Originally Posted by
Wally
Too bad I didn't understand what you meant when you replied "86 x 1". I assume now you were telling me 86mm with a 1mm thread pitch.
Well, B&H sales took me to what sounded like Jakarta. The first fellow I spoke with thought the catalog listing of two adapters of the same diameter was a mistake. I asked to speak to his supervisor. His supervisor assured me that it was a thickness thing, and since I was attaching this to a wide-angle lens, I wanted the thin one, so I should order the .75mm.
I couldn't see how a difference in thickness of just a quarter of a millimeter could be the difference between these two adapters, so I called Adorama, where someone that sounded quite confident said it was indeed a thread pitch, and he thought I needed the .75mm pitch.
Well, the 86mm Cokin X-PRO adapter with the .75mm thread pitch arrived, and surprise! It's the wrong one. Apparently my Heliopan 67/86mm center filter uses the 1mm-per-thread pitch, and now I wait for Adorama to answer my email requests for an RMA number and shipping tag.
I should have asked where you people shop and not relied on google to lead me to the photography store choices of the masses.
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