sigma 135-400mm f4.5-5.6 apo dg, any good?

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M_digicapt Senior Member • Posts: 1,988
sigma 135-400mm f4.5-5.6 apo dg, any good?

I came across this lens in 4/3 mount, is it any good?

Will it focus on m43 cameras? Will it manual focus on a Sony e mount?

Are there any other older options with  similar reach that are not very well known?

Thanks

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