Search results for 'back focus' - page 1815
K3 centre focus point issue
Hi Dave, I saw your other post regarding focus issues, I'm still not certain I have a problem K3 but it's getting more likely every day. Today I spent some time with the camera on a tripod and AF fine adjustment with my long lenses, DA55-300, DA*300 and Sigma 150-500 OS and a cornflakes packet...
Posted by McBrian on 21/04/2014 - 21:15
K3 centre focus point issue
I don't have this issue with mine, see other post for my thoughts. It works really well with the 150-500 and with all other lenses tried so far. Regards David
Posted by davidstorm on 21/04/2014 - 21:18
K3 centre focus point issue
Hi Dave Does setting AF2 allow you to release the shutter when the images is not in focus?
Posted by McBrian on 21/04/2014 - 21:22
K3 centre focus point issue
Hi Dave Does setting AF2 allow you to release the shutter when the images is not in focus? It depends on another menu setting, if using 'AF.S', item 15 in the menu allows you to specify if the shutter can be fired whilst the subject is not in focus. I just leave mine on option 2 which is 'Releas...
Posted by davidstorm on 21/04/2014 - 21:26
K3 centre focus point issue
OK, looks like I do have a problem then :-( In the custom menu items 15, 16 and 17 are all set to Focus Priority. In the Button Customization menu....... AF Button" menu set to AF1 the shutter will not release till focus is confirmed with focus priority set for AF.S in the custom menu. A...
Posted by McBrian on 21/04/2014 - 21:46
K3 centre focus point issue
Hi Dave, I saw your other post regarding focus issues, I'm still not certain I have a problem K3 but it's getting more likely every day. Today I spent some time with the camera on a tripod and AF fine adjustment with my long lenses, DA55-300, DA*300 and Sigma 150-500 OS and a cornflakes packet...
Posted by Smeggypants on 21/04/2014 - 22:19
K3 centre focus point issue
After a bit a Google research and playing with my K5ii (forgot I had this on the shelf :) what I describe above appears to be normal.
Posted by McBrian on 21/04/2014 - 22:24
K3 centre focus point issue
Just magnify the image preview in the camera. that's what I do That's a good suggestion but you have no idea what it's like trying to compare 2 scenes with varifocals, they are a nightmare for photographers (even worse when one eye is dominant and the other is useless, Amblyopia).
Posted by McBrian on 21/04/2014 - 22:31
K3 centre focus point issue
Just magnify the image preview in the camera. that's what I do That's a good suggestion but you have no idea what it's like trying to compare 2 scenes with varifocals, they are a nightmare for photographers (even worse when one eye is dominant and the other is useless, Amblyopia). You don't have to...
Posted by Smeggypants on 21/04/2014 - 23:37
K3 centre focus point issue
I find it easier to shoot the same images at different calibrations, then compare them side by side in the Photoshop 'tiled' view at various magnifications. This gives direct comparison between the images on the same computer screen. Once I've narrowed down a range of adjustments, I'll re-shoot a ...
Posted by davidstorm on 21/04/2014 - 23:52
K3 centre focus point issue
I find it easier to shoot the same images at different calibrations, then compare them side by side in the Photoshop 'tiled' view at various magnifications. This gives direct comparison between the images on the same computer screen. Once I've narrowed down a range of adjustments, I'll re-shoot a ...
Posted by Smeggypants on 22/04/2014 - 01:29
K3 centre focus point issue
Just magnify the image preview in the camera. that's what I do That's a good suggestion but you have no idea what it's like trying to compare 2 scenes with varifocals, they are a nightmare for photographers (even worse when one eye is dominant and the other is useless, Amblyopia). If eyesight is so...
Posted by gwing on 22/04/2014 - 14:07
K3 centre focus point issue
If eyesight is so bad would it not be better to use an alternative process that removes this constraint? i.e. autofocus on something like a wall parallel to your camera back using LV/CDAF then switch to optical and AF again. If the lens moves when refocusing then adjust its fine calibration unti...
Posted by McBrian on 22/04/2014 - 14:21
K3 centre focus point issue
Does dialling in lens AF fine adjustment affect both CDAF (on sensor) and PDAF (viewfinder) auto focus? No, AF adjustment is only for phase detect. When using contrast detect the focus is absolute (ie off the sensor) and does not need correction. A pity that Pentax can't produce some kind of LV ...
Posted by MattMatic on 22/04/2014 - 14:35
K3 centre focus point issue
Does dialling in lens AF fine adjustment affect both CDAF (on sensor) and PDAF (viewfinder) auto focus? It doesn't affect CDAF, which as you say uses information from the actual sensor to confirm focus (hence why it is slower but more reliable).
Posted by Pentaxophile on 22/04/2014 - 14:39
K3 centre focus point issue
Matt/Will Thanks for confirming that. So (please correct me in I'm wrong), if I take an image using live view and the same image through the viewfinder and normal AF I should have two imaes that I can directly compare knowing that the image taken with live view should be as near to infocus as ...
Posted by McBrian on 23/04/2014 - 13:39
K3 centre focus point issue
Matt/Will Thanks for confirming that. So (please correct me in I'm wrong), if I take an image using live view and the same image through the viewfinder and normal AF I should have two imaes that I can directly compare knowing that the image taken with live view should be as near to infocus as ...
Posted by gwing on 23/04/2014 - 14:06
Yongnuo flash triggers for K5
Hi chaps and thanks for all the replies! in the end I have purchased the Cotswold Photo triggers in Nikon mount which are supposed to be well reviewed. They're seemingly a bit cheaper than some of the other options out there but I'm happy to report back on how well they work if that's helpful. ...
Posted by saxon on 10/04/2014 - 12:25
I've just bought a K-5IIs
Currently on a Pentax hiatus until an FF Pentax is released . Glad to hear that Gary, how are you getting on with the 600 compared to your K5ll? Am interested in some honest feedback and as you have shot Pentax and now Nikon, I think your opinions would be balanced. Hope smoggy doesn't mind me reply...
Posted by cabstar on 09/04/2014 - 21:48
I've just bought a K-5IIs
[Surprisingly the biggest difference for me is going back to an af system that hunts in low light the k-5 mkii is just so much better at focussing in low light I'm not surprised by this Gary. I saw evidence of this at an event last year, where attendees shall remain nameless as I was accused of lyin...
Posted by davidstorm on 09/04/2014 - 22:24
