The Two New Pentax Lenses - a question

Started Jun 1, 2009 | Discussions thread
JohnCPentax Contributing Member • Posts: 534
Re: I am not a lens designer

Optically, these lenses are identical to the previous versions. The smaller filter diameter only applies to the 50-200mm lens. Even though the filter diameter is smaller, the front lens element is the same size as the original 50-200mm.
John C.

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