They are both excellent images. I have to say, though, I like the results of
the 90/2 better. The bokeh is so smoooooooth.
Tom
> Here are two images taken with a 90mm f2 macro and a 80mm f4 macro -
> the later auto version.
>
> http://homepage.mac.com/cnocbui/PhotoAlbum1.html
>
> Some droplets evaporated between shots and the lighting changed a bit
> due to cloud movement. Each lens was set to f5.6 and for a 1:2
> reproduction ratio, or as near as I could manage.
>
> The top image was taken with the 90/2. To the right are magnified
> sections of the right hand portion of the original images for the
> resolution conscious.
>
> The images were scanned from negs using a Polaroid SS4000
>
> I think one can clearly see that there is a difference in the bokeh
> of each image - the 90/2 macro has a 9 blade diaphragm while the 80/4
> has 6 blades.
>
> Giles
>
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