Question about Tamron 70-300mm f/4-5.6 Di Zoom Lens for Canon AF Cameras

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Lens will not change range. Something came loose inside

The lens is in perfect shape, I used it for about 6 months and then the zoom would not adjust with the turn of the barrel. I have had no luck finding a repair manual. Anyone know of one or an illistrated parts breakdown. Cheaper to buy a new one that have Tamron fix.

Thanks

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  • Anonymous Jan 07, 2009

    I have the same problem on this lens. Something comes loose inside. I can hear it rattle. I have had no luck in finding a repari manual or an illistrated parts break down and I don't think many people use this site. I posted this problem 6 months ago with no responce.

  • Anonymous Jan 30, 2009

    I have the same problem suddenly it stop working

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Are you trying to turn the barrel of the lens when it is in the Macro Button on ?

Posted on Jan 07, 2009

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I bought Canon EF 75-300mm III Zoom Lens, but the len is very loose, is it problem


Long and short of it...if the photos are close to "decent", dont worry bout it :) It aint no L Lens but can still throw out a good pic every now n then. Tip it from one end to the other whilst holding it...if you hear something go \'ring-a-chicka-chink-chink-clunk\', then youve got problems, otherwise grin and bear the looseness - mine lasted 6 years of hard yacker before i dropped it in the drink!

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My sony handy cam shakes really bad when I zoom...It's not caused by me because it still does it even on a tripod...Is something loose?...any info on how to fix this would be greatly appreciated


Inside your camera there is mechanical movement when you zoom. There is a motor that turns a wheel is connected to a belt with teeth that goes to your lens. this moves the lens in and out. If a screw on this assembly is loose then anything of that sort can happen. You to have the lens assembly opened professionally then check if the belt and motor are still running properly and if the assembly is not loose. You can tighten the screws or if something is cracked you can use superglue to join it together. Using it like that will make the situation worse and it might stop working.

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1 Answer

What is 55-200mm?


That's the focal range of a zoom lens. Unlike a single focal-length lens (or a "prime" lens) a zoom lens lets you adjust the focal range. "55-200mm" specifies the lens's focal range from 55mm at the low end to 200mm at the long end.

You can read a general description of zoom lenses at
http://en.wikipedia.org/wiki/Zoom_lens

Nikon current has two different 55-200mm lenses:
http://www.nikonusa.com/Nikon-Products/Product/Camera-Lenses/
2156/AF-S-DX-Zoom-NIKKOR-55-200mm-f%252F4-5.6G-ED.html
and
http://www.nikonusa.com/Nikon-Products/Product/Camera-Lenses/
2156/AF-S-DX-Zoom-NIKKOR-55-200mm-f%252F4-5.6G-ED.html

If you're asking about the L110, it has a permanently-affixed lens and will not use either of the above lenses.

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1 Answer

I have a Nikon 18-70 DX kit lens as well and it cannot focus either. It will quickly hunts from infinity to close range while making screaching sound. I found that if I point the focus point at a lamp,...


HI I AM SAGHA FROM MUMBAI I AM A REPAIRER AND I THINK UR PROBLEM IS NOT SOLVABLE BY YOURSELF YOU HAVE TO TAKE THE LENS TO EXPERT THERE YOU HAVE TO GET THE AF SENSOR CHANGED.THIS WILL SOLVE YOUR PROBLEM DON'T TRY ANY MORE ADJUSTMENTS WITH CAMERA IT MAY CONFUSE YOU MORE.

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There is a small black tube like piece that has come loose inside my lense and I need instructions on how to disassemble. It has something to do with the zoom I think?? Nikkor 18-55 ED


The small black tube piece is a sliding light baffle which has come loose. Zoom lenses are very complicated to disassemble, and you have to have both the knowledge, experience, and the right tools to disassemble a zoom lens.

The tube should never have come loose in the first place, so I would classify this as a product defect. Contact Nikon, fully describe the problem, and insist that they repair the lens at no charge (although you will have to pay to ship the lens to their repair center).

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Fotos are white


Try the video. Is it ok?
Adjust the zoom so the internal lens is up close to the outside lens. Now, look into the lens at an angle so you can see into the lens without reflection. With the flash "off" so as not to blind you take a picture and watch the shutter close over the lens. Did it cover the lens? If not then something is obstructing it or there is an electrical failure with the electro magnetic switch operating the shutter.

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Quantaray 28-200mm Aspherical IF


If I read this right, your lens is a 28 to 200mm zoom lens with aperture of f:3.5 - f:5.6. What this means is that at 28mm it has a maximum aperture of f:3.5. When you zoom out to 200mm, the maximum aperture is now f:5.6. This is perfectly normal for a zoom lens of this type.

Typical situation in Shutter preferred mode. I have the shutter set at 1/125 of a second and the f:stop is f:3.5. When I zoom out to 200mm, the shutter speed is still 1/125 of a second, but the f:stop is now f:5.6 and I have decreased exposure (darkened the picture) by almost 2 full f: stops.

Realizing this, I think that "turning off the camera" really isn't a fix. The problem is realizing that the aperture will change as the focal length of the lens changes (as you ZOOM in or out on your subject). Try the aperture preferred mode and you should note that the shutter speed will change as you zoom in and out.

Most important, pay attention to shutter and f:stop info in your viewfinder. FYI : Zoom lenses that hold aperture at all ranges cost several thousand dollars, and canon makes them - they weigh a ton.

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1 Answer

Lens won't turn/ something's dangling


Do not try to fix it. Return under warranty- this should not have happened.

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Portable DVD player Scratches the disc


one of the most common problems with a cd or dvd player when it sctatchs the disc is thats ikts been abused. The turntable or lens is out of alighnment and scratching the disc.

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