Archived posting to the Leica Users Group, 2012/09/21
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Thanks for posting the very interesting samples. I noticed similar harshness in out of focus backgrounds with a Nikon 70-300 VRII lens. I had not considered VR as the possible culprit and thought it might be artifacts of the camera's built in image processing. On Fri, Sep 21, 2012 at 1:07 PM, Jayanand Govindaraj <jayanand at gmail.com> wrote: > It does not happen all the time but quite often you get a sort of double > image of the stuff in the bokeh when VR is on - see these examples, all > with the first generation Nikon 70-200mm f2.8 and TC 1.7x, pretty much wide > open at f5: > > http://gallery.leica-users.org/v/jayanand/Ranthambhore_001/March+2009/Ranthambore_20090309_795.jpg.html > > http://gallery.leica-users.org/v/jayanand/Ranthambhore_001/March+2009/Ranthambore_20090305_556.jpg.html > > This is a very similar background with VR off, same lens combo, also at f5: > > http://gallery.leica-users.org/v/jayanand/Ranthambhore_001/March+2009/Ranthambore_20090309_177b.jpg.html > > Here is an article about Nikon's implementation of VR by Thom Hogan that is > very interesting: > > http://www.bythom.com/nikon-vr.htm > > The upshot is that nowadays I do not switch on VR unless I absolutely > require it. I try to get by on shutter speed, and only if I cannot, I rely > on VR. With the low light performance of Nikon's sensors at present relying > on shutter speed alone is entirely possible. > > Cheers > Jayanand > > > > On Fri, Sep 21, 2012 at 7:28 PM, <afirkin at afirkin.com> wrote: > >> > It always helps, I agree. I just jack up the shutter speed for my >> > preferred >> > aperture if I am in doubt, and let the ISO fall where it may. The one >> > problem I have noticed with VR is that bokeh gets affected quite often >> for >> > the worse. >> > Cheers >> > Jayanand >> >> The bokeh: that is an interesting notion. I will sleep on it, but I can't >> see why holding the image stable will affect the out of focus rendition. I >> will keep an eye out for this though. >> >> The oly of course is smaller sensor: ie will always have greater DOF and >> perhaps this could affect things. Smaller sensors are easier to >> 'stabilize' in the body of the camera, but Sony has done it. NOt sure how >> well. >> >> Cheers and thanks for the comment >> >> Alastair >> >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information >> > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information -- Tomas Szoboszlai 1 Eklof Court Croton-on-Hudson, NY 10520 Tel: 914-271-8118 Cell: 914-552-0657 e-mail: Szoboszlai at gmail.com ******************************************************************************************** CONFIDENTIALITY NOTE: This message may contain information that is privileged, confidential, inside information and/or exempt from disclosure under applicable law. If you are not an intended recipient and have received it in error, please notify me immediately by reply e-mail and, after you have done so, delete this message and destroy all copies. Delivery of this message to any person other than an intended recipient is not intended to waive any privilege or confidentiality.