Question about Canon EOS 450D Digital Camera

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The lens won't release from the camera body

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  • Marvo2 May 11, 2010

    Hi, Can you check if you have the camera on one of the manual settings with the shutter locked open. If the mirror is up and blocking the way this could stop the lens from moving..

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Posted on Jan 02, 2017

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SAGHA
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SOURCE: canon 20d - lens stuck / jammed

HI BRIAN ,,I AM SAGHA CAMERA REPAIRER,I THINK UR PROBLEM OCCURS DUE TO JAMMING OF PLASTIC MOUNT ON THE METAL BODY OF 20D.TRY THIS

1} LUBRICATE THE JUNCTION WHERE LENS GET ATTACHED TO THE BODY WITH KEROSENE THEN TRY TO RELEASE THE LENS.REMOVE THE BATTERY FROM CAMERA ,TRY AND HEAT UP THE JUNCTION WITH HAIR DRYER A LITTLEBIT THEN TRY TO RELEASE THE LENS.

2}IF THIS THING ALSO DOESN'T WORK THEN YOU HAVE TO SACRIFICE THE LENS PLASTIC MOUNT PUT SOME SHARP KNIFE LIKE OBJECT IN THE JUNCTION OF LENS & CAMERA & THEN PUSH IT UPWARDS WHICH WILL BREAK ONE OF THE PLASTIC LENS MOUNT COLLOR AND LENS WILL COME OUT WITHOUT DAMAGING YOUR CAMERA .LATER YOU CAN GET REPLACED THE LENS MOUNT FROM SERVICE PERSON. BUT NOW ATLEAST YOU CAN USE CAMERA WITH OTHER LENSES.

Posted on May 17, 2009

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1 Answer

52mm lens stuck on body,,how do you unstick it?


Normally, these lenses do not 'unscrew'. When you push the red button, it releases the lens catch and then you rotate the lens a short ways counterclockwise, then gently pull forward on the lens while holding the body of the camera and the two units separate. It is possible you have gotten some dirt into the lens latching mechanism. Try returning the lens to the locked position, press the red button, rotate the lens to where it stops and then returning the lens to the locked position and repeat several times if the lens does not lift out when you hit the movement stop. This may allow you to get past the dirt. Otherwise, take it to a camera shop, particularly if the camera is still under Canon warranty.

Dec 04, 2014 | Canon EOS 550D Rebel T2i Digital Camera

1 Answer

No image was shown on screen while i still can take photo.


According to ehow:

Turn off your Canon 1000D and remove the memory card, lens, battery and time/date secondary battery. The secondary battery is a small, round battery about the size of a dime found in the same compartment as the main battery. It is located in a vertical slot. Slide out the secondary battery by pressing your finger on the battery and pulling it toward you.
  • Place the body cap on your camera to keep dust out. Attach the front and back lens caps on your lens to prevent scratches and other damage.
  • Let the camera sit for 20 minutes. This will clear the camera's memory.
  • Place the date/time secondary battery and a fully charged primary battery in the camera and turn it on.
  • Press the shutter release button (the button you push to take a picture). If you are still receiving an Error 99, the problem is most likely caused by the camera body itself. The camera body must be serviced by a professional camera technician.
  • Turn off the camera and insert the memory card. Turn the camera back on and press the shutter release button. If you are receiving an Error 99, the error is most likely caused by the memory card. Turn off your camera and insert a different memory card. Turn the camera back on and press the shutter release again.
  • Turn off the camera and reattach the lens. Turn on the camera and press the shutter release button. If you receive an Error 99, turn the camera off and remove the lens.
  • Turn the camera so that it is face down, and gently clean the lens contacts on the camera body with a number 2 pencil eraser or soft cloth. The lens contacts are the eight small, gold pieces on the bottom of the lens mount. Be careful not to let any of the eraser scraps fall into the camera body.
  • Turn the lens so that the side that attaches to the camera is upside down. Use the eraser or soft cloth to clean the lens contacts on the lens, being careful not to let any eraser scraps fall into the lens.
  • Reattach the lens to the camera. Turn on the camera and press the shutter release button. If you are receiving an Error 99, the error is most likely caused by the lens. Take the lens to a professional camera technician for repair.

  • May 11, 2011 | Panasonic Lumix DMC-FS4 Digital Camera

    1 Answer

    Every time I turn on the camera it sais Error 99 could anyone explain it to me .thanks chris


    According to ehow:

    Turn off your camera and remove the memory card, lens, battery and time/date secondary battery. The secondary battery is a small, round battery about the size of a dime found in the same compartment as the main battery. It is located in a vertical slot. Slide out the secondary battery by pressing your finger on the battery and pulling it toward you.
  • Place the body cap on your camera to keep dust out. Attach the front and back lens caps on your lens to prevent scratches and other damage.
  • Let the camera sit for 20 minutes. This will clear the camera's memory.
  • Place the date/time secondary battery and a fully charged primary battery in the camera and turn it on.
  • Press the shutter release button (the button you push to take a picture). If you are still receiving an Error 99, the problem is most likely caused by the camera body itself. The camera body must be serviced by a professional camera technician.
  • 6 Turn off the camera and insert the memory card. Turn the camera back on and press the shutter release button. If you are receiving an Error 99, the error is most likely caused by the memory card. Turn off your camera and insert a different memory card. Turn the camera back on and press the shutter release again.
  • Turn off the camera and reattach the lens. Turn on the camera and press the shutter release button. If you receive an Error 99, turn the camera off and remove the lens.
  • Turn the camera so that it is face down, and gently clean the lens contacts on the camera body with a number 2 pencil eraser or soft cloth. The lens contacts are the eight small, gold pieces on the bottom of the lens mount. Be careful not to let any of the eraser scraps fall into the camera body.
  • Turn the lens so that the side that attaches to the camera is upside down. Use the eraser or soft cloth to clean the lens contacts on the lens, being careful not to let any eraser scraps fall into the lens.
  • Reattach the lens to the camera. Turn on the camera and press the shutter release button. If you are receiving an Error 99, the error is most likely caused by the lens. Take the lens to a professional camera technician for repair.
  • May 11, 2011 | Cameras

    1 Answer

    Can I use TOKINA lens 28mm-210 lens with this Nikon body or can I use with other NIKON body D 700?


    Tokina makes their lenses with a variety of mounts. A lens with Canon mount, for example, won't fit onto a Nikon. Assuming you get the lens with a Nikon mount, then yes, you can use it with a D70 and with a D700.

    Apr 16, 2011 | Nikon D70 Body Only Digital Camera

    1 Answer

    Got my Nikon d90 for 3 months now,but encountering error problem with my Nikon D90 w/ 18 105 vr lens.sometimes when i'm ready to shot it appears on the Top LCD,error F--,..Pls. help guys...Thanks


    This is a common problem with this camera/lens conbo. I "solved" it by removing the lens, then reinstalling it - but hold the lens release button down, and rotate the lens a nuber of times (in the camera body) before releasing the button. It appears that the issue is poor electrical contact between the lens and camera body. If there is a poor contact, the camera will not know if thereis a focus and will lock the shutter release. With this poos contact, the camera will only fucntion in manual mode

    Hope that this helps

    Aug 31, 2010 | Nikon D90 Digital Camera with 18-105mm...

    1 Answer

    My canon 100-40mm lens will not release from the camera body. The lens nor the body has ever been dropped. Yesterday afternoon while I was using it along with my canon 70-300mm IS I had no problems...


    Lens is cross linked in the mount.

    You did not say anything about the camera body or the model. Try removing the battery first to see if the auto mount mechanism will release it.

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    Sep 07, 2009 | Canon EF 100-400mm f/4.5-5.6 IS USM Lens

    1 Answer

    AF is not working


    I would start to diagnosis the problem as follows: When the lens functions properly and is on the camera, the lens aperture is forced wide open by a pin on the camera body pushing a lever on the lens that opens the aperture. As part of the sequence when you push the shutter button, the camera releases its pressure on the spring-loaded lever on the lens, allowing the aperture to close to the setting that the "computer" has determined as correct. You will find this lever on the outside of the black ring that surrounds the rear lens element. With the lens removed, find the lever and make sure that with the lens set to the smallest f-stop (largest number such as f22), sliding the lever counter-clockwise against the slight spring tension, the aperture opens wide and returns to f22 when released. If this is not the case, the problem is in the lens. If this works, then the problem is either in your camera body or in the alignment between the body and lens. Also, the electrical connection between the camera body and the lens is via the five little ball like metal contacts (4 together and one wider spaced) found on the black ring on which the aperture ring is located. If either these contacts or the contacts on the camera body are dirty, the automatic functions may fail. DO NOT use any liquid cleaner. Gently rub the contacts with a rubber pencil eraser, being very careful to hold the camera body or lens in a position that will allow any debris to fall downward away from the body or lens. Do not overdo it. If this does not get you on the right track, let me know what you find and we will proceed from there.

    P.S.: Have you made sure you have fresh batteries in the camera?

    Nov 06, 2008 | Cameras

    1 Answer

    Canon 20d - lens stuck / jammed


    HI BRIAN ,,I AM SAGHA CAMERA REPAIRER,I THINK UR PROBLEM OCCURS DUE TO JAMMING OF PLASTIC MOUNT ON THE METAL BODY OF 20D.TRY THIS

    1} LUBRICATE THE JUNCTION WHERE LENS GET ATTACHED TO THE BODY WITH KEROSENE THEN TRY TO RELEASE THE LENS.REMOVE THE BATTERY FROM CAMERA ,TRY AND HEAT UP THE JUNCTION WITH HAIR DRYER A LITTLEBIT THEN TRY TO RELEASE THE LENS.

    2}IF THIS THING ALSO DOESN'T WORK THEN YOU HAVE TO SACRIFICE THE LENS PLASTIC MOUNT PUT SOME SHARP KNIFE LIKE OBJECT IN THE JUNCTION OF LENS & CAMERA & THEN PUSH IT UPWARDS WHICH WILL BREAK ONE OF THE PLASTIC LENS MOUNT COLLOR AND LENS WILL COME OUT WITHOUT DAMAGING YOUR CAMERA .LATER YOU CAN GET REPLACED THE LENS MOUNT FROM SERVICE PERSON. BUT NOW ATLEAST YOU CAN USE CAMERA WITH OTHER LENSES.

    Sep 29, 2008 | Canon EOS-20D Digital Camera

    1 Answer

    50mm C lens issue


    From your description, Yes. All RB67 lenses have common problems, usually sticky blades. Since there are 2 sets of blades, (shutter and aperture), the shutter blades may be contaminated with oil/debris

    Apr 19, 2008 | Mamiya RB67 Pro SD Medium Format Camera

    1 Answer

    IstD shutter release problem


    I've had similar problems with my Pentax Super-A on an intermittent basis. If you haven't replaced the batteries I suggest you try that first. Not sure why, but that has sorted my problem out quite a few times (even when the existing batteries still have a fair amount of juice left in them).

    Sep 08, 2005 | Pentax *ist D Digital Camera

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