Bought a faulty Pentax-DA 11-18?

Started 3 months ago | Questions thread
OP GoodD New Member • Posts: 7
Re: Bought a faulty Pentax-DA 11-18?

doceyes wrote:

take the lens off the camera, turn the lens over and slide the aperture lever back and forth, make sure it moves smoothly and the diaphragm opens and closes properly. Look at a light source at the same time to make it easier to observe. Start with the lens set at 11 mm and then try it in between, then at 18mm. If it is not opening and closing quickly then something is stuck or bent.

Had a lens with a similar problem and the lever was stuck at one end of the focal length.

I played with the aperture lever as you suggested and it seems it works fine.

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