Question about Pentax ZX-M with 28-80 lens 35mm Film Camera

2 Answers

Pentax mz-7 If I want to buy a zoom or macro lens, do I need a K type fitting?

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2 Answers

The "K" mount defines the basic mechanical bayonet mount. However, the K-mount has no electrical contacts that allow the lens to communicate exposure information back to the camera body. Nor does it have the drive mechanism for autofocus.

A K-mount lens will fit on the MZ-7, and it will work in manual and aperture priority modes if you focus manually. Shutter priority, program mode and auto focus will not function.

In the mid 1980's, "KA" lenses added the electrical contacts that allow the lens to communicate exposure info to the camera body. A KA-mount lense will fit on the MZ-7, and it will permit all exposure modes to function. However, autofocus will not function.

"KAF" lenses added the autofocus drive mechanism. A KAF-mount lens is correct for the MZ-7 and allows all the exposure modes and autofocus to work.

If you find an old K or KA mount lens that you like, you can buy it with confidence that it will fit the newer camera. And it will take pictures, function within it's limitations rather than supporting the camera's greater capabilities. It's just that some of the newer camera's functions that may not work with the old lens.

Good luck,
Tim

Posted on Oct 28, 2008

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Yes the mz-7 Definitly uses a K mount.

Posted on Sep 10, 2008

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But that means you have nothing to lose by trying!

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E: "E" often indicates a film jam. This code can appear when the film is inserted incorrectly, when the batteries are changed in the middle of a roll of film, if you are using defective film, etc. If "E" appears in your camera's information display, try to rewind your film manually (see your user's guide for instructions on how to activate your mid-roll rewind function), and try a different roll. If this problem keeps occurring, you might need to send the camera to us for repair.
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Hello

The problem is that the lens has become stuck in the barrel. There are some DIY solutions you could try, but the probability is that you will have to get it fixed by a professional.

Use these at own risk as it may further damage the camera.

Firstly , try connecting your ac adapter or usb cable.

Try holding the shutter button while switching on the camera.

Look at the lens , and if some of the lens 'circles' is misaligned or not concentric then try wiggling it (while holding camera lens down).

Try gently pushing or pulling the lens when it extends but this is risky as it may cause the lens barrel to slip out of its guidance system.

Another way to do this is to place the camera lens down on a hard surface and then power it up. Be sure to use a soft cloth or something similar as to not scratch your lens or casing. Let the lens push the camera up and down a few times and sometimes the little resistance provided by the camera is enough to get things going again.

Try hitting your camera near the lens on the body with the soft tissue on the palm of your hand.

Other than that , I would take the camera to a repair center for a evaluation to see if it would cost more to repair than to replace the camera.

If it is still under warranty I would suggest you take it in before trying any of these steps and remove any off-brand batteries or accessories as some stores are really fussy about warranty repairs on camera's with non-brand accessories.

You can also have a look at THIS link.

Hope the advise is useful. please do not hesitate to let me know if you need any further assistance. Also, please be so kind to let me know if you found this helpful.

Regards
Andrea

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