Yeh, thanks for the awesome site, well basically i just found my parents old (mz50 SLR) camera, and they said it worked fine, i got some new CR2 batteries for it, but now everytime i touch any button it winds on another shot, this includes turning it on... occasionally hte autofocus will work, but it doesnt, it just goes from in to out without focusing... oh and each time i hit the button to takea picture, it winds another shot without opening the shutter. also the flash doesnt fire with the wind on...
Thanks so much for any help
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Re: Shutter wont fire, or auto focus
This sounds like mirror box motor problem ( see enclosed shot from our workshop ) : this cocks the shutter and controls mirror mechanism and when the drive dosnt work properly ( small nylon gear on the motor goes ) camera will develop the the sort of problems you describe. Can be repaired but will cost $ 150-200 so it is relatively expensive repair.
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You did not say which camera body you are using, but you probably have three different auto-focus modes on you camera. You might be using the wrong one.
The modes are as follows:
AF-A Mode: Camera automatically selects single-servo autofocus when AF-A subject is stationary, continuous-servo autofocus when subject is moving. Shutter can only be released if camera is able to focus.
AF-S Mode: For stationary subjects. Focus locks when shutter-release button AF-S is pressed halfway. Shutter can only be released when in-focus indicator is displayed.
AF-C Mode: For moving subjects. Camera focuses continuously while AF-C shutter-release button is pressed halfway. Photographs can be taken even when in-focus indicator is not displayed.
Cannon is notorious for their auto focus and automatic setting to be very discriminant. If you are to close to your subject while in these settings granted your strobe will fire and your flash may flip into position but the shutter just wont work. Cannon is trying to tell you you are too close. You need to back up. If you are trying to get that close up and don't have the proper lens that's all you are going to get. It is best to go long lens then go for your close up.
The shutter may be damaged and need service. Look at the shutter if they look misaligned or even out of track tat is the problem. A repair tech could trouble shoot the camera, but repairs may exceed the cost of replacement.
first make sure the mirror is fully down. if down
take your MZ50 to a camera store and try a different lens. if it does the same thing then your camera needs repaired. flex circuit,
if the different lens works then the lens needs repaired.
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.