Question about Nikon Telephoto 500mm f/8.0N Reflex Manual Focus Lens

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Frozen zoom lens

I have an 18-200mm zoom lens on y Maxxum 7D that has "frozen" or locked up, i.e., I can't move the zoom from the 18mm position. I've switched it to my Sony Alpha with same results. It just appears to be frozen & unmoveable from the 18mm position. Any suggestions as to what is wrong & how to fix it?

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Re: Frozen zoom lens

Sounds like there is a misalignment internally. This will probably need to be repaired at a shop.

Posted on Nov 03, 2007

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Zooming from 18mm to 55m causes lens to darken (pictures taken are the same). This happens in both M and AF.

This is because the aperture varies with the focal length. Note the "f/3.5-5.6" in the lens designation? This means that the maximum aperture is f/3.5 at 18mm and f/5.6 at 55mm. If you set the aperture first and then zoom, the aperture could change by as much as one-and-a-third stops.
To prevent this, zoom first and then meter the exposure.

Aug 13, 2013 | Nikon Nikkor 18-55mm f/3.5-5.6G ED AF-S DX...

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Cant use f/3.5

You will only be able to use the f3.5 aperture setting when the lens is zoomed out to the 18mm setting. As you zoom in, the maximum aperture available will decrease until you reach the 55mm setting where the maximum aperture will be f5.6.

Check to see if you can obtain f3.5 with the lens zoomed fully out. If not, it sounds as if the aperture blades could be sticking, in which case it will need to be professionally repaired.

Hope this helps!

Jun 12, 2009 | Canon EF-S 18-55mm f/3.5-5.6 USN Lens

2 Answers

Minolta SLR Lens on Sony - Does it work.

As I understand it, Sony bought Minolta, lock, stock, and barrel. Theoretically the lenses should fit and may work on manual, but I'm very sure they will not totally work on sony digital cameras. I wouldn't even try to fit them as the autofocus system on the camera may be damaged.

Mar 22, 2009 | Tokina AF 100-300mm f/4.0 II APO Telephoto...

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Camera will not recognize the lens

Hi, I have a Minolta 7D. I bought an M42 screw lens adapter, an almost flat plate, however the camera kept saying "no lens detected". Then somewher on the web I found a solution: On the menue screen I found "Shutter Lock" with the choice On or Off. By switching to off I can now use 42mm lenses. Though there is no AF and the metering works with setting the aperture manually. Good luck and maybe you find the Sony to be the same.
Roy Smith

Jan 26, 2009 | Kenko Teleplus MC-4 DG for Konica-Minolta...

1 Answer

Instuctions for opteka 650-1300 lens for use on konica minolta

Try turning off the shutter lock.. In my Dynax 7D manual it tells you to turn off shutter lock when attaching to a telescope or microscope this is what this lens basicly is .The shutter lock is turned on and off in section three of the custon menu on my Dynax ,check your manual for your camera to find out where to turn on and off shutter lock, hope this helps

Jan 18, 2009 | Canon Opteka 650-1300mm F8/16 Super...

1 Answer

Looking for Digital Camera to use lens

Your Minolta QTsi Maxxum takes a Konika Minolta AF lens. These lenses work on these Konika Minolta DSLR cameras:
DYNAX 5D / Maxxum 5D
DYNAX 7D / Maxxum 7D

Dec 16, 2008 | Quantaray AF 70-300mm f/4.0-5.6 High Speed...

1 Answer

Zoom lens is "locked"

Is there a little lock switch on the lens?? My Nikon lens all have a tiny little lock and if it accidentally gets pushed into lock position it will not zoom. Barry Brown

Aug 18, 2008 | Quantaray Tech-10 70-300mm f/4.0-5.6 Lens...

3 Answers

QUANTARAY FOR MINOLTA AF 70-300MM compatibility

Usually mounts are unique to a camera manufacturer. There are exceptions. Sony has the Alpha; lenses for the Konica-Minolta are the same mount. Your AF (autofocus) lens will work on it. You might also consider picking up a Konica Minolta 5D or 7D.....they're no longer made and hence are cheaply had.

The MD and Rokkor lenses won't work on the Sony Alpha.

Jan 19, 2008 | Quantaray 50mm f/2.8 AF Tech-10 for Canon...

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