Question about Nikon D70s Digital Camera

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In auto focus mode the lese seems to "hunt" and won't focus

I have a D70 and when used with the 18-70 lense in auto focus mode it it won't "settle" and oscilates between various distance settings.

I thgnk it may be fault with the lense but it was fine a few days ago ?

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  • Karthik P May 11, 2010

    Hi,
    Did you try cleaning the lens ?


    Also the sensor. Dust may not allow the lens to focus properly.

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When this happens with my D70s, I know of two options. 1) use manual focus or 2) autofocus on another object about the same distance away from my subject (holding the shutter release half way) and then move the camera back to my subject composition. This seems to happen when there is little contrast in the scene, i.e., a field of same colored flowers. Hope this helps.

Posted on Dec 31, 2008

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Lens is "searching" for focus at 200mm


Hi Martha,

Many zoom & telephoto lenses start out with relatively small apertures (compared to those fast prime and wide angle lenses) and get smaller as the focal length increases. It is because of this reduction of light that the camera's auto focus electronics is having difficulty determining focus. As a result, it "hunts" for focus near and far, and then gives up.

The only things you can do is provide more light on the subject (if possible), switch to manual focus mode and perform the focusing yourself, or use a lens with a larger aperture.

Of course, all this is assuming that the camera and lens are in good working order. If there is an issue with or the other, it may be contributing to the problem.

I hope this helps & good luck!

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It won't take pictures sometimes. push the shutter button and nothing happens.


The Nikon D40 in Auto Focus mode will only allow the shutter to operate when the image is in focus. When looking through the viewfinder, the bottom edge provides information relative to what you are looking at. See the image below:

steve_con_1.gif

Item 2 is the focus indicator. It must be illuminated to allow the shutter to release. If it is not illuminated, the lens has not been able to determine the correct focus. This can happen when attempting to take a picture in low light conditions. Make sure that the front facing "focus assist lamp" on the camera (between the shutter release and lens) has not been blocked or disabled (Settings Menu # 09) and try again. Many times, you will see and or hear the lens "hunt" for proper focus - the lens will travel from one end of its focus range to the other trying to find focus. When it can't, it stops and prevents the shutter from releasing. You can get around this "unable to focus" issue by changing the position of the switch on the lens to "Manual Focus" mode, detailed below:

If a lens has an "A - M" switch, move it to "M" to manually focus. If the switch says "M/A - M " then leave on M/A (unless you're going to be taking several or more in manual mode), as these lenses may be focused manually at any time in either position. As soon as you tap the shutter button in M/A you return to autofocus.



More advanced lenses, like the 18-200mm, 70-300mm VR and 18-135mm, and any lens with an M/A position, may be focused manually at any time without moving any switches. Leave them in their A or A/M positions.

I hope this helps and good luck!

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Cannot auto focus


It sounds like the circuit board flex has gone bad, It folds back and forth when you zoom the lens, And needs to be replaced by a repair shop and readjusted. Tony

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I can get my 50mm lens to work with my d70 nikon.


If the lens has an aperture ring, make sure it is set on the largest f number. Make sure the lens is mounted fully on camera. Oherwise an AF 50mmm f1.8 lens should work on a D70 with no problem

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1 Answer

Lens will not auto focus any more.


Hi there!

I experienced the exact same problem with my 100-300mm lens and I was never able to get it to work correctly again. In fact, attempting to use it further seemed to exacerbate the problem.

The further you zoom, the wider the aperture opens allowing more light for the camera to focus properly. If the aperture mechanism is damaged, the auto-focus process may not work as it should; which would explain why the auto-focus feature works only when at 18mm.

Regardless, I strongly recommend you discontinue use of the lens until a professional technician can examine the lens and figure out what's going on. I'm sure you can contact the manufacturer to open a support case or you can find a camera store that offers repair services.

I hope this helps!

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Need a manual for sony 8/500 relex lens


A mirror lens is a specialty lens. It's a huge telephoto, but shrunk by using mirrors (hence the name). It's a fixed F8 aperture, no auto focus. Looking on the web, this seems to be AF but from a number of uses it "hunts" as due to the tiny depth of field. It's for photographing items at least 300 feet away. The depth of field is tiny (area in focus). You may have to to turn off any "program" modes. This lens will work in "auto" mode where the camera chooses the shutter speed. A tripod is almost a must. Since you have a digital camera... go out and try it... just delete the out of focus and blurry ones.

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Nikkor 70-300 f/4-5.6g lenses will ont auto focus on my D70


The focus motor gear assembly likely has a damaged gear. It will need parts replaced.

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1 Answer

It wont focus or take pictue


Hey harleymomma,
If the d70 is set to AF-S mode focus has to be achieved for the shutter to be allowed to take the photo. In some exposure modes the aperture must be locked down on the smallest aperture. I would also make sure the contacts are clean that allow communication between the body and the lens. Of course you need to make sure the body and the lens are set to autofocus. If none of this works I would have it looked at by an authorized service technician. I hope this helps!

Sincerely,
Allan
Go Ahead. Use Us.

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I am interested in buying Nikon's new digital D60 camera what i need to know is if I can use all the Nikon lenses I have that fit my 35mm camers


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Autofocus jumps around and often will not settle on the correct setting


what i do is usually put it onto manual focus then back to auto focus, what it may be is that you are using the wrong lens for your subject :/

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