Not the ones that are mentioned in the article. However there are many 'frankenoptions'. I've bought a Rodenstock 100mm f/1.6 X-ray optic and adapted it to K-mount. I know there are similar optics in the 50-60mm range sporting f/0.9 or thereabouts.
Fun fad for macros like this: https://flic.kr/p/ru6qr3 Josrein Den 8. juni 2015 23.47.58 CEST, skrev "Daniel J. Matyola" <[email protected]>: >Has anyone tried one of them? >http://www.outdoorphotographer.com/gear/lenses/solutions-really-low-light.html#.VXYNF89VhHw > >Dan Matyola >http://www.pentaxphotogallery.com/danieljmatyola -- Sent from my Android device with K-9 Mail. Please excuse my brevity. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
