Question about NEC VT491 LCD Projector

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I cannot get the focus ring to turn, it is stuck. How can I break it loose again?

The zoom works fine, but the focus ring will not move. How do I open the projector to see if I can free up the focus ring again?

Posted by Anonymous on

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: How do I focus the NEC VT47 projector? I have

I eventually fixed it; just a mechanical problem;I had to use strength to make the ring move again; 5586904.jpg
The arrow shows the direction of my movement; I had to use both hands; be very careful but also be aware that I had to put a lot of strength to manage to unlock it; good luck!

Posted on Mar 06, 2010

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2 Answers

How can I adjust focus?


Turn the grey ring around the lens (where the light comes from) until the image is sharp.

Apr 11, 2016 | NEC VT595 Projector

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Aperture ring won't turn


When the camera is set to autofocus, let the camera do the focusing. If you want to focus manually, turn off the autofocus so you can turn the focusing ring.

Sep 30, 2012 | Nikon Nikkor 18-55mm f/3.5-5.6G ED AF-S DX...

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Lens will not extend when turned on message on screen lens error


Hi,

This error indicate that focusing ring got stuck or jammed due sand, dust or may be due to external shock caused by dropping the device.
  • Try compressed air. With a fine tip blow off gun around lens barrel. It should remove all dust and sand. Turn the camera on this will solve the problem.
  • You can gently bump the camera to try to free the focusing ring.
  • You can try to turn camera ON at the table (facing it to the ceiling), don't put camera down face to the floor when opening.

If motor is running but lens won't retract sometimes lens would slip off with the gear or break off a tooth in the gear when it gets dropped. Try to gently move the lens barrel around with the finger and see if it is moving, but if tooth or gear is broken lens will move once or twice then it will stuck again.

Else your camera need to be disassembled to get at the focusing ring at Service Center.

Thanks and have a nice day

Jul 04, 2011 | Fuji Cameras

1 Answer

WHEN I OPEN MY CAMERA THERE IS A WORD E18.


Hi,

Canon E18 error shows when the lens gets stuck while trying to extend.
  • This error indicate that focusing ring got stuck or jammed due sand, dust, may be due to external shock caused by dropping the device. try compressed air. With a fine tip blow off gun around lens barrel. It should remove all dust and sand. Turn the camera on this will solve the problem.
  • You can gently bump the camera to try to free the focusing ring.
  • You can try to turn camera ON at the table (facing it to the ceiling), don't put camera down face to the floor when opening.
If motor is running but lens won't retract sometimes lens would slip off with the gear or break off a tooth in the gear when it gets dropped. Try to gently move the lens barrel around with the finger and see if it is moving, but if tooth or gear is broken lens will move once or twice then it will stuck again.

Else your camera need to be disassembled to get at the focusing ring at Service Center.

Thanks and have a nice day

Jul 04, 2011 | Canon PowerShot A470 Digital Camera

1 Answer

LENS OPENING BUT NOT SHUTTING


Hi,

Its seems lens got stuck in the barrel due to external shock caused, Try out following steps-

  • If motor is running but lens won't retract sometimes lens would slip off with the gear or break off a tooth in the gear when it gets dropped. Try to gently move the lens barrel around with the finger and see if it is moving, but if tooth or gear is broken lens will move once's or twice then it will stuck again.
  • You can gently bump the camera to try to free the focusing ring.
  • You can try to turn camera ON at the table (facing it to the ceiling), don't put camera down face to the floor when opening.


Else contact Olympus, your camera need to be disassembled to get at the focusing ring at Service Center .

I hope this will solve your problem

Thanks..!!

Jul 04, 2011 | Olympus Mju 725 SW Digital Camera

1 Answer

When power ON the screen displays"Lens Error!" & lens does not open.


Hi,
This error indicate that focusing ring got stuck or jammed due sand, dust, may be due to external shock caused by dropping the device.
  • You can gently bump the camera to try to free the focusing ring.
  • You can try to turn camera ON at the table (facing it to the ceiling), don't put camera down face to the floor when opening.
If motor is running but lens won't retract sometimes lens would slip off with the gear or break off a tooth in the gear when it gets dropped. Try to gently move the lens barrel around with the finger and see if it is moving, but if tooth or gear is broken lens will move onces or twice then it will stuck again.

Else your camera need to be disassembled to get at the focusing ring at Service Center.

Thanks...!!
4 thumbs rating keep us motivated to answer more free questions.

Oct 04, 2010 | Nikon Coolpix L1 Digital Camera

1 Answer

I own a casio exilim ex-z850. it has been showing a lens error, every time i try to take switch it on. the memory card is fine, i view the pictures. but the lens wont open up or anything. please reply...


Hi,
This error indicate that focusing ring got stuck or jammed due sand, dust, may be due to external shock caused by dropping the device.
  • You can gently bump the camera to try to free the focusing ring.
  • You can try to turn camera ON at the table (facing it to the ceiling), don't put camera down face to the floor when opening.
  • If motor is running but lens won't retract sometimes lens would slip off with the gear or break off a tooth in the gear when it gets dropped. Try to gently move the lens barrel around with the finger and see if it is moving, but if tooth or gear is broken lens will move onces or twice then it will stuck again.
Else your camera need to be disassembled to get at the focusing ring at Service Center.

Good luck and have a nice day.
Rating the solution is highly appreciated.

Sep 11, 2010 | Casio Exilim Zoom EX-Z80 Digital Camera

1 Answer

Tamron 17-50 loose ZOOM ring (not Focus ring or Front Element)


the same thing just happened to me like 3 days ago. The zoom ring was kinda sticky and then all of a sudden it just spins around and doesnt extend the barrel at all.

Nov 16, 2009 | Cameras

2 Answers

Zoom ring on 18-55 mm lens is locked/stuck


Are you sure it's the zoom ring that's stuck, and not the focus ring? The focus ring doesn't move when the camera is in autofocus.
If it's indeed the zoom ring that's stuck, you can spend more money than the lens is worth in repairs, or buy a replacement (circa 35 dollars on ebay) for dreadfully cheap. Good luck.

Apr 06, 2008 | Nikon D40 Digital Camera with G-II 18-55mm...

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Fuji Zoom Error Message


Ronald, There is no easy fix, you?ll have either disassemble and get dirty, or take to an authorized repair person. This zoom error problem is usually caused due to dirt or dust in the zoom mechanism. If you think you can handle disassembling the camera then grab a set of gentile screwdrivers and follow these instructions: You will have to remove a few circuit boards in order to get to the zoom mechanism.

Apr 14, 2007 | Fuji FinePix S304 Digital Camera

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