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Forum: Pentax K-1 & K-1 II
05-14-2019, 10:23 AM
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Is there a way to trigger the autofocus in the remote control? I don’t seem to be able to find anything about it...also, what does that little button in the bottom right hand corner do? Thanks.
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Forum: Pentax K-1 & K-1 II
05-09-2018, 01:56 AM
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It's been a while - Xiaoming please do you have any thoughts on the next update to the app?
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Forum: Pentax K-1 & K-1 II
04-12-2018, 02:51 AM
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For me, I just need the bare basic - I just need to be able to press the remote shutter, it gives me a few seconds to hide my phone and pose properly, and take the shot. Can't imagine how Ricoh couldn't even do just that...even for some unknown reasons the K-1 couldn't handle this, there's always the alternative of delay-sending the trigger command from the app after pressing the shutter button.
Of course, if the self-timer could also control the number of pictures to take (I know in some Canon/ Olympus model you could even specify how much time to lapse between shots) it would be all the merrier.
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Forum: Pentax K-1 & K-1 II
04-09-2018, 08:31 PM
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Hello K-1 user here to - Xiaoming may I ask if the app allows delay timer? The official app doesn't allow it and once you touch shoot a picture's taken - not very handy for group photos when I'm in it. Somehow Ricoh only allows this function for latter model like K-s2 so I'm looking for alternatives and saw this app. Hope there's good news! Thanks.
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Forum: Pentax SLR Lens Discussion
09-27-2017, 07:51 PM
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Yes I half suspect I won't be making good anything save for further causing problem...but I'm at my wit's end when the official repair centre refused to take it on, and local Pentax repair technicians are next to non-existent. Please did you mean you've fixed this particular lens before? How difficult was it to get every parts out? I've worked on some fixed focal lenses before and adjusted infinity focus, but not a zoom lens.
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Forum: Pentax SLR Lens Discussion
09-27-2017, 07:48 PM
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Thanks for the recommendation. I will make enquiries.
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Forum: Pentax SLR Lens Discussion
09-27-2017, 08:08 AM
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Noting this might be a really long shot given no entry of this on the disassembly database but could really use some guidance to help in my situation.
Some background first - My copy of the lens got really soft wide open at infinity at the tele end (135mm-200mm), even at the centre of the frame. Close-up shots no good either - astigmatism is apparent even at the centre again. Peripheral resolution also abysmal at left side of the frame - together with non-circular de-focus blur, they all indicate de-centering of the lens. This is not a problem with the AF as I've also tested using liveview. And the problem persists until f/8 - f/11 before I could really get a repsectably sharp picture.
Have tried sending this to Ricoh Pentax repair centre in Japan and got told there's nothing they can do given discontinuation of the parts available for replacement. Reading some previous threads over a possible fix by tightening loosened lens elements inside, it dawns on me that disassembling the lens may ben the unenviable last resort available in the hope of any possible fix.
So may I ask if anybody has previous experience about / have seen / have some resources on how to attempt to disassemble the FA* 80-200 f/2.8? Any input would be highly appreciated!
Oscar
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