
Posted by jules on 17/04/2017 - 06:38
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Well 3 for 3 My second new 16-50 has sleepy autofocus, needs the old focus ring twist to wake up the AF. First one I owned suffered and SDM failure, No 2 Just wouldn't focus at all. Now we have No3 which brings me up to date. Question, does the sleepy vibe cure itself with use?
Posted by jules on 16/05/2017 - 19:53
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My 50-135 has developed the 'sleepy focus'. I hark back to a previous thread where it was suggested the issue is not the motor, but a capacitor (or capacitors) which has to fully charge to make the focus motor operate. This makes sense to me because my 50-135 'wakes' up after the camera has been s...
Posted by davidstorm on 16/05/2017 - 22:04
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Interesting David, I was just reading your post and the KP was sat on the computer desk with the 16-50 attached, where it had been since last night, so I switched it on and waited for about half a minute to try the focus and BINGO! Perfect! It had not done that for all of the previous tests where I...
Posted by jules on 17/05/2017 - 08:19
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I wonder if when you send em off to (Johnstones?) they come back with much more "alert" focusing ? Maybe they use components from this decade?
Posted by jules on 18/05/2017 - 08:44
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Lens number three, in this now trilogy is probably going back! Alternatives will be the 16-85mm and the 20-40, so can you give me your opinions on the optics in real world use of either of these two, as I think I've given the 16-50 a fair crack this time around! :twisted: Wondering if it's not some...
Posted by jules on 08/06/2017 - 17:05
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I for one will be interested too in 16 -85 (£349 3 Jan 2016 SRS) and 20 - 40 comparisons (£429 4 Jan 2017 SRS) when next as cheap as Camera Pricebusters quote. The 20 40 seems the best prospect for my late purchase K3 II (£699 before they went up). Limited funds mean I have to be patient thus disint...
Posted by wvbarnes on 08/06/2017 - 18:16
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It's on it's way back, I got SRS here in the UK to test their stock on the KP and they all do it! So thats that then, so 16-85 or 20-40? All opinions are welcome. I also have the 12-24 and the 50-135, so the Ltd would slot in nicely, however I've just picked up a bargain 21mm, which would immedi...
Posted by jules on 10/06/2017 - 23:12
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Hi Jules, I note 20 40 LTD £509 until 12th June at SRS. Not the cheapest they've done it but much better. It's on it's way back, I got SRS here in the UK to test their stock on the KP and they all do it! So thats that then, so 16-85 or 20-40? All opinions are welcome. I also have the 12-24 an...
Posted by wvbarnes on 11/06/2017 - 17:35
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Bill, the problem we have is that at £1600, they arn't going to sell, in my local Camera shop there is a second hand D500 and a 200-500mm lens, for just shy of £2300, if I shot anything moving these days thats where my money would go. I think it is inevitable that the price of a new K3 will be abov...
Posted by jules on 14/06/2017 - 11:09
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I think Jules is on the right track. The KP came in (£1099) much dearer than the K3II (even at £849 up from £699) but lower spec shutter, battery, processing speed etc. With the K1 at two grand (fair point as to its value) then the new APS-C flagship would logically be between the two. Thus the Asah...
Posted by jules on 14/06/2017 - 15:45
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[quote:3496ace15f="JAK"]What is it that anyone would want extra from a K3iii that either doesn't already exist or couldn't be added with a firmware update to the K3ii ? A focussing system with tracking / predictive performance similar to a D500, that would have stopped me switching systems. Fair eno...
Posted by Unlocker on 14/06/2017 - 18:20
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To get the right tool for the job, you have to pay for it and the D500 proves that people will pay too. Would a K-3iii make sense at D500 prices? Probably not to be honest, as part of the autofocus problem is having the lenses to keep up with it. There are plenty of reasons and options for an...
Posted by JAK on 14/06/2017 - 19:49
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It really doesn't mean much to me as I, like a lot of other Pentax users have bought into a second system purely to bypass what is possibly Pentax's only (but still major) weakness. I am lucky that I can afford 2 systems but a lot of others can't and so moved to a marque that can do what they want ....
Posted by jules on 14/06/2017 - 22:01
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You do realise that this is a MULTIPLE SDM failure thread don't you!? :D:D:D:D Yeah my third one goes back tomorrow, now I have to decide if I want to keep my 50-135mm! I simply don't need a D500 esque camera anymore the chances of me getting down to the south of the country to ever shoot an air...
Posted by jules on 14/06/2017 - 22:13
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Can't the ROM be hacked on these to make them screwdrive? -- Yep it can Algi and sometimes I feel that all lenses should still be screwdriven, noisey but it always seemed to work? Hmmm, noisily and fruitlessly hunting back and forth whist the subject has got bored and flown away!
Posted by RobL on 17/06/2017 - 07:55
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[quote:3496ace15f="Algernon"]Can't the ROM be hacked on these to make them screwdrive? -- Yep it can Algi and sometimes I feel that all lenses should still be screwdriven, noisey but it always seemed to work? Hmmm, noisily and fruitlessly hunting back and forth whist the subject has got bored and...
Posted by jules on 19/06/2017 - 21:47
