Archived posting to the Leica Users Group, 1999/05/15
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]This is a multi-part message in MIME format. - ------=_NextPart_000_001A_01BE9EBB.B83C8700 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I think, that using Tom Abrahamssohn's soft release it is possible to = lower the shutter speed avoiding the camera shake in case of Leica M = cameras. I have shot many pictures with 50 mm lens and shutter speed as = low as 1/8 s handheld without signs of camera shake. Chris ----- Original Message -----=20 From: Gareth Jolly=20 To: leica-users@mejac.palo-alto.ca.us=20 Sent: 15 maja 1999 09:02 Subject: Re: [Leica] Sharpness and handholding (was leica report = 70-180) Erwin Puts said of the 70-180 zoom: >... this lens is difficult to hold handheld and to maximise its = potential a tripod is a must.=20 >I shot hundreds of pictures at a range of shutterspeeds from 1/60 = to 1/8000. Statistically it is not >possible to get fine imagery below = 1/250 (big chance factor is involved when shooting that slow). At >1/250 = to 1/500 the chances of a good quality picture are higher but it is not = secure. Above 1/1000 and >certainly at speeds of 1/2000 and 1/4000 the = true image potential can be enjoyed. And then it is simply >stunning. This reminds me of a question I've always been meaning to ask. Most of my shots with my M6 are handheld. When I can, I apply the = rule of 1/ the focal length of the lens to get a minimum shutter speed = for handholding (so the minimum speed for a 50mm lens is 1/60s). If = possible, I shoot one shutter speed faster (so for a 50mm lens 1/125 = second). =20 Of course, this is designed to eliminate as far as possible the = subtle effects of camera shake. Presumably this only works up to a = particular print size, though. =20 Logic says there will be some camera shake even at 1/1000 second. = Perhaps though, the camera shake is so slight that it is not recordable = on the film. Or, if it is, it will only be visible with very large = enlargements. =20 Theoretically I suppose you should try and use the fastest possible = shutter speed in every situation (subject to depth of field = requirements, of course). But the law of diminishing returns must = apply. Somewhere along the line the increased shutter speed simply = mustn't matter much or at all. Can anyone comment on all this? Is there a value, for example, in = shooting using a 50mm lens at 1/250 second minimum? At want point in = using faster shutter speeds does the law of diminishing returns mean = that any camera shake will be so subtle as to be imperceptible? =20 Thanks Gareth Jolly =20 Sydney, Australia http://www.users.bigpond.com/garethjolly/ =20 - ------=_NextPart_000_001A_01BE9EBB.B83C8700 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META content=3Dtext/html;charset=3Diso-8859-1 = http-equiv=3DContent-Type><?fontfamily><?param Times> <META content=3D"MSHTML 5.00.2014.210" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=3D#ffffff> <DIV><FONT size=3D2>I think, that using Tom Abrahamssohn's soft release = it is=20 possible to lower the shutter speed avoiding the camera shake in case of = Leica M=20 cameras. I have shot many pictures with 50 mm lens and shutter = speed as low=20 as 1/8 s handheld without signs of camera shake.</FONT></DIV> <DIV> </DIV> <DIV><FONT size=3D2>Chris</FONT></DIV> <BLOCKQUOTE=20 style=3D"BORDER-LEFT: #000000 2px solid; MARGIN-LEFT: 5px; MARGIN-RIGHT: = 0px; PADDING-LEFT: 5px; PADDING-RIGHT: 0px"> <DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV> <DIV=20 style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: = black"><B>From:</B>=20 <A href=3D"mailto:garethjolly@bigpond.com" = title=3Dgarethjolly@bigpond.com>Gareth=20 Jolly</A> </DIV> <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A=20 href=3D"mailto:leica-users@mejac.palo-alto.ca.us"=20 = title=3Dleica-users@mejac.palo-alto.ca.us>leica-users@mejac.palo-alto.ca.= us</A>=20 </DIV> <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> 15 maja 1999 09:02</DIV> <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> Re: [Leica] Sharpness = and=20 handholding (was leica report 70-180)</DIV> <DIV><BR></DIV> <BLOCKQUOTE=20 style=3D"BORDER-LEFT: #000000 2px solid; MARGIN-LEFT: 5px; = PADDING-LEFT: 5px"> <DIV><FONT face=3DArial size=3D2>Erwin Puts said of the 70-180=20 zoom:</FONT></DIV> <DIV> </DIV> <DIV>>... this lens is difficult to hold handheld and to maximise = its=20 potential a tripod is a must. <BR>>I shot hundreds of pictures at = a range=20 of shutterspeeds from 1/60 to 1/8000. Statistically it is not = >possible=20 to get fine imagery below 1/250 (big chance factor is involved when = shooting=20 that slow). At >1/250 to 1/500 the chances of a good quality = picture are=20 higher but it is not secure. Above 1/1000 and >certainly at = speeds of=20 1/2000 and 1/4000 the true image potential can be enjoyed. And then = it is=20 simply >stunning.</DIV> <DIV> </DIV> <DIV><FONT color=3D#000000 size=3D2>This reminds me of a question = I've always=20 been meaning to ask.</FONT></DIV> <DIV> </DIV> <DIV><FONT color=3D#000000 size=3D2>Most of my shots with my M6 are=20 handheld. When I can, I apply the rule of 1/ the focal length = of the=20 lens to get a minimum shutter speed for handholding (so the minimum = speed=20 for a 50mm lens is 1/60s). If possible, I shoot one shutter = speed=20 faster (so for a 50mm lens 1/125 second).</FONT></DIV> <DIV><FONT color=3D#000000 size=3D2></FONT> </DIV> <DIV><FONT size=3D2>Of course, this is designed to eliminate as far = as=20 possible the subtle effects of camera shake. Presumably this = only=20 works up to a particular print size, though.</FONT></DIV> <DIV><FONT size=3D2></FONT> </DIV> <DIV><FONT size=3D2>Logic says there will be some camera shake even = at 1/1000=20 second. Perhaps though, the camera shake is so slight that it = is not=20 recordable on the film. Or, if it is, it will only be visible = with=20 very large enlargements.</FONT></DIV> <DIV><FONT size=3D2></FONT> </DIV> <DIV><FONT color=3D#000000 size=3D2>Theoretically I suppose you = should try and=20 use the fastest possible shutter speed in every situation (subject = to depth=20 of field requirements, of course). But the law of diminishing = returns=20 must apply. Somewhere along the line the increased shutter = speed=20 simply mustn't matter much or at all.</FONT></DIV> <DIV> </DIV> <DIV><FONT size=3D2>Can anyone comment on all this? Is there a = value,=20 for example, in shooting using a 50mm lens at 1/250 second = minimum? At=20 want point in using faster shutter speeds does the law of = diminishing=20 returns mean that any camera shake will be so subtle as to be=20 imperceptible?</FONT></DIV> <DIV><FONT size=3D2></FONT> </DIV> <DIV><FONT size=3D2>Thanks</FONT></DIV> <DIV><FONT size=3D2>Gareth Jolly</FONT></DIV> <DIV><FONT size=3D2></FONT> </DIV> <DIV><FONT size=3D2></FONT><FONT color=3D#000000 size=3D2>Sydney,=20 Australia</FONT></DIV> <DIV><FONT size=3D2><A=20 = href=3D"http://www.users.bigpond.com/garethjolly/">http://www.users.bigpo= nd.com/garethjolly/</A></FONT></DIV> <DIV><FONT = size=3D2></FONT> </DIV></BLOCKQUOTE></BLOCKQUOTE></BODY></HTML> - ------=_NextPart_000_001A_01BE9EBB.B83C8700--