I am in the midst of my second-ever bad ebay experience. Based upon some of
the recommendations here, I purchased a F70-210 lens and just got it
yesterday. It took some looking but I can see a bit of haze on what appears
to be the outside of the second piece of glass from the front of the lens.
First is having it cleaned possible? How about feasible? Finally, where in
the heck would I take it for such service? None of the camera shops around
here do such work and only one would send it out to a third party. Any one
have any recommendations or experience with this.
I have checked the glass arrangement of this lens. I strongly believe the front elements can be taken out from the front by unscrewing the big retaining rings from the front (typical Pentax design). This job is fast & easy with the proper tool, it should not be expensive. And if anyone attempted to work from the rear of the lens, he's inexperience. What concerns me is whether the 2nd & 3rd elements were glued together, and are you certain the hazy is on the 2nd element, not the 3rd? And is the hazy on the front of the 2nd element (even easier to clean), or the back? If the hazy was not sandwiched between the 2nd & 3rd elements, cleaning them is easy. However, I have found many, and I mean many, Pentax lenses have "factory" cleaning marks which look like hazy when shined with a torch, and they don't come off. I would suggest you if the hazy is not "strong", try to live with it. If it is serious enough, say appear milky white under normal lighting condition, have it cleaned or checked.
Alan Chan http://www.pbase.com/wlachan
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