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M50 / Tokina 11-20mm f2.8 / Viltrox speed booster

Started Jul 16, 2020 | Discussions thread
Sittatunga Veteran Member • Posts: 5,406
Re: M50 / Tokina 11-20mm f2.8 / Viltrox speed booster

mcsk wrote:

gavin_fs wrote:

Hey so I also have an M50 with the viltrox speed booster but for some reason I have black edging. Are you zoomed in or how do you get rid of that?

11-20 is a crop lens, isn't it? So vignetting is probably unavoidable, at least on the wide end. Unless you need the extra light or want that look, it might be better to just use it with a plain adapter.

There was noticeable vignetting in all the sample photos, but it was used a a feature.   The long end of a zoom always has more coverage than the short end, so,  with a 1.8x zoom and an 0.7x focal reducer, you might end up with a bigger angle of view compared with a plain adapter at some setting, particularly if you crop to 16:9 or longer.  It all depends on how the individual focal reducer plays with the particular lens.  I still have no use for a focal reducer on EOS M though, as I've got full-frame cameras anyway.

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