Question about Nikon F4s 35mm SLR Camera

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Will not auto focus

Motor winds lens in and out, but will not autofocus, just shows red X and locks shutter out

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Re: 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. ..."

Posted on Nov 15, 2005

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No shutter action


Set the lens f/stop to the largest number such as f/22 (smallest diameter). Many cameras with automatic exposure must have the f/stop set to the largest number on the lens, or turn off auto focus do manual focus.

Sep 13, 2015 | Nikon N60 35mm SLR Camera

1 Answer

When camera is on Autofocus, and Auto exposure mode, when I press lightly press shutter release it will focus, but then when I press it all the way it won't actually take a picture. Even if I release and...


Try resetting the camera by pushing both rewind buttons (two buttons with red rewind symbol), and when the motor stops running open and close the back door then try again. If not it could be as simple as a bad release switch (the switches on the N55 and N75 were garbage) or a electronic problem. Also check to make sure you did not pop the shutter blades out of position when loading film. Remove the lens and gently lift up the mirror with a fingernail and make sure the blades are flat.

Oct 02, 2013 | Nikon N75 35mm SLR Camera

1 Answer

Hi I cannot get my F80 to autofocus. I have tried all my lenses on my Brothers F80 and they all work fine on his camera. I only bought the camera second hand a few days ago and i'm 99% sure when the...


If the gears are stripped, it will require an experienced tech to repair.

That being said, there should be a small switch near the lens mount to switch between auto and manual focus mode's, be sure that that switch is pointing to A. When set to M, the little screw recesses into the mount so it doesn't try to engage, when set to A, it'll extend very slightly.

Also, Nikon has manufactured two types of AF lenses - with the motor in the body and with the motor in the lens, as with most newer lenses. Your camera should have a small screw on the lens mount that drives the focus motor between the lens and the camera, but I'm not 100% certain on that. Your camera can focus lenses with and without this type of coupling. BUT, if that screw/motor in the body is not functioning, you'll only be able to use lenses which contain the focus motor inside them, or manual focus lenses (you can manually focus AF lenses too).

May 19, 2011 | Nikon F80 35mm SLR Camera

1 Answer

Is it possible to manually control the focus on this camera? (Konica Minolta Maxxum 400si SLR 35mm Film Camera) I need to be able to manually control the focus, apeture, and shutter speed for a film...


The description of the manual focus is available in part 2 of the manual, page 40. The manual is available as a PDF here: http://ca.konicaminolta.com/support/manuals/film-cameras/film_af_slr/index.html#si_series . It is the seventh camera in the SI series in the list.

To manually focus the lens, press the focus-mode button on the front of the camera (bottom left when you are behind the camera) until M. focus appears in the data panel. If you have an AF lens, turn the focusing ring until the subject appears sharp. If you have an xi-Series or AF Power Zoom lens, pull and turn the lens control ring.

The focus indicator will light when the subject is in focus. To return to autofocus mode, press the focus-mode button again. The camera will also return to the autofocus mode if you press the program reset button.

I hope this helps.

Cindy Wells
(in manual focus, you can take a picture even if the subject in the focus frame is not in focus. Often it means you need to take multiple pictures to get a good shot of the subject. The advantage is that you can get some interesting shots.)

Feb 07, 2011 | Minolta Maxxum 400si 35mm SLR Camera

1 Answer

Camera will not focus in auto focus mode and when it is focused manually it will not recognize that it is in focus. The instruction manual doesn't cover this case and I was wondering what was wrong with...


You need to have a compatible lens to be able to autofocus. Some older Nikkor lenses and even more so 'generic' lenses (ie. Tamron, Sigma, Opteka etc.) do not autofocus or can be used with Nikon bodies.

Check that the lens is compatible with your camera.

Jun 19, 2010 | Nikon N55 35mm SLR Camera

1 Answer

Pentax MZ50/ZX50 - no photo when shutter is pressed


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.

Jul 20, 2009 | Pentax ZX-50 35mm SLR Camera

2 Answers

Will not operate in the autofocus mode


kmarcum,
Take the camera off auto focus,if the shutter fires and you can manually focus, then the lens must be repaired. Take the lens to a camera repair shop and get an estimate.

Jul 26, 2008 | Nikon N60 35mm SLR Camera

1 Answer

Err message


If the error message is on the left hand side of your LCD monitor then your shutter is not coming on line and it might be the 'reset' switch in the back cover locking mechanism that needs replacing. If the error message is on the right hand side of the monitor then this is because the F - stop on your lens is not set to highest setting ( 16 or 22 ) . Set your lens to highest setting and check again to see if error ( FEE ? ) disapears.

Sep 21, 2007 | Nikon F65 35mm SLR Camera

1 Answer

Lens will not zoom in or out


Brush off any lose dirt from both the lens and bayonet mount and the autofocus drive shaft . If you are still not getting camera to auto focus your lenses have an expert look at the body : this is not an expensive problem to repair on these Pentaxes either a small mechanical problem or the connection to the pc board is bad. In either case only the front of the camera has to be dismantled ( +- 1 hour of labour to do the whole job ).

Aug 29, 2007 | Pentax ZX-50 35mm SLR Camera

1 Answer

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.

Jun 01, 2007 | Pentax MZ-50 35mm SLR Camera

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