Search results for 'back focus' - page 2094
Proper focus?
That's a nice photo, stopping down a bit would have allowed more of the flower to be in focus. No need for such a high shutter speed though, it isn't going anywhere. Looks to me like it has quite a long stalk, so with only a breath of wind it will move significantly. As Jetsam1 was particularly co...
Posted by petrochemist on 26/05/2013 - 15:32
Proper focus?
I feel better now, just not used to the DA* after the kit lens and film MF for a year! I think the harsh sunlight was fooling the meter a bit and softening everything up. Never had an issue with focus before..... Just paranoid I think.....
Posted by Jetsam1 on 26/05/2013 - 15:46
pentax user site
Hi there, I keep getting a problem while I am on this site looking at forum posts. I open PU up as the page showing "new posts since last login". Fair enough this is what I get. Now the problem is that sometimes I go to a series of posts, maybe the whole thread, but when I then go back to the ...
Posted by Patty on 27/05/2013 - 10:58
pentax user site
John, I am not logging out from the site. All I do is go from one part of the site, new post page, to another part, the posted message page, then back to new post page. PU then thinks I logged out or went from the site entirely. I don't have to log-on again although it could be happening automatical...
Posted by Patty on 27/05/2013 - 18:04
K-7 shutter won't fire - occasionally.
Probably you have the camera set to "focus priority" which means it will only release the shutter when focus is achieved. You can change this to "release priority" which will enable you to release the shutter at any time. Settings are in the custom menus.
Posted by johnriley on 30/05/2013 - 12:26
Sweet spot ?
thanks for all the responses, i suppose i meant that if you had to go out to f4 then there wouldnt have been much point in getting an f1.4. if you know what i mean. i think i probably need to fine tune the focus. at times it seems a little hit and miss as to where focus actually is. i wll post some...
Posted by derek897 on 02/06/2013 - 23:06
Sweet spot ?
thanks for all the responses, i suppose i meant that if you had to go out to f4 then there wouldnt have been much point in getting an f1.4. if you know what i mean. i think i probably need to fine tune the focus. at times it seems a little hit and miss as to where focus actually is. i wll post some...
Posted by JAK on 02/06/2013 - 23:12
Sweet spot ?
thanks for all the responses, i suppose i meant that if you had to go out to f4 then there wouldnt have been much point in getting an f1.4. if you know what i mean. There's more to life than sharpness :) I use wide apertures for shallow Depth of Field, and very occasionally to get enough light f...
Posted by Smeggypants on 02/06/2013 - 23:38
Sweet spot ?
Hi folks, this has gone from a sweet spot question to a focusing issue. even with a lens correction of +10 its still well out. any ideas ? No 1 is no correction no 2 is focused on the 3rd screw on the right no 3 is plus 10 correction no 4 is manual focus. p/f is not an issue here, just dont k...
Posted by derek897 on 03/06/2013 - 15:21
Sweet spot ?
I should point out that the point of focus is the 5th screw from the right, which is slightly thicker than the rest.
Posted by derek897 on 03/06/2013 - 16:33
Sweet spot ?
Are the shots cropped? Shot two looks like it's focused on the 5th screw, or at least between the 4th and the 5th. I would over-ride the AF in this sort of situation normally, as the focus points do lock on the wrong thing sometimes. Is the lens front or back focussing in normal shots, when ther...
Posted by Pentaxophile on 03/06/2013 - 16:35
Sweet spot ?
Are the shots cropped? Shot two looks like it's focused on the 5th screw, or at least between the 4th and the 5th. I would over-ride the AF in this sort of situation normally, as the focus points do lock on the wrong thing sometimes. Is the lens front or back focussing in normal shots, when ther...
Posted by derek897 on 03/06/2013 - 17:16
Sweet spot ?
Personally, I would try to simulate some real world shots e.g. portraits and see if the lens performs OK there. I can't tell how big these screws were in the frame in the original shots. It could be that the central focus point is just too big to differentiate which screw the focus should be on. Or ...
Posted by Pentaxophile on 03/06/2013 - 17:25
Pentax to M42 mount with inner flange
I understood that the type with a flange is the "bad" type as it doesn't allow focusing to infinity. Is that what you're looking for? There is no adapter with flange and also allow infinity focus? I have two Mamiya Sekor M42 lenses, and as probably you know, they don't have A/M switch, so really ne...
Posted by pengbai on 06/06/2013 - 06:25
Pentax to M42 mount with inner flange
There are infinity focus adapters with a flange to hold the pin in. Someone on one of the MF forums used to make them. Also one of the big accessory companies do one. '
Posted by Algernon on 06/06/2013 - 08:23
Pentax to M42 mount with inner flange
There are infinity focus adapters with a flange to hold the pin in. Someone on one of the MF forums used to make them. Also one of the big accessory companies do one. ' I did search a bit, and knew there was a guy making and selling such adapter but that was 4/5 years ago... I sent some emails ...
Posted by pengbai on 06/06/2013 - 08:28
Pentax to M42 mount with inner flange
Dino Direct used to do one, but I've just looked and they only have one for a Contax with a flange. On some lenses such as the Russian ones a piece of electrical cable insulation can be put in to keep the pin pushed in. I'm sure there must be info somewhere about what to do with Mamiya's? It'...
Posted by Algernon on 06/06/2013 - 10:44
Pentax to M42 mount with inner flange
i have one that came from Crooked Imaging, it was sold as Kood brand and packaged as such although no name on the unit. allows infinty focus and no problem removing from camera with supplied tool. unfortunately have not seen them for sale for some time or would be snapping them up
Posted by redbusa99 on 06/06/2013 - 12:56
Any ideas???
I'd reset the camera back to factory defaults
Posted by gartmore on 11/06/2013 - 11:10
Any ideas???
You haven't stated what format the photos are being taken in, ie PEF, DNG or jpeg so any help being offered can only be a best guess! Given the shots on the rear screen look fine, it could be a PEF being loaded into a software program that doesn't support the K-7 PEF's. Change to DNG's and all sho...
Posted by JAK on 11/06/2013 - 11:46
