Search results for 'back focus' - page 2152
DA* 300mm AF not working
Good thinking, would have been nice to meet some forum members- I'm in Edinburgh and saw some brave soul on a windswept day at North Berwick with a 645, so presumably I'm not alone! I've sent the lens back for investigation, as it's probably a good idea to get it properly checked over. It migh...
Posted by mattie on 11/01/2022 - 14:58
DA* 300mm AF not working
Sorry, never finished this off - the dealer sent the lens away for repair and all is good - sharp as a tack, I had a a fair few issues with front/back focus with my Sigma 300 APO and I've had none of this with the DA*. Very pleased with the lens, shame about the photographer!
Posted by mattie on 20/07/2022 - 12:18
ist D battery mystery.
Not a great problem really, but a mystery. I dug out my ist D for a bit of a testing session. I put four Energiser lithium AA batteries and found the camera would not start up, the battery indicator in the top window showed completely empty. Cue some bad language. As the batteries had been stored in...
Posted by Sdeve on 10/02/2022 - 14:48
K-3iii: manual focussing using OVF
As will be apparent from my portfolio, much of my photography is devoted to close-focus/macro in the field and I often find myself resorting to manual focus when critical sharpness/creative DOF is critical. With every Pentax (Samsung) DSLR I have owned (GX-10, K20D, K5, and K3), all that has been ne...
Posted by prsjnb on 04/03/2022 - 12:53
K-3iii: manual focussing using OVF
Not had to make any changes Jon since I set the camera up as above, I've not had to AF adjust any lenses on the K3iii either, it mainly has the Pentax 70 - 200 or the 150 - 450 attached. Critical focus is checked on the computer as I can generally trust what the camera will give me, subject to me...
Posted by Chrism8 on 04/03/2022 - 13:54
K-3iii: manual focussing using OVF
Could it be that the K3 iii's focus screen guide lines aren't actually on the focus screen itself whereas they are with the previous cameras? The Ricoh website says "The PENTAX K-3 Mark III features a transparent LCD viewfinder display that provides a broader range of data in the viewfinder window...
Posted by Lubbyman on 04/03/2022 - 13:55
K-3iii: manual focussing using OVF
Could it be that the K3 iii's focus screen guide lines aren't actually on the focus screen itself whereas they are with the previous cameras? The Ricoh website says "The PENTAX K-3 Mark III features a transparent LCD viewfinder display that provides a broader range of data in the viewfinder window...
Posted by prsjnb on 04/03/2022 - 14:51
K-3iii: manual focussing using OVF
Like you I've struggled to get the diopter adjustment right to show a sharp image in the viewfinder when the auto focus confirm is lit. With the K70 I just adjusted the diopter adjustment so that the viewfinder info was clear and that was fine for the image in the viewfinder. However this approach...
Posted by PRYorkshire on 04/03/2022 - 16:06
K-3iii: manual focussing using OVF
It could be that the mirror or the focus screen are out of alignment, or your dioptre adjustment technique is flawed. Get a sharp image in the viewfinder then switch to LV zoomed 100%. If they do not match then you know it is one on the three former problems. Like you I've struggled to get the di...
Posted by pschlute on 04/03/2022 - 20:38
K-3iii: manual focussing using OVF
[quote:3496ace15f="pschlute"]It could be that the mirror or the focus screen are out of alignment, or your dioptre adjustment technique is flawed./quote] It's not that anything is out of alignment. As Chris, Jon and myself have found it is that the K3iii requires a different approach to setting t...
Posted by PRYorkshire on 04/03/2022 - 22:37
K-3iii: manual focussing using OVF
:lol:Very odd. So when you have adjusted the dioptre correctly for a focussed image, the gridlines/VF info display are not sharp ? In my case, Peter, they are, but just not quite as sharp as they could, and would be, if the OVF was used exclusively with the camera in AF mode. The dioptre adjusmen...
Posted by prsjnb on 05/03/2022 - 11:28
K-3iii: manual focussing using OVF
Could it be that the K3 iii's focus screen guide lines aren't actually on the focus screen itself whereas they are with the previous cameras? I imagine the K3III is the same as the K1. The grid lines/AF frame/Spot metering frame/crop frame are generated electronically. You can turn them on or off ...
Posted by pschlute on 05/03/2022 - 12:18
K-3iii: manual focussing using OVF
you need to keep glasses on and if you have varifocal as i do that adds another problem as to which point to look through , near , middle or far. i tend to use the near portion as that is what i have to use to get clarity viewing the back screen, through ovf and monitor
Posted by redbusa99 on 06/03/2022 - 09:45
Question about a DA 70mm f2.4 Limited Lens
Hi All This is a long shot, I've already asked the question on the Pentaxians facebook group to no avail, but I'm hoping someone on here has the knowledge. I have a HD DA 70mm f2.4 Limited lens which takes beautiful images, but the infinity focus setting on it is incorrect and so it will not f...
Posted by davidstorm on 18/04/2022 - 22:11
Question about a DA 70mm f2.4 Limited Lens
https://www.pentaxforums.com/forums/10-pentax-slr-lens-discussion/411934-pentax-hd-da-70-lim-infinity-focus-problem.html Yes it appears that infinity focus is adjusted from the front.
Posted by HarisF1 on 19/04/2022 - 17:23
Question about a DA 70mm f2.4 Limited Lens
https://www.pentaxforums.com/forums/10-pentax-slr-lens-discussion/411934-pentax-hd-da-70-lim-infinity-focus-problem.html Yes it appears that infinity focus is adjusted from the front. Hi HarisF1 Thanks for the link, I did read that PentaxForums thread already, but it didn't make any sense to m...
Posted by davidstorm on 19/04/2022 - 21:50
Shutter release problem
K5iis shutter releases even with AF button and Half Press(focus priority) focus have both been disabled, Pentax 17-70 SDM and Tamron 90mm Macro lenses tried. Am i missing something in settings. Trying to get CIF to work with the Tamron.
Posted by redbusa99 on 13/07/2022 - 09:20
Shutter release problem
K5iis shutter releases even with AF button and Half Press(focus priority) focus have both been disabled, I do not believe that is possible. I think you can enable both AF button/shutter half press to provide autofocus (default setting) , or program the AF button to cancel the AF action of shutter ...
Posted by pschlute on 13/07/2022 - 09:56
Shutter release problem
have lens switch set to manual, shutter button half press set to OFF,camera set to AF-S, Aperture priority. AF button on enable. shutter triggers regardless of being out of focus, AF in cancel position situation the same. If i enable AF button and put an mf ext tube on lens hold AF button on and hol...
Posted by redbusa99 on 13/07/2022 - 11:39
Shutter release problem
Check that your camera AF setting is set to Focus Priority and not Release Priority Check that you have enabled CIF in the menu. shutter button half press set to OFF I dont have your camera, but looking at a K5II manual online I cannot see how that is possible. The options are "Enable AF" ....
Posted by pschlute on 14/07/2022 - 03:31
