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Problem focusing my Oly 300mm and 100-400mm

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JulesGo
JulesGo Contributing Member • Posts: 531
Problem focusing my Oly 300mm and 100-400mm

When the focus distance is set to 1.4m to Infinity, my 300mm has difficulty focusing / or cannot focus to longer distances than than about 15m.  The 100-400mm does the same

I have this problem with a EM-1 Mk III and a OM-1.  AF Limiter is off.

Can anybody help me fix this ?

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Jules Gobeil
Nature photographer - Photographe de la nature
https://www.flickr.com/photos/julesgobeil/

 JulesGo's gear list:JulesGo's gear list
Olympus E-M1 Olympus E-M1 II Olympus E-M1 III Panasonic Lumix G Vario 100-300mm F4-5.6 OIS Olympus 12-40mm F2.8 Pro +3 more
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