John wrote: >On 7/11/2017 21:54, Mark Roberts wrote: >> I expect there will be more than a few of us attempting to photograph >> the eclipse next month. I've just started a little research into it >> and I'm closing in on a decision as to what filter to use. My longest >> lens is my FA*300/2.8 and it's happily configured with an in-lens 43mm >> filter capability. Here's what I've found that looks most promising: >> https://www.optcorp.com/spectrum-threaded-camera-solar-filter-43mm.html >> >> Anyone have any experience or other recommendations? > >I've talked to several people who photographed previous eclipses and was >told not to use the internal filters because the lens will concentrate >enough light to melt them & besides messing up the filter it can damage >the lens & the sensor. One of my sources stated he had found out the >hard way.
Funny, I've read just the opposite of success using a DIY filter inserted between a teleconverter and the lens it's attached to. I'll have to do some more digging. -- Mark Roberts - Photography & Multimedia www.robertstech.com -- 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.
