Question about Sony Alpha DSLR-A200 Digital Camera

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Autofocus malfunction Hello, I have a Sony A200 SLR, that when you just turn it on and it checks the autofocus function, you can hear the noise of the motor trying to move the lens about 2 secs, but then it stops, and when trying to use it in autofocus, it does not work. what could be the possible solutions for it? I appreciate your help, and i ask you, since i read a post before to a guy from Iraq having a similar problem

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  • 51 Answers

Nice camera, and I've had similar problems before.

What's more typical than anything else, is the gearing for moving the lens gets misaligned or jammed. This can happen with foreign object getting in, like fine sand particles, or the lens being jarred or bumped during operation.

For a camera like this, I would not recommend trying to fix it yourself, because you can end up doing more harm than good. A trained tech can often clean it out and repair the problem fairly quickly, to get you back to using it.

Attempting to use it in this condition could potentially make the problem worse, depending on the cause.

Posted on Feb 14, 2012

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SOURCE: Canon 40d Autofocus confirmation light damage

1 I suppose this is related to hardware problem.
2 May be the focusing screen is misaligned somehow.

Posted on Mar 07, 2008

mcomijohns
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SOURCE: Autofocus malfunction

This camera is a great unit living in Iraq is not good for these camera because sand gets inside of the lens unit causing it to bind up and stop auto focusing. Some times this can be cleared up by taking off the lens and gently tapping it glass down to try and free up the dirt or in your case sand. if the fails take the lens and blow it out with high pressure air from both sides the problem is the ultra sonic motor that controls the auto focus is clog with sand causing you issue the problem 99% is your issue. hope this helps.

Posted on Apr 10, 2009

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2 Answers

28 80 autofocus


Turn the mode dial to the green rectangle for automatic exposure. Set the autofocus switch on the lens to AF for automatic focus.

Oct 07, 2013 | Canon EOS Rebel 2000 35mm SLR Camera

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What digital nikon cam works autofocus in a nikkor micro AF 105mm f/2.8D?


This lens lacks the autofocus motor, so it will only autofocus on cameras with the motor. This lens will autofocus on every Nikon digital SLR except for the D40, D40x, D60, D3000, D3100, D5000, and D5100. It will autofocus with the D1 family, D2 family, D3 family, D50, D70, D70s, D80, D90, D100, D200, D300, D300s, and D700 (I hope I haven't left any out).

Jul 03, 2011 | Nikon Cameras

1 Answer

Can u use the lenses of minolta slr camera with any other digital camera body today and if yes then models may be suggested


If you have manual focus Minolta lenses, then they are not usable on anything other than other manual focus M35mm Minolta SLR's.

If they have the Minolta autofocus mount then they will physically fit onto any of the current range of Sony Alpha SLR's and also the discontinued Konica Minolta digital SLR's, but there will be some issues:-
  • there will be a 1.5x magnification factor due to picture cropping caused by the digital image sensor being smaller than a 35mm film frame. As an example, a 70-200mm zoom lens will produce an image equivalent to that of a 105-300mm lens if mounted on a 35mm camera. Lens apertures are not affected by the 1.5 crop factor.
  • Earlier Minolta AF lenses relied on the camera body providing the autofocus motor. Later Konica-Minolta and Sony models lack this motor so the lens can only be used in manual focus mode.
  • If you have a later SSM (SuperSonic Motor) equipped lens and want to use it on an Minolta Alpha/Maxxum/Dynax 9 (different model names in different countries), the camera needs a complete additional circuit board which is no longer available.
  • Later Sony Alpha SLR's have far greater electronic communication with the lenses used. Many Minolta lenses will not be compatible and as Sony don't support legacy products there is no fix.
In short, Minolta MD lenses (manual focus) can't practically be used on any modern digital cameras, and Minolta Alpha (autofocus) lenses will physically fit onto a Sony Alpha digital SLR, but will act as if magnified and may not autofocus or work at all on a Sony SLR. But there's no harm in trying.

