On 2016-03-16 7:11 , Mark C wrote:
I tested the 16-45 f4 zoom and found vignetting starting at around 20 mm. I was assessing where it could serve as an untra wide angle zoom on a film body in a pinch - It could but you would have to be very careful.
interesting — did you happen to compare different apertures? -- 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.
