Question about Canon 75-300mm f/4-5.6 III USM EF Lens

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How to use camera lense? - Canon 75-300mm f/4-5.6 III USM EF Lens

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My A4000 IS has lens error that is the lens cover could no longer cover the lens if it off

Posted on Nov 26, 2012

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What kind of lenses should I buy for my new Pentax Kr? People tell me to buy new digital lenses. What is the real scoop on lenses for this camera?


Newer lenses tend to be sharper and lighter than older lenses, and with better optical characteristics. Some digital-only lenses are also designed for the smaller sensors of some digital cameras, allowing for further reductions in size and weight. In general, lenses designed for film cameras will work with digital cameras.

If you already have Pentax-mount lenses, by all means continuing using them if you're satisfied with the results.

Jul 20, 2012 | Ricoh Cameras

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What DSLR to use with Tamron AF 28-200 and 200-400 lenses


Hi, all the Sony Alpha dslr's will work on these lenses, try to get a newer model, most of these older lenses are as good if not better than the new kit lenses that come with cameras now

Jun 20, 2012 | Tamron Cameras

1 Answer

My camera lense won't go in. Everytime I switch it


Your batteries are too low.
When you switch on the camera, the lense go in. Then lense comes out fully. Then, if the batteries are low, lense goes in and camera turns off.
But if the batteries are too low, camera turns off before the lense retracts or even before the lense comes out fully.

Aug 27, 2011 | Sony Cameras

1 Answer

I own a sony cybershot dsc w35 when i switch on the screen displays "turn the power off and on again" help?


Hi. I had exactly the same problem with my Sony Cyber-Shot DSC-W7. The problem started after while lense was fully open, the battery became 100% empty. I did not have access to new batteries and did not have my charger with me so I put the camera on my car seat and went home. After charging the batteries, I turned the camera Off and the lense retracted 100%. Later on I tried to transfer some pictures to my PC. After connecting the camera to my PC with the dial in the P position and lense fully open I turned the dial to play in order to transfer photos. After transferring the pictures, I turned the camera off and disconnected from the computer.

I turn the camera on to take new pictures next day, The lense would go up, and and turn with lense fully open. It would never close. The screen was black with a message "Turn the camera on and off again". I tried 30 times or more and the same thing would happen again.

Here is what I did to fix my camera and it has been working normally since then.

1- I cleaned around the outside of the lense with lent free cloth

2- I used dust OFF to get raid of the remaining small dust particles from around the lense.

3- While turning the camera off, I pushed (down, up and turn) the lense in (NOT TOO Hard) by my hand. If you push the lense too hard, you may damage the mechanicall moving parts of the lense.

4- After a few tries, the lense retracted 90% +. I then pushed the lense a little harder all the way in, the way it normall retracts. The lense cover also closed 100%.

5- I turned the Camera on and off a few times. It was opening and closing exactly the way it used to. My Cybershot has been working okay since then.

I read a lot and here is what cause my lense to malfunction.

While lense was fully open and battery died, some small particles got on the lense and prevented lense from fully opening or closing.

In summery: two things could have caused your camera lense to malfunction.

1- if you had dropped your camera hard, some mechanical parts may have got damaged or dislocated. In this case you have to open the lense and replace the damaged part, clean and put it back on the camera. This is too risky for most ordinary people. You would most likely make it WORST.

2- If you did not drop it, most likly, some how some small dust particles got on the outside of the lense and they prevent the lense or the lense cover from fully opening and closing. If this is your case, please follow exactly what I did and your camera would be back to normal.

GOOD LUCK!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Jun 25, 2009 | Sony Cameras

2 Answers

Turn the power off and on again


Hi. I had exactly the same problem with my Sony Cyber-Shot DSC-W7. The problem started after while lense was fully open, the battery became 100% empty. I did not have access to new batteries and did not have my charger with me so I put the camera on my car seat and went home. After charging the batteries, I turned the camera Off and the lense retracted 100%. Later on I tried to transfer some pictures to my PC. After connecting the camera to my PC with the dial in the P position and lense fully open I turned the dial to play in order to transfer photos. After transferring the pictures, I turned the camera off and disconnected from the computer.

I turn the camera on to take new pictures next day, The lense would go up, and and turn with lense fully open. It would never close. The screen was black with a message "Turn the camera on and off again". I tried 30 times or more and the same thing would happen again.

Here is what I did to fix my camera and it has been working normally since then.

1- I cleaned around the outside of the lense with lent free cloth

2- I used dust OFF to get raid of the remaining small dust particles from around the lense.

3- While turning the camera off, I pushed (down, up and turn) the lense in (NOT TOO Hard) by my hand. If you push the lense too hard, you may damage the mechanicall moving parts of the lense.

4- After a few tries, the lense retracted 90% +. I then pushed the lense a little harder all the way in, the way it normall retracts. The lense cover also closed 100%.

5- I turned the Camera on and off a few times. It was opening and closing exactly the way it used to. My Cybershot has been working okay since then.

I read a lot and here is what cause my lense to malfunction.

