Metabones speedbooster: is there any reason to get full frame now?

Started Jan 16, 2013 | Discussions thread
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brian Senior Member • Posts: 1,136
Re: An example of a catch: bokeh clipping with 85mm f/1.2

Erik Magnuson wrote:

The tests at the top suggest that the adapter optics are not quite large enough to handle the 85mm f/1.2 at f/1.2 w/o some cutoff. Lens compatibility will vary.

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Hi Erik:

You have to bear in mind that the 85/1.2 + SB is a 60mm f/0.90 lens.  Even slower lenses, such as the Leica f/1 Noctilux, have a similar bokeh pattern:

In this case, the clipping is more pronounced in the Leica 50/1, although of course it is covering a wider field.

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J. Brian Caldwell

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