AG:
So, if a 2X converter simply magnifies the image at the original focal
length, it's having the same effect (cropping) as a OMZ lens mounted on
a 4/3 sensor. If I understand correctly, adding a 2X to, say a 50mm,
gives the same FOV as a 100mm.
Must admit that I always thought that a converter "multiplied" the
original focal length.
Martin
AG Schnozz wrote:
>> another option for a light, ersatz 100mm: use
>> a 2X converter on a standard 50mm. An F1.8 gives 100/3.5, an F1.4
>> gives 100/2.8.
>
> Kinda sorta and it depends.
>
> A 2X teleconverter essentially doubles whatever the image is coming
> into it. It doesn't turn a 50mm into a 100, but what it does do is
> essentially give an enlarged 50mm image. Therefore, whatever imaging
> characteristics the 50mm gives you (bokeh), it is just doubled.
>
>
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