I've heard that in a pinch, welding masks work great for watching solar eclipses and sunspots.
On Thu, Apr 27, 2017 at 1:59 AM, Richard Klein <[email protected]> wrote: > I wonder how similar the filters are to the glass used in welding masks? > Optical clarity probably isn't as important for welding masks. > > On Apr 19, 2017 4:13 PM, "John Sessoms" <[email protected]> wrote: > >> Update on my preparations (if anyone is interested). >> >> Stopped by my local Pentax dealer here in Raleigh. >> >> I got a Manfrotto 700RC2 fluid head that will take my existing mounting >> plates for my 3021 legs. >> >> He ordered an Astrozap AZ-1514 Glass full aperture Solar Filter to fit >> over the lens hood of my 300mm f/2.8 (124-130mm). >> >> https://www.astrozap.com/scripts/prodView.asp?idproduct=61 >> >> I hope to be able to start practicing safely shooting the sun by next >> week to see how much of the frame I'll fill & whether or not I'm going >> to need to use the 1.4x tele-converter. I want to have enough of the >> frame filled to get some detail on the sun, but loose enough to get the >> corona & solar prominences un-cropped. >> >> I'd like to have that lens on the K-1 because of the articulated screen, >> but I'll switch it to the K-3 if I find out I need the 1.5 crop factor. >> >> -- >> 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. >> > -- > 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. -- -- Photography takes an instant out of time, altering life by holding it still. Dorothea Lange -- 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.
