Canon Community

rambo007 · ‎05-08-2023

So I recently bought this lens second hand and I noticed a problem with the focus where it only focuses to a certain distance. Both for auto and manual focus. I use this with a Canon M6 MKII and I use the viltrox adapter for it. My 50mm f/1.8 II focus works perfectly with the adapter.
Hoping to get some suggestions on how to fix it. Or if this is a common thing. Thanks in advance!

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Tronhard · ‎05-08-2023

Hi and welcome to the forum:

Given that your lens is second-hand, are you sure it functioned fully when you purchased it?

cheers, TREVOR

The mark of good photographer is less what they hold in their hand, it's more what they hold in their head;
"All the variety, all the charm, all the beauty of life is made up of light and shadow", Leo Tolstoy;
"Skill in photography is acquired by practice and not by purchase" Percy W. Harris

deebatman316 · ‎05-08-2023

This lens is focus by wire. That's why manual focus isn't working correctly either. If the adapter isn't functioning correctly it can cause problems too. Test the lens out on a EF-S Mount camera to see if it works correctly.

-Demetrius
Bodies: EOS 40D (Retired) & EOS 5D Mark IV (Current)
Lenses: EF Trinity, EF 50mm F/1.8 STM, EF 70-210mm F/4 (Brought out of Retirement) & EF 85mm F/1.8 USM
Speedlites: 420EX, 470EX-AI, 550EX & 600EX II-RT

asvsxac · ‎06-05-2024

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Canon EF-S 18-135mm STM Focus Issue