Archived posting to the Leica Users Group, 2010/02/11
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Hi Douglas, You need some colour to check for chromatic aberration, ?no? :-) Otherwise, quite good. I am sure it helps that the cars are not moving very fast :-) Cheers, Nathan Nathan Wajsman Alicante, Spain http://www.frozenlight.eu http://www.greatpix.eu http://www.nathanfoto.com Books: http://www.blurb.com/bookstore/search?search=wajsman&x=0&y=0 PICTURE OF THE WEEK: http://www.fotocycle.dk/paws Blog: http://www.fotocycle.dk/blog On Feb 11, 2010, at 11:20 PM, Douglas Sharp wrote: > Who needs lens-test cards? :-) > > A shot through my office window today: > > http://gallery.leica-users.org/d/203014-1/_MG_0702.jpg > > Car number plate on the left = edge sharpness > A brick wall in the background = centre sharpness, contrast > Twigs and branches = chromatic aberration, fringing, sharpness and contrast > Snow = white balance > Shield on lamp-post = right-edge sharpness > Cyclist?s face = flesh tones > The whole shot = depth of focus (I focused on the plate of the VW Golf in > the middle) > > I think this Soligor 35-80 zoom might be a keeper, it seems to work well > enough at f5.6 and 80 mm, light and compact too :-) > > A similar test with a Tokina 35-105 proved that the lens barks :-( > > Technical data: shot with a Canon 20D, 1/320, ISO equivalent 800 through a > slightly grubby windowpane > > All I need now is some sun to try it out again in decent weather at ISO > 100. > BTW: winter,snow and dull weather have now been with us here in Hannover > since the 18th of December - and I'm gradually getting sick of it. > > Cheers > Douglas > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information