Archived posting to the Leica Users Group, 2003/04/06
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Joe; I certainly endorse your "vodka" tripod approach. That is a new one on me but it sounds much more convenient than carrying around a metal or carbon/carbon tripod. Don R. - ----- Original Message ----- From: "Joseph Codispoti" <joecodi@clearsightusa.com> To: <leica-users@mejac.palo-alto.ca.us> Sent: Sunday, April 06, 2003 5:17 PM Subject: Re: [Leica] hand-held exposure rule > Some photographers may be able to hand hold at shutter speeds lower than > other people. > There are many variables involved: > > Focal length of the lens (the longer, the higher the speed should be). > Heart rate of the photographer. > Steadiness of hand (very calm people can shoot at lower speeds). > Healthy inner-ear (controls balance). > Wind conditions. > > My minimum shutter speeds is 1/250 sec. Below that, the results are less > that stellar. > A slug of vodka (or similar elixir) seems to improve conditions somewhat. > But a tripod is far better. Whenever possible I use one. > > I new a flamboyant Los Angeles photographer who claimed he could hand hold a > camera at 1 (one) sec. shutter speed. I challenged him to prove it to me and > I lost. It seems that he did "hand hold" the camera while it was resting on > a solid support such as a rock, ledge, or against a wall. > > Speaking of camera supports, I am not able to use a monopod. It seems that > when I close one eye and aim with the other, I lose my balance. Maybe one > "slug" is not enough. > > Joe > > > > > From: "Oliver Bryk" <oliverbryk@attbi.com> > To: "Users Group Leica" <leica-users@mejac.palo-alto.ca.us> > Sent: Sunday, April 06, 2003 1:47 PM > Subject: [Leica] hand-held exposure rule > > > > > Some years ago I tested that rule of thumb with my M6, using the latest > > models 90mm Elmarit and the 50mm Summicron. For the test I selected a wire > > mesh fence, topped with barbed wire, that surrounds a nearby electric > > substation (I wouldn't do this today) because I could not find a textbook > > white picket fence. I photographed a segment of fence and barbed wire from > a > > distance of 10 meters, first with the M6 on a tripod an then hand-held. > For > > each series I made one exposure on Delta 100 at each shutter speed from > > 1/1000 sec to 1/15 sec. I wrote each shutter speed on a sign that I hung > on > > the fence so that I would be included in the image. > > I had the film developed by a custom lab and viewed the frames, projected > > onto an easel, with the lab's grain analyzer. I found visible differences > in > > sharpness between the images from hand-held and tripod-mounted exposures > at > > all shutter speeds slower than 1/250 sec. I did not repeat the experiment > at > > smaller magnifications. Your mileage may vary. > > Oliver Bryk > > > > > > -- > > To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html > > > > > > > -- > To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html > - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html