Question about Pentax *ist DS Digital Camera

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Beginners question : Autofocus

I've received my IST Ds, and boy am I happy :) Coupled with my Sigma 18-200 it's just a fine do it all, and with my F 1.7, it seems more than capable at doing nice portraits. Obviously I have tons of things to discover, but right now I'm just wondering about one simple thing : On my bridge, mid pressing the shooter button started the autofocus. Then you could keep it mid pressed till you shooted. yes same. BUT, when you had pressed, if you came back to mid pressing without fully releasing, it would keep your set focus. very useful for portraits when you wanted to shoot fast without using a (too) rapid shooting mode. And without going manual (I'd rather not for the time being. And with that solution, if the subject moves, I can just autofocus again pretty fast). Any clue about how to do that ? Possible at all ? Apart from that I noticed that it seems to underexpose quite a lot, so I set it at +1. And that indoor photos need a custom white balance, otherwise they just turn out very yellow. And the autofocus is fine, even at low light. Well, that's all for now, I need to dive into the manual.

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Re: beginners question : Autofocus

You can always do it the other way around, then - program the "OK" button to do your focusing. Then you take repeated shots on the same focus without hitting "OK" again. Of course, then you have to remember to actually use it when appropriate. But I could imagine developing that habit doing studio work. FWIW, though, switching to manual in these cases it quite easy - the button is quite easy to find. Take one picture auto, then switch to manual to take the others. Also, even if you leave autofocus enables and don't do *anything* special, I think you'll find that re-focusing on a subject that is already in focus is close to instantaneous.

Posted on Sep 08, 2005

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Re: beginners question : Autofocus

In the custom settings, you can program the "ok" button of the 4-way controller to disable AF. It's kind of a handy little trick. It's called "Ok button when shooting" or something.

Posted on Sep 08, 2005

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Was told by amazon that your 50mmF2.8 DG macro would autofocus on my nikon d40x...it does not...am I missing something or did amazon mislead me? Thanks Kevin


FixYa does not make lenses. From the name, I'm going to assume it's a Sigma lens.

The Nikon D40x does not have an autofocus motor, relying on the lens to have one. This particular Sigma lens does not have such a motor. Sigma designates their lenses with an autofocus motor as "HSM", Nikon calls theirs "AF-S".

I saw nothing on Amazon's page for this lens specifically mentioning the D40x. If someone there told you that it will autofocus on the D40x, then yes, you were misled.

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Hi K akima...have followed your advice, but no luck. When I go to continuous mode, it only lets me shoot a single shot, the display briefly reads r 08 then returns to r 09 again. I`ve tried my other lenses...


nikon r09,r11, etc . it mean memory buffer of your camera. memory buffer is a temporary memory for your captured images before it store to memory card.
if r00 it mean, you can't take a picture, even 1 picture... that because the camera buffer memory is full.
the number of memory buffer will also drop if noise reduction on

Feb 14, 2010 | Nikon D80 Digital Camera with 18-135mm...

1 Answer

*IST DS autofocus


Try using another lens, if this solves the problem you have a lens problem. If not the camera is the problem.

Jul 03, 2009 | Pentax *ist D Digital Camera

1 Answer

Sigma 70-300 Macro Motorised Lens for Nikon has stopped autofocus


If you just purchased the lens I would take it back sounds like the lens is jarred and defective should still be on warranty

Jan 22, 2009 | Nikon D80 Digital Camera with 18-135mm...

2 Answers

Pentax *ist DS digital SLR Autofocus problem


Being an SLR camera, you should try another lens. It may be a servo fault in the lens. If the lens is okay, then it can be anything in the lens sensing, lens control drive circuits, and or lens to camera interface area. This would have to be properly diagnosed and serviced.

Jerry G.

Oct 11, 2008 | Pentax *ist DS Digital Camera

1 Answer

PENTAX IST DS PROBLEM WITH INTERNAL FLASH


First make sure the camera is not set to No Flash on the shooting mode dial.Also, in P, Tv, Av or M modes the flash reverts to manual and must be raised manually by pressing the button next to the viewfinder.

Jan 11, 2008 | Pentax *ist DS Digital Camera

1 Answer

My Pentax *ist* ds doesn't power on half the time!


Check the battery contacts in the camera. Perhaps they are dirty and need a clean. Make sure you're not using Alkaline battereis and if you use rechargeables they are fully recharged and not getting too old to hold a full charge. Apart from that, without further information I can't help any more. BMW

Jun 29, 2006 | Pentax *ist DS Digital Camera

1 Answer

Why is my *ist DS eating my SD cards?!


I've used Sandisk Ultra II 512M cards, a PQI 1G and a Transcend 1G card (all high speed rated) in the *istDS. I've done about 1500 exposures now, many RAW, and have done several rounds of upload to my computer. No problems at all. These same cards work flawlessly in a Panasonic FZ10 as well. Either you have had a bit of bad luck, two defective SD cards in a row, or have a *istDS with a stuck or bad memory card controller. Try using the Reset command in the Set Up Menu, see if that helps. BTW, always format SD cards with the camera once before you start using them.

Sep 13, 2005 | Pentax *ist DS Digital Camera

1 Answer

Flash on ist DL


Looks like its true... Another major disadvantage. Removing TTL means removing one more hardware piece - TTL sensor. Pentax removed almost every nice feature, which needs some aditional or more expensive hardware: no TTL flash, less AF points, pentamirror... Seems like I bought Ds right in time.

Sep 08, 2005 | Pentax *ist DL Digital Camera

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