While lense was fully open and battery died, some small particles got on the lense and prevented lense from fully opening or closing.

In summery: two things could have caused your camera lense to malfunction.

1- if you had dropped your camera hard, some mechanical parts may have got damaged or dislocated. In this case you have to open the lense and replace the damaged part, clean and put it back on the camera. This is too risky for most ordinary people. You would most likely make it WORST.

2- If you did not drop it, most likly, some how some small dust particles got on the outside of the lense and they prevent the lense or the lense cover from fully opening and closing. If this is your case, please follow exactly what I did and your camera would be back to normal.

GOOD LUCK!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Jun 25, 2009 | Sony Cyber-shot DSC-W80 Digital Camera

1 Answer

Lens keep extended in an out


Hi. I had exactly the same problem with my Sony Cyber-Shot DSC-W7. The problem started after while lense was fully open, the battery became 100% empty. I did not have access to new batteries and did not have my charger with me so I put the camera on my car seat and went home. After charging the batteries, I turned the camera Off and the lense retracted 100%. Later on I tried to transfer some pictures to my PC. After connecting the camera to my PC with the dial in the P position and lense fully open I turned the dial to play in order to transfer photos. After transferring the pictures, I turned the camera off and disconnected from the computer.

I turn the camera on to take new pictures next day, The lense would go up, and and turn with lense fully open. It would never close. The screen was black with a message "Turn the camera on and off again". I tried 30 times or more and the same thing would happen again.

Here is what I did to fix my camera and it has been working normally since then.

1- I cleaned around the outside of the lense with lent free cloth

2- I used dust OFF to get raid of the remaining small dust particles from around the lense.

3- While turning the camera off, I pushed (down, up and turn) the lense in (NOT TOO Hard) by my hand. If you push the lense too hard, you may damage the mechanicall moving parts of the lense.

4- After a few tries, the lense retracted 90% +. I then pushed the lense a little harder all the way in, the way it normall retracts. The lense cover also closed 100%.

5- I turned the Camera on and off a few times. It was opening and closing exactly the way it used to. My Cybershot has been working okay since then.

I read a lot and here is what cause my lense to malfunction.

While lense was fully open and battery died, some small particles got on the lense and prevented lense from fully opening or closing.

In summery: two things could have caused your camera lense to malfunction.

1- if you had dropped your camera hard, some mechanical parts may have got damaged or dislocated. In this case you have to open the lense and replace the damaged part, clean and put it back on the camera. This is too risky for most ordinary people. You would most likely make it WORST.

2- If you did not drop it, most likly, some how some small dust particles got on the outside of the lense and they prevent the lense or the lense cover from fully opening and closing. If this is your case, please follow exactly what I did and your camera would be back to normal.

GOOD LUCK!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Jun 25, 2009 | Sony Cyber-Shot DSC-S500 Digital Camera

1 Answer

When I turn on my DSC W55 the lens does not open all the way. Is better to fix it or buy a new camera?


It usually cost more to repair digital cameras than investing in a brand new one. Before you decide to trash your camera and buy a new one try this.

Some dirt somhow gets on the outside of the lense and they would prevent the lense from opening or closing 100% as it normally does.

Clean around the lense and turn your camera off and on a few times. If the lense opened out 100%, you should be able to take pictures as you usually did. If NOT

turn on the camera and help the lense to open up by pulling the lense out NOT too hard. If the lense goes up and down you follow the lense motion (up and down and turn). If the lense opened up 100%, then turn the camera on and off a few times, it may work now.

If you have dropped the camera, some mechanical part of the lense mechanism is broken or disslocated. In that case, the lense has to be opend from the camera, inspect for broken parts or loose parts, and clean it up. If you put it back on the camera, it may work. Remember opening the lense is the absolute last thing you want to do. Most likely, you would make it worse than, before opening it.

If you decided to buy a new one and trash this camera, please send the camera to me. I will pay to you ONLY your shipping cost. I would try to fix it and learn more about the problem your lense have. I would be able to help the next person with the same problem better. my email address pourmp@yahoo.com.

GOOD LUCK !!!!!!!!!!!

Jun 15, 2009 | Sony Cyber-shot DSC-W55 Digital Camera

1 Answer

Olympus om-2 cvamera lenses


You are able to use your old OM lenses with a new Olympus digital SLR camera. You will need to purchase an MF-OM 1 lens adapter to be able to connect these lenses to the digital SLR camera. Also when using these lenses you will only be able to use the camera in manual focus mode as these lenses are not capable to shhot with an auto focus mode.

Apr 06, 2009 | Olympus FE-330 Digital Camera

2 Answers

What canon digital camera will use my old Canon AE1 fd lenses?


You can buy an adapter to use FD mount lenses on EOS mount cameras. See this page for more details.

Jan 11, 2009 | Canon Cameras

1 Answer

Compatible lenses


All Canon EOS cameras (including the film Rebels and the digital Rebels) can use the same EF lenses.

There are some Canon lenses named EF-S that will only work with recent models of Canon digital SLR cameras, but EF lenses will work with all Canon digital SLRs.

May 18, 2008 | Canon Cameras

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