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100-300 vs. 50-200+1.4TC: surprised!

Started Jun 1, 2014 | Discussions thread
luisflorit
OP luisflorit Veteran Member • Posts: 8,514
Re: Thanks Luis

Brian Wadie wrote:

thanks for this thread Luis, I've been prompted to check the focus adjustment of my "new to me" 50-200 + EC-14 and found that the reason I was losing detail with this combination at distance (compared to the bare lens) was that it need +12 focus adjustment dialled in.

Its is now very similar in sharpness and detail to the bare lens at both long (around 800m) and short range at all focal lengths up to 283mm

(its something I checked and adjusted almost automatically in my canon days but forgot that with the 4/3rds lenses using PDAF, it may also be necessary with the EM-1)

Glad that helped!

Cheers,

L.

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