I noticed the AF160FC ringflash has a filter thread inside the ring which sparked an idea. Searched in my garbage drawers and found some step down rings to attach the Raynox 250:
http://www.repiuk.nl/images/raynox-ringflash.jpg Mounted the contraption on the F100 macro and searched for the smallest bugs in my backyard: http://www.repiuk.nl/images/ssp/permalink.html#id=album-126&num=content-3726 http://www.repiuk.nl/images/ssp/permalink.html#id=album-126&num=content-3725 The body of this fly or whatever is about 1-2 mm. Measured the fly in photoshop with and without the raynox and it's an extra 1.6x. Does this setup qualify as a microscope? Toine -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.