Sorry there is no absolutely definitive answer for you, but I hope that you now understand why and that you take a moment to rate my reply.

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1 Answer

Using a Nikon D40 digital slr with a AF-S DX Nikkor 18-200 1:3.5-5.6 G ED lens I was previously able to autofocus bun now am not. Can you suggest reasons why this may be?


Please check if the Autofocus-switch on your lens is set to M/A. Also check if the Autofocus on your camera is switched on. For detailed information about your cameras autofocus, please check this site: http://www.kenrockwell.com/nikon/d40/af-settings.htm

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1 Answer

Blurry view


The simplest thing which might have gone wrong is that you mistakenly activated the macro function. Try taking a picture of, say, a flower from a few inches: if it's sharp, you're employing the camera's macro function and need to deactivate it.

I don't recall the DSC having a manual focus setting, but check it out. If you turned it on, you need to manually adjust the focus through the zoom control in order to get sharp pictures (or turn on autofocus, of course).

Otherwise, the auto-focusing software might be at fault. There are several autofocus settings available; try cycling them all and see if the problem is reversible.

If not, either the autofocus parameters are gone awry - I'm afraid the camera'll need servicing - or maybe a dirty lens is causing the autofocus to malfunction, in which case cleaning it would solve the problem. Frankly, it's unlikely - it would take a really cleverly positioned and greasy fingerprint to fool a modern focusing engine. But you might be lucky, and it's worth a check.

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Canon EOS 5D Autofocus will not work.


ho.....ho...
I have this prob in my canon EOS kiss SLR.
CHECK THAT>>>>>>>
Hold the camera vertically.Switch on the AF and let the camera to auto focus.!!!!!!!!!!!!!!!!
Don't wondering....Check ur camera's sub mirror in the in side of the sub mirror.The spring that push back sub mirror from the main mirror is broken.......!
How to repair this? Follow this link....
http://www.facebook.com/home.php?#/album.php?aid=2042115&id=1359757176
bye..ec262d7.jpeg

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Presumably you intend to use a DSLR. The automatic nature of modes relates to exposure. Lenses autofocus assuming you have turned the autofocus switch on. Switch the autofocus off if you want to manually focus. Whichever you use will not affect the modes

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Sigma 70-300mm DL Macro Super Lens compatibility for Nikon D40X DSLR Camera


Here is Nikon's specs of lens compatibility for the D40X:


Compatible Lenses*: Nikon F mount with AF coupling and AF contacts Type G or D AF Nikkor:
1) AF-S, AF-I: All functions supported;
2) Other Type G or D AF Nikkor: All functions supported except autofocus
3) PC Micro-Nikkor 85mm f/2.8D: Can only be used in mode M; all other functions supported except autofocus
4) Other AF Nikkor*â¹/AI-P Nikkor: All functions supported except autofocus and 3D Color Matrix Metering II
5) Non-CPU: Can be used in mode M, but exposure meter does not function; electronic range finder can be used if maximum aperture is f/5.6 or faster
6) IX Nikkor lenses cannot be used
*â¹ Excluding lenses for F3AF

They do not recommend 3rd party lenses, ever

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1 Answer

Will not auto focus


"... Autofocus Lock ("AF-L"). Pressing the AF-L (Autofocus Lock) button enables the Nikon F4 to lock the focus. Simultaneous lock of AF-L and AE-L is possible. "'FREEZE FOCUS" - is another great function in the F4. It allows automatic shutter release when subject enters a pre focused distance - available with Nikon MF-23 and/or the 250 exp. MF-24 Multi-Control Back. i.e. with the shutter button fully depressed, the shutter is automatically fired when a subject comes into a preset manually focused position. This function is recommended for sports races because the racing course is usually known beforehand. It also works well in wildlife remote control photography, scientific, forensic and other technical photography. ..."

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