Question about Mamiya 35mm f/3.5 Lens 645

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Manuel lens dos not turn any more

Hi there,i have a 45mm mamiya lens and it stop focusing ,I can't turn the lens.Is it a big problem?Can i fix it myself or get a professional?Many thank's.

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  • 33 Answers

Most likely some of the gears are offline or collapsed. when that happens it gets difficult to turn. you could send it to mamiya for an estimate or to mackcam.com

Posted on Dec 31, 2008

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6ya6ya
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Posted on Jan 02, 2017

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I cannot focus one of the lenses (14-45mm) for my Olympus E500 camera, the other lens focuses fine so the problem is not with the camera.


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I have a RB67 pro SD and just bought a #1 extension tube for it but the lens doesn't want to mount deep enough? What am I doing wrong? I can't close the lock ring.


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2_22_2016_1_22_09_am.jpg

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Limited zoom


Hi,

You mean that the lens are getting stuck right??
If so then follow the below steps for fixing your lens problem:

Fix #1: Remove the batteries from the camera, wait a few minutes. Put a fresh set of batteries back in and turn the camera on.
Fix #2: Remove the batteries, then remove the memory card. Then install the new batteries, when you turn it on it should come back to life. Error E30 means you don't have a memory card installed, so turn it off, slip in the memory card and turn it on one last time.

Fix #3: Insert the cameras AV cable, and turn the camera on in picture review mode. Have no idea why this would work, except that quite a few people have reported some success with it.

Fix #4: Place the camera flat on its back on the kitchen table, pointed at the ceiling. Press and hold the shutter button down, and at the same time press the power-on button. The idea is that the camera will try to autofocus while the lens is extending, hopefully seating the lens barrel guide pins in their slots.

Fix #5: Blow compressed air in the gaps around the lens barrels with the idea of blowing out any sand or grit that may be in there jamming the lens. Other variations include blowing with a hair dryer in “no heat” setting, or sucking the gaps with a vacuum cleaner.

Now we're entering into the realm of potentially damaging your camera in conducting the fix. Take care when conducting the following two fixes.
Fix #6: Repeatedly tap the padded/rubber usb cover on a hard surface with the intent of dislodging any particles that may be jamming the lens. A lot of people have reported success with this method. HOWEVER, there is some potential for damaging or dislodging internal components with this method, such as unseating ribbon cables.

Fix #7: Try forcing the lens. Many people have also reported success with this method. HOWEVER, there's obviously some potential for damaging your camera by using this method. Variations include pulling, pushing, rotating or twisting on the lens barrel while hitting the power button. Another variation includes looking for uneven gaps around the lens barrel, and then pushing on the lens barrel side that has the largest gap. While doing these, listen for a click that indicates that the lens barrel guide pins have reseated in their guide slots. If you hear this click, immediately stop and try the camera. The following photo illustrates unseated guide pins that would cause a lens error.

Goodluck...

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Need help?

atdlee@netzero.com

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