Acknowledgments

Thanks to the members of photo.net, pentaxforums.com, and forum.digitalfotonetz.de for suggestions, corrections, and clarifications. And extra thanks to all the people who continue to contact me with updated information.

Thanks also to the technical and customer support representatives from Pentax, Metz, Promaster, Sigma, Cactus, and Icorp. Metz and Promaster in particular answered a large number of questions in a short time.

creditsforummetzpentaxpromastersigma
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