Jonathan, such helpful information, but I can’t remember a thing about the moon landing, not as old as you….I’ve also been know to tell a fib…
John > On Jul 20, 2017, at 6:01 PM, Jonathan Fletcher <li...@fletcherdata.com> wrote: > > Harry, > > Looking through an OPTICAL viewfinder of a digital camera is dangerous. > Looking at a DIGITAL viewfinder is not. There is no way that an LED pixel can > reproduce a fraction of the brightness of the sun. You’re safe there, but be > careful if you are looking through OPTICS at the sun. > > Modern Image sensors can handle way more light than the infamous TV camera > they burnt out on the moon when the astronauts pointed it accidentally at the > sun. (Anyone remember that? First TV pictures from the moon and they blow up > their camera!) > > It’s best to just use an app on the iPhone, but on other digital cameras you > can turn down the ISO to a really low number to cut back the sensitivity of > the sensor. I would turn it as low as it can go. Even then it might behoove > you to add a neutral density filter in front of the lens just in case. Any > camera store would have one to fit your camera. Even taping a small one over > the lens of your iPhone might be a good idea as well. > > Here’s a nice PDF on the subject on NASA’s site, that also mentions an > add-one telephoto lens, which is also a great idea. > https://eclipse2017.nasa.gov/sites/default/files/Photographing%20the%20Eclipse%20with%20your%20Smartphone.pdf > > To get the best quality you don’t want to have to use the DIGITAL zoom on the > iPhone, or any camera for that matter. A telephoto add-on would greatly > increase the quality of the shots. For that matter, you should probably just > get a telephoto for your camera if one is available, because you’re likely to > use it more than an awkward and wobbly attachment to your phone. A 200mm > (35mm equivalent) would be about right. Ask at your local camera store. > > Oh, and a tripod. Gotta have a tripod. > > > Jonathan > > > >> On Jul 20, 2017, at 5:34 PM, Harry Jacobson-Beyer <harr...@me.com> wrote: >> >> can I use a digital camera or my iPhone camera to take photos of the eclipse >> without damaging the camera/iPhone? >> >> I have eclipse viewing glasses and know not to look at the sun through the >> camera without wearing the glasses. >> >> Thanks. > > > > -- > Jonathan Fletcher > jonat...@fletcherdata.com > > Kentuckiana FileMaker Developers Group > Next Meeting: 7/25/17 > > > _______________________________________________ > MacGroup mailing list > Posting address: MacGroup@erdos.math.louisville.edu > Archive: <http://www.mail-archive.com/macgroup@erdos.math.louisville.edu/> > Answers to questions: <http://erdos.math.louisville.edu/macgroup/> _______________________________________________ MacGroup mailing list Posting address: MacGroup@erdos.math.louisville.edu Archive: <http://www.mail-archive.com/macgroup@erdos.math.louisville.edu/> Answers to questions: <http://erdos.math.louisville.edu/macgroup/>
