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XF100-400 + 1.4tc versus 150-600mm

Started 9 months ago | Discussions thread
OP Mark Levine Regular Member • Posts: 112
Re: stay put

I didn't benchmark the lens + tc combo so it's just my feelings using it. Also, this is a skill so success should increase over time but my impression, when I added the tc into the mix, was substantially decreased success catching focus. The tracking was not different but I still cannot find a distant bird in the sky at 400mm with the 1.4 tc. When I zoom out to 100mm, the combination works okay.

 Mark Levine's gear list:Mark Levine's gear list
Sony a6300 Fujifilm X-S10 Fujifilm XF 100-400mm F4.5-5.6 OIS WR Sigma 30mm F1.4 (E/EF-M mounts) Fujifilm XF 16-80mm F4
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