Check out this page for some safety notes when using welding filters: http://www.transitofvenus.org/faq/354-can-i-use-welding-glass-to-view-the-sun
I'm going to take my telescope to work, and try some solar photography (with a Baader solar film filter for the telescope) this week, for a bit of practice. Cheers Mike On May 29, 2012, at 10:02 PM, Steve Sharpe wrote: > At 11:32 AM -0700 5/29/12, John Celio wrote: >> I want to try photographing the transit of Venus across the sun on >> June 5th, but I've never tried shooting the sun before. Any of you >> guys have tips you can share? Is there a special filter I should use, >> or would a polarizer or ND filter be sufficient? I'm planning on using >> my K 500mm f4.5, so I'll probably need to special order a large enough >> filter, and I'll need to do that soon. > > > Try taping a piece of welder's glass over the front of the lens. However, > 500mm may not be enough to see much. > > I've got a home made solar filter that I made decades ago out of a mylar > emergency blanket folded several times over. It goes on the front of my > Celestron 5 telescope. The C5 has a 1250mm focal length so I get a nice, big > image of the Sun. > > However, I'm expecting to be clouded out...again. It's that time of year, > here in Nova Scotia. > > -- > > Steve Sharpe > [email protected] > • > > http://earth.delith.com/photo_gallery.html > > > -- > 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.
