[AussieTrev]

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Ebay have a FA 100mm f2.8 macro listed, but it states some minor scratches on the rear lens element. How big a problem would this be? I know it is less of a problem on a front element.

Pentax FA 100mm f2.8 Macro lens | eBay

[brofkand]

It says internal scratches on the internal elements. Either they're talking about fungus or dust. I have no idea how scratches could appear on the internal elements unless the lens was dismantled by an unqualified technician or dropped during production and still sold.

In any event, I seriously doubt those scratches will have any noticeable effect on your photographs. Look at this blog post: LensRentals.com - Front Element Scratches . Just goes to show how much damage it takes to cause any effect at all.

[bhairavp]

You can probably message tom1803, he posts here at PF under the same username.