Question about Casio Exilim EX-Z750 Digital Camera

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Out of focus - "shortsighted"

First camera - slammed it in a car door, kept it for parts. Bought another one, because I liked it. Dropped it with the lens open, then all images were very out of focus. Decided to try to fix it using the old parts. Changed the lens assembly - just a matter of careful disassembly and reassembly, little screws and tiny ribbon cables which you unlock, pull out, put back, lock. Got a camera that was much better - usable, but still somewhat "shortsighted". When focusing over about 2 meters away, images came out with a slight blur, small enough to be invisible unless zoomed in. Investigated to see if I could recalibrate the firmware - no easy fix. So I thought about it. A shortsighted person has an elongated eye - retina too far back. I tried tightening the 3 screws on the sensor at the back of the lens assembly - no. So I put a piece of paper, folded to about 1.5mm thick, in between the lens assembly and the LCD. Much better - now I can take up to 3 MP photos without noticing the blurry focus. 7 megapixels is still blurry beyond 2 meters. (I also thought about glasses, but that would have looked really silly.) ... just sharing my experience. The problem is 90% solved as far as I'm concerned, the camera is still very useful for video where the resolution doesn't matter so much, and short range shots of documents, the two things I used it for mainly anyway. But if you have some advice, I'd love to hear it.

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You seem to be on the right trach I would have thugh- just packing out the lens ass until it is the right focal length Is the focal length mentioned on the mount anyplace? Then you could measure exactly what the rear element distance should be from the CCD

Posted on May 30, 2007


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