Archived posting to the Leica Users Group, 2020/10/08
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Yes Lluis, the extender is the original Leica-R extender, not the APO. On 10/8/20 5:51 PM, Lluis Ripoll via LUG wrote: > I agree, the second image is sharper, but is the Extender 2X the Leica > one? I think remember that Leica has made a second 2x Extender APO?. > Lluis > > >> El 8 oct 2020, a les 20:10, Jim Nichols <jhnichols at lighttube.net> va >> escriure: >> >> I've been using the Leica-R 60 macro lens for a few days and began >> wondering which gave the best results, adding the dedicated extension >> tube or the tube plus the Leica-R 2X Extender. So, I did a kitchen >> counter experiment. Using kitchen lights and a shiny dime, I first >> combined the dedicated extension tube with the 2X extender and mounted >> the assembly on an old Star-D tripod. I adjusted the height so that the >> image of the dime filled the height of the frame, and took several >> exposures. Here is the resulting image: >> >> http://www.gallery.leica-users.org/v/OldNick/20201008-DSCF2180.JPG.html >> >> I then removed the 2X Extender and mounted the lens and extension tube as >> it was intended to be used. I took several images of the dime, which now >> filled about half the height of the frame, and cropped the resulting >> image to match the first one: >> >> http://www.gallery.leica-users.org/v/OldNick/20201008-DSCF2192.JPG.html >> >> It is my opinion that the lens/tube combination is sharper without the 2X >> Extender, even with enlargement. I am ignoring differences in lighting >> with this setup. >> >> -- >> Jim Nichols >> Tullahoma, TN USA >> >> >> _______________________________________________ >> 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 > -- Jim Nichols Tullahoma, TN USA