[Leica] IMG: Macro Experiment with Leica-R 60 Elmarit Macro Lens

[Jim Nichols]

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