20 Most Recent Canon EF 70-300mm f/4-5.6 IS USM Lens Questions & Answers

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Autofocus problem with 70-300mm is usm

Probably needs a new ribbon cable in the lens. This flexible cable maintains the contact as the lens is zoomed in and out. If it is still under warranty take it back to B&H for a simple repair.
10/2/2022 5:19:06 PM • Canon EF... • Answered on Oct 02, 2022
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1 Solution for

It may be damaged from the drop so take it for a repair to you nearest camera repairer. Check out the cost before as it may not be worth repairing and a replacement would be in order
9/24/2019 7:59:52 PM • Canon EF... • Answered on Sep 24, 2019
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Autofocus problem with 70-300mm is usm

Replace the broken ribbon cable in the lens
9/2/2016 10:36:57 PM • Canon EF... • Answered on Sep 02, 2016
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Sigma 70 300

Be the first to answer 5/3/2014 3:59:08 AM • Canon EF... • Posted on May 03, 2014Be the first to answer
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Hi I have a Canon

Be the first to answer 1/1/2011 12:49:04 AM • Canon EF... • Posted on Jan 01, 2011Be the first to answer
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WILL THE ABOVE LENSE WORK WITH A CANNON DIGITAL

Yes, it's suitable for 35mm EOS mount Canons and all digital models. If the digital SLR has an APS-C sensor then the image will be cropped and will give the same viewing angles as a 112-480mm on a 35mm camera.
10/3/2010 4:48:13 PM • Canon EF... • Answered on Oct 03, 2010
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My canon mv940 digital camcorder isnt charging

If your Canon MV940 digital camcorder is not charging, it could be caused by a few different issues:
  1. Check the battery: Make sure the battery is not damaged or worn out. If it has been unused for a few years, it may no longer hold a charge and need to be replaced.
  2. Check the charging port: Make sure the charging port is clean and free of debris. If it is dirty or damaged, it may not be able to charge the battery.
  3. Check the charger: Make sure the charger is working and not damaged. If it is not working, it may need to be replaced.
  4. Check the charging cable: Make sure the charging cable is not damaged or frayed. If it is, it may need to be replaced.
  5. Check the battery compartment: Make sure the battery compartment is clean and free of debris. If it is dirty or damaged, it may not be able to charge the battery.
  6. If none of the above steps work, it is possible that the camcorder has a more serious problem that requires professional service.
It is important to refer to the user manual or contact Canon technical support for further assistance and specific troubleshooting steps for your camcorder model. It is also important to make sure the camcorder is not plugged in before attempting any troubleshooting steps. Due to the age of the device, it might be hard to find a replacement battery for it and you might need to look for an alternative solution such as a third party battery replacement or an external power bank.
1/17/2023 7:09:28 PM • Canon Cameras • Answered on Jan 17, 2023
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Canon powershot sd 750 not turning on after few years of no use

Simplest answer is to replace the battery. If it hasn't been used or charged for so long the battery will be considered 'Old' so it will not hold charge. I think the higher quality brand name batteries for it are usually a reasonable price and not expensive.
1/8/2023 9:14:50 AM • Canon Cameras • Answered on Jan 08, 2023
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How do I improve the focus on a Canon S2 IS camera?

Hi, Please ensure that you clean the lens of your camera. Then, if you'd like the camera to be as it was when it was first provided to you, you can attempt a factory reset on it. If you're still not satisfied with the focus, then you can next move to add an external lens attachment in order to improve the camera's focus. Thank you.
12/28/2022 3:10:23 AM • Canon Cameras • Answered on Dec 28, 2022
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My Canon Powershot A2200 giving white screen and closing automatically?

Question edited for clarity. It sounds like the battery is flat or not holding a charge. Remove it and test the voltage with a multimeter. It should be 3.6 volts. https://www.google.com/search?q=canon+powershot+a2200+battery ..
12/25/2022 9:53:01 PM • Canon Cameras • Answered on Dec 25, 2022
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Lens stuck on canon ixy digital 930 is

Hi, please switch modes on your camera and check if the lens goes back in. If not, please use the zoom option to out and check if the lens begins to retract back into it's default position. Otherwise, you can restart the camera 2 or 3 times in a row to attempt to overcome the issue. Thank you.
11/29/2022 10:25:31 PM • Canon Cameras • Answered on Nov 29, 2022
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I have a Canon ISUS 177 Camera - help please with symbols

Hi, The symbol with the moon/stars should relate to taking night-time pictures. The lightening symbol stands for flash (ie light shown when photo is taken). The delay should be due to the flash taking time to charge up prior to the photo. Thank you.
11/22/2022 4:59:23 PM • Canon Cameras • Answered on Nov 22, 2022
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Canon 760d no power DC Powerboard troubleshooting

One video that might help, but this is a $500 camera, so take it in for service. It needs to be serviced in a clean dust free lab by men in white coats and cotton gloves. https://www.google.com/search?q=Canon+760d+no+power ...
11/19/2022 4:39:37 PM • Canon Cameras • Answered on Nov 19, 2022
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Cannon film camera broken

There is an internal battery that you cannot change. When it goes out, the camera fails. There are several places online that you can send it to for repair
10/26/2022 1:45:02 PM • Canon Cameras • Answered on Oct 26, 2022